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Assessing 'fun foods': nutritional content and anal... [Obes Rev. 2008] - PubMed - NCBI

Assessing 'fun foods': nutritional content and anal... [Obes Rev. 2008] - PubMed - NCBI | All About Food | Scoop.it

Obes Rev. 2008 Jul;9(4):368-77. Epub 2007 Oct 24.
Assessing 'fun foods': nutritional content and analysis of supermarket foods targeted at children.
Elliott C.


Source
School of Journalism and Communication, Carleton University, Ottawa, ON, Canada. charlene_elliott@carleton.ca


Abstract
This article provides a nutritional profile of foods targeted specifically at children in the Canadian supermarket. Excluding confectionery, soft drinks and bakery items, 367 products were assessed for their nutritional composition. The article examines the relationship between 'fun food' images/messages, product claims and actual product nutrition. Among other findings, it concludes that approximately 89% of the products analysed could be classified as of poor nutritional quality owing to high levels of sugar, fat and/or sodium. Policy considerations need to be made in light of the fact that 'fun food' is a unique category that poses special challenges; as such, recommendations regarding food labelling and packaging are presented.


PMID: 17961131 [PubMed - indexed for MEDLINE]

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El Supermercado de la Ciencia

El Supermercado de la Ciencia | All About Food | Scoop.it

Bienvenidos a este blog dedicado a Ciencia y Tecnología de los Alimentos.

Bienvenidos a este blog dedicado a Ciencia y Tecnología de los Alimentos.
Se les ha pedido a los alumnos que busquen constituyentes alimentarios con potencial saludable, que averigüen qué efecto/s saludable/s poseen potencialmente, y lo más importante, que busquen el posible mecanismo de acción de dicho constituyente a nivel bioquímico y molecular que permita desencadenar el efecto saludable. Todo ello, lógicamente, avalado por estudios científicos que ellos han buscado.
Por último, se les ha pedido que desarrollen sus aptitudes imaginativas e innovadoras y, dejando aparte tecnológica, creen un producto con el constituyente “saludable” incorporado, que complemente al alimento, que lo dirijan a un tipo de consumidor y que lo hagan llamativo para dicho consumidor, a través de un “reclamo publicitario” o una imagen atrayente.

OJO, SE JUEGAN PARTE DE LA NOTA!
¿Qué se pide a los lectores?, a vosotros os pedimos que votéis una de las cinco presentaciones. Por favor, animaros y votad vuestro favorito, y además se os invita a que hagáis comentarios, críticas (constructivas); son estudiantes y pueden aprender, pero son universitarios y también pueden aportar. ¿Te animas a participar?

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Obtienen tomates de calidad sin fecundación - Noticias de la Ciencia y la Tecnología

Obtienen tomates de calidad sin fecundación - Noticias de la Ciencia y la Tecnología | All About Food | Scoop.it

Fuente de la noticia: Amazings® / NCYT® | (Noticiasdelaciencia.com / Amazings.com).


Sábado, 11 mayo 2013


Un equipo de investigadores liderado por el Consejo Superior de Investigaciones Científicas (CSIC) en España ha logrado obtener tomates sin semillas y con un elevado contenido en carotenoides ­–unos componentes antioxidantes– a partir de ovarios no fecundados. El trabajo ha sido publicado en la revista Plant Biotechnology Journal.

En la mayor parte de las especies de plantas, el paso de flor a fruto no tiene lugar en ausencia de fecundación. Sin embargo, en determinadas condiciones, existe la posibilidad de que ocurra por otro proceso denominado partenocarpia.

“Bloqueando mediante ingeniería genética el desarrollo temprano de los estambres, los órganos sexuales masculinos de las plantas angiospermas, hemos generado plantas de tomate con esterilidad masculina. Los ovarios de estas plantas se desarrollan sin necesidad de fecundación, lo que da lugar a frutos sin semillas o partenocárpicos”, explica Concha Gómez‐Mena, investigadora del CSIC en el Instituto de Biología Molecular y Celular de Plantas (mixto del CSIC y la Universidad Politécnica de Valencia).

El trabajo, que ha contado con la colaboración del Centro de Investigación en Agrigenómica, podría tener aplicaciones en el sector agronómico, ya que permite un mejor control de las cosechas. También podría resultar de interés para la industria del procesado del tomate, que se beneficiaría de los frutos sin semillas.


“Hemos conseguido crear plantas transgénicas estériles de tomate a partir de la variedad comercial conocida como Moneymaker. Tras realizar análisis metabólicos de los frutos partenocárpicos obtenidos, hemos observado una mejora de las propiedades nutricionales del tomate y un aumento en caretonoides como el licopeno, que tiene propiedades antioxidantes”, destaca el investigador del CSIC José Pío Beltrán.

Hasta ahora, el desarrollo de frutos partenocárpicos se había alcanzado mediante el empleo de reguladores del crecimiento de la planta. Sin embargo, según los investigadores, estos tratamientos exógenos conducen generalmente a malformaciones y a frutos de baja calidad.

sonia ramos's insight:

Este avance implica la obtenciónd e tomates con mejores propiedades nutricionales, aumento de carotenoides con propiedades antioxidantes, mediante la convergencia de ciencias como la agricultura y la ingeniería genética.

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Fraude lácteo: el 80% de las marcas extranjeras de fórmula infantil en China son falsas

Fraude lácteo: el 80% de las marcas extranjeras de fórmula infantil en China son falsas | All About Food | Scoop.it
La preocupación por la calidad y seguridad de los productos preparados para lactantes nacionales chinos han llevado a los compradores ...

Via Carolina Aragón
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La OMS pide una investigación «urgente» sobre los efectos en la salud de los disruptores endocrinos

La OMS pide una investigación «urgente» sobre los efectos en la salud de los disruptores endocrinos | All About Food | Scoop.it
Estas sustancias químicas, que se pueden encontrar en pesticidas, electrónica, productos de cuidado personal y cosméticos, pueden alterar el sistema hormonal
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Las 10 revoluciones tecnológicas de 2013

Las 10 revoluciones tecnológicas de 2013 | All About Food | Scoop.it

El Consejo de la Agenda Global sobre Tecnologías Emergentes del Foro Económico Mundial ha identificado las 10 tecnologías que, en 2013, prometen dar pasos decisivos para lograr avances inconcebibles hace apenas una década en campos como la medicina, la producción energética, la industria manufacturera, la seguridad vial, la lucha contra el cambio climático.... Por VICTOR BARREIRA

18 FEB 2013 - 21:49 CET

 

Fuente

http://tecnologia.elpais.com/tecnologia/2013/02/18/actualidad/1361218651_738532.html

 

sonia ramos's insight:

Nutrición mejorada a nivel molecular
Incluso en los países desarrollados millones de personas sufren malnutrición debido a deficiencias nutritivas en sus dietas. Ahora, nuevas técnicas genómicas pueden determinar, al nivel de la secuencia génica, el amplio número de proteínas consumidas que son importantes en la dieta humana. Las proteínas identificadas pueden tener ventajas sobre los suplementos proteicos estándar, como proveer un gran porcentaje de aminoácidos esenciales. También han mejorado la solubilidad, el sabor y la textura. La producción a gran escala de proteínas dietéticas para humanos, basada en la aplicación de biotecnología a la nutrición molecular, puede alumbrar beneficios para la salud como el desarrollo muscular, el control de la diabetes o la reducción de la obesidad.

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Farmer’s use of genetically modified soybeans grows into Supreme Court case - Washington Post (2013)

Farmer’s use of genetically modified soybeans grows into Supreme Court case - Washington Post (2013) | All About Food | Scoop.it

Bowman’s unorthodox soybean farming techniques have landed him at the center of a national battle over genetically modified crops. His legal battle, now at the Supreme Court, raises questions about whether the right to patent living things extends to their progeny, and how companies that engage in cutting-edge research can recoup their investments.

 

What Bowman did was to take commodity grain from the local elevator, which is usually used for feed, and plant it. But that grain was mostly progeny of Monsanto’s Roundup Ready beans because that’s what most Indiana soybean farmers grow. Those soybeans are genetically modified to survive the weedkiller Roundup, and Monsanto claims that Bowman’s planting violated the company’s restrictions.

 

Those supporting Bowman hope the court uses the case, which is scheduled for oral arguments later this month, to hit the reset button on corporate domination of agribusiness and what they call Monsanto’s “legal assault” on farmers who don’t toe the line. Monsanto’s supporters say advances in health and environmental research are endangered.

 

And the case raises questions about the traditional role of farmers. For instance: When a farmer grows Monsanto’s genetically modified soybean seeds, has he simply “used” the seed to create a crop to sell, or has he “made” untold replicas of Monsanto’s invention that remain subject to the company’s restrictions? ...

 

Farmers who buy seeds with the Roundup Ready trait sign an agreement that says they may be used for one planting only. Even though the gene exists in the new beans they grow, farmers cannot save them for a second planting, nor sell them to others for that purpose. But they are allowed to sell the beans to giant grain elevators, like those that are the most prominent feature on the flat landscape in Bowman’s corner of southern Indiana. 

 

From 1999 to 2007, Bowman purchased Roundup Ready seeds for his first planting of soybeans and abided by Monsanto’s restrictions. But like some farmers, he also plants a second crop later in the growing season; such crops are highly dependent on the weather, which makes them more hit-or-miss.

It is too risky to pay the high price of Monsanto’s Roundup-resistant seeds for the second crop of the season, Bowman said, so instead he purchased cheaper commodity grain from the local elevator, which is usually used for feed. He planted it, and when he sprayed the crop with the herbicide, almost all survived. That wasn’t surprising, because 94 percent of Indiana soybean farmers grow Roundup Ready beans. 

 

Bowman told Monsanto exactly what he was doing, and Monsanto told him to stop. The farmer was in effect “soybean laundering,” according to some of the companies supporting Monsanto at the Supreme Court — selling Roundup Ready progeny beans to the grain elevator and hoping other farmers were too, then buying them back and planting them...


Via Alexander J. Stein
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Norman Warthmann's curator insight, February 14, 2013 5:42 PM

this will be an interesting lawsuit to follow :)

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Una empresa produce 25.000 lechugas que crecen en el agua, sin sustratos

Una empresa produce 25.000 lechugas que crecen en el agua, sin sustratos | All About Food | Scoop.it

La empresa, ubicada en el polígono Mercasantander, dispone de un invernadero equipado para producir unas 25.000 lechugas con un sistema en el que la planta crece directamente sobre el agua, con la solución nutritiva disuelta en ella y en ausencia de cualquier tipo de sustrato.

sonia ramos's insight:

Un ejemplo de aplicación del cultivo hidropónico

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Flavonoids: Their Structure, Biosynthesis and Role in the Rhizosphere, Including Allelopathy

Flavonoids: Their Structure, Biosynthesis and Role in the Rhizosphere, Including Allelopathy | All About Food | Scoop.it

Flavonoids are biologically active low molecular weight secondary metabolites that are produced by plants, with over 10,000 structural variants now reported. Due to their physical and biochemical properties, they interact with many diverse targets in subcellular locations to elicit various activities in microbes, plants, and animals. In plants, flavonoids play important roles in transport of auxin, root and shoot development, pollination, modulation of reactive oxygen species, and signalling of symbiotic bacteria in the legume Rhizobium symbiosis. In addition, they possess antibacterial, antifungal, antiviral, and anticancer activities. In the plant, flavonoids are transported within and between plant tissues and cells, and are specifically released into the rhizosphere by roots where they are involved in plant/plant interactions or allelopathy. Released by root exudation or tissue degradation over time, both aglycones and glycosides of flavonoids are found in soil solutions and root exudates. Although the relative role of flavonoids in allelopathic interference has been less well-characterized than that of some secondary metabolites, we present classic examples of their involvement in autotoxicity and allelopathy. We also describe their activity and fate in the soil rhizosphere in selected examples involving pasture legumes, cereal crops, and ferns. Potential research directions for further elucidation of the specific role of flavonoids in soil rhizosphere interactions are considered.

 

Weston LA, Mathesius U. (2013) J Chem Ecol. Feb 9. [Epub ahead of print]


Via IvanOresnik, Mary Williams, Andres Zurita
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Mary Williams's comment, February 14, 2013 3:00 AM
This issue of Chemical Ecology also has reviews of allelopathy and cereal crops - rice, rye, sorghum http://link.springer.com/journal/10886/onlineFirst/page/1
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¿Son los cloroplastos clave para el control de la maduración en frutales?

¿Son los cloroplastos clave para el control de la maduración en frutales? | All About Food | Scoop.it
Biologists may have unearthed the potential to manipulate the functions of chloroplasts, the parts of plant cells responsible for photosynthesis.

Researchers in the University of Leicester’s Depa...

Via José Manuel Fdez. S.
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José Manuel Fdez. S.'s curator insight, February 10, 2013 9:45 AM

Los cloroplastos son esos componentes de las células vegetales, que desde el GRUPO IÑESTA ayudamos a transferirles las diferentes moléculas que contienen tanto el AMINOLOM MADURACIÓN, como el AMINOLOM OLIBRIX, para provocar naturalmente ese cambio de coloración, no sólo en los plátanos, sino en el resto de los diferentes frutos (tomate, naranja, uva, aceituna...). Y no sólo por color, sino como bien ya imagináis, por el resultado final que busquemos para con nuestro fruto correspondiente: ºBrix, % rendimiento graso, incremento de proteínas, adelanto de color de piel en naranja, ...

 

PERO SIEMPRE RECORDANDO QUE SON PRODUCTOS TOTALMENTE NATURALES, y #sinhormonas #sinresiduos

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Internal Audits Create Opportunity for Food Organizations to Improve Systems, Processes :: Article - Food Quality

Internal Audits Create Opportunity for Food Organizations to Improve Systems, Processes :: Article - Food Quality | All About Food | Scoop.it
The Global Food Safety Initiative states that internal audits are one of the requirements that ldquoadd robustness and rigour to the base requirements of food safety principles and provide added confidence and further verification of processesrdquo...

Via Carolina Aragón
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Los 10 alimentos que llegaron al espacio en 2012

Los 10 alimentos que llegaron al espacio en 2012 | All About Food | Scoop.it
Al parecer 2012 fue un año donde el cielo, las galaxias y el hecho de intentar llegar más allá del mundo conocido ...

Via Carolina Aragón
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OSU aims to spice up rice with thiamine | News & Research Communications | Oregon State University

OSU aims to spice up rice with thiamine | News & Research Communications | Oregon State University | All About Food | Scoop.it

OSU AIMS TO SPICE UP RICE WITH THIAMINE12-13-12

CORVALLIS, Ore. – Oregon State University aims to create rice with higher levels of vitamin B1 to make it more nutritious and at the same time, resistant to two crop-damaging diseases.

If the efforts are successful, it could mean higher yields for rice producers and a reduced use of pesticides.

Research shows vitamin B1, also known as thiamine, can boost the immune system of plants, including rice, cucumbers and tobacco. OSU's researchers are hoping that sustained accumulation of thiamine can make rice immune to bacterial leaf blight and rice blast, which cause significant yield losses in Southeast Asia, the world’s top rice-growing region.

"Literature suggests that if we boost vitamin B1 we may be able to enhance resistance to diseases most harmful to rice," said Aymeric Goyer, a plant biologist with the OSU Extension Service.

At OSU's Hermiston Agricultural Research and Extension Center, Goyer will grow rice that overexpresses genes that synthesize vitamin B1. Within 10 to 12 months, he'll see if the leaves contain higher-than-normal amounts of vitamin B1 and if the plants resist diseases.

Goyer will also see if the rice grain itself contains more thiamine, which is present only in low amounts in white rice. In areas of the world where white rice is the cornerstone of most diets, thiamine deficiencies are common. Thiamine helps create acids for digestion, supports carbohydrate metabolism and is essential for the overall health of the nervous system.

"We have the potential to make more nutritious rice while helping improve yields and find an alternative to pesticides," said Goyer.

The research is funded by Grand Challenges Explorations, an initiative of the Bill & Melinda Gates Foundation. Pamela Ronald from the University of California, Davis is a collaborator with Goyer on the grant.

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sonia ramos's curator insight, December 19, 2012 3:00 PM
OSU AIMS TO SPICE UP RICE WITH THIAMINE12-13-12

CORVALLIS, Ore. – Oregon State University aims to create rice with higher levels of vitamin B1 to make it more nutritious and at the same time, resistant to two crop-damaging diseases.

If the efforts are successful, it could mean higher yields for rice producers and a reduced use of pesticides.

Research shows vitamin B1, also known as thiamine, can boost the immune system of plants, including rice, cucumbers and tobacco. OSU's researchers are hoping that sustained accumulation of thiamine can make rice immune to bacterial leaf blight and rice blast, which cause significant yield losses in Southeast Asia, the world’s top rice-growing region.

"Literature suggests that if we boost vitamin B1 we may be able to enhance resistance to diseases most harmful to rice," said Aymeric Goyer, a plant biologist with the OSU Extension Service.

At OSU's Hermiston Agricultural Research and Extension Center, Goyer will grow rice that overexpresses genes that synthesize vitamin B1. Within 10 to 12 months, he'll see if the leaves contain higher-than-normal amounts of vitamin B1 and if the plants resist diseases.

Goyer will also see if the rice grain itself contains more thiamine, which is present only in low amounts in white rice. In areas of the world where white rice is the cornerstone of most diets, thiamine deficiencies are common. Thiamine helps create acids for digestion, supports carbohydrate metabolism and is essential for the overall health of the nervous system.

"We have the potential to make more nutritious rice while helping improve yields and find an alternative to pesticides," said Goyer.

The research is funded by Grand Challenges Explorations, an initiative of the Bill & Melinda Gates Foundation. Pamela Ronald from the University of California, Davis is a collaborator with Goyer on the grant.

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Guia de Bolsillo Los cultivos modificados genéticamente en la Unión Europea | Transgénicos

Guia de Bolsillo Los cultivos modificados genéticamente en la Unión Europea | Transgénicos | All About Food | Scoop.it

Fundación Antama presenta su guía de bolsillo: ‘Los cultivos MG en la Unión Europea’
Publicado por Alfredo L. Zamora en Noticias el 4 Dic, 2012 | 

 

Coincidiendo con el cumplimiento de los 15 años de siembra continuada de maíz modificado genéticamente en España, la Fundación Antama lanza su guía de bolsillo ‘Los cultivos modificados genéticamente en la Unión Europea’, un completo documento de referencia que pretende dar respuesta a las principales cuestiones que rodean la biotecnología agraria tanto a periodistas como a cualquier persona interesada en la materia.

La guía de bolsillo consta de 67 páginas en las que se ofrecen datos generales de la biotecnología agraria, su papel en la elaboración de alimentos y piensos, la normativa europea en torno a éstos, así como los retos mundiales ante los que esta tecnología juega un papel clave. La guía incluye también una sección en la que se da respuesta a las preguntas más frecuentes sobre estos cultivos y alimentos, tratando de solventar las controversias más comunes en torno a esta tecnología.

 

Noticia completa en la fuente: http://fundacion-antama.org/fundacion-antama-presenta-su-guia-de-bolsillo-%E2%80%98los-cultivos-modificados-geneticamente-en-la-union-europea%E2%80%99/

 

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José Manuel Fdez. S.'s comment, December 7, 2012 12:35 PM
... y nosotros esperando que esta sociedad consumista intente derribar esa enorme barrera contra la alimentación-sana. Pues parece que no es posible, grandes multinacionales mantienen sus posturas en el gran ranking de los cultivos transgénicos, creyendo que es la única solución contra la excesiva demanda de productos alimenticios a nivel mundial, dejando de creer en bio-soluciones o al menos soluciones #sinresiduos. La carrera es larga y dura, no será fácil para nosotros, pero tan sólo nos bastará convencer a los más avispados, no somos tan ambiciosos, nos conformamos con muy poco. SL2 SONIA
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Specials : Nature

Specials : Nature | All About Food | Scoop.it

GM CROPS: PROMISE AND REALITY

The introduction of the first transgenic plant 30 years ago heralded the start of a second green revolution, providing food to the starving, profits to farmers and environmental benefits to boot. Many GM crops fulfilled the promise. But their success has been mired in controversy with many questioning their safety, their profitability and their green credentials. A polarized debate has left little room for consensus. In this special issue, Nature explores the hopes, the fears, the reality and the future.

 

Image credit: Kelly Krause/Nature (photo: Nagy-Bagoly Arpad/Shutterstock)

 

EDITORIALFields of gold

Research on transgenic crops must be done outside industry if it is to fulfil its early promise.

Nature ( 02 May 2013 )

NEWSTransgenic salmon nears approval

Slow US regulatory process highlights hurdles of getting engineered food animals to dinner tables.

Nature ( 02 May 2013 )

NEWS FEATURESGM crops: A story in numbers

Genetically modified crops have gained ground on their conventional counterparts, but the vast majority are grown in five countries, featuring four crops and two principal traits.

Nature ( 02 May 2013 )

Case studies: A hard look at GM crops

Superweeds? Suicides? Stealthy genes? The true, the false and the still unknown about transgenic crops.

Nature ( 02 May 2013 )

Transgenic crops: A new breed

The next wave of genetically modified crops is making its way to market — and might just ease concerns over 'Frankenfoods'.

Nature ( 02 May 2013 )

COMMENTARIESAfrica and Asia need a rational debate on GM crops

Policy-makers in developing countries should not be swayed by the politicized arguments dominant in Europe, say Christopher J.M. Whitty and colleagues.

Nature ( 02 May 2013 )

An experiment for the world

China’s scientists are using a variety of approaches to boost crop yields and limit environmental damage, say Fusuo Zhang, Xinping Chen and Peter Vitousek.

Nature ( 02 May 2013 )

CORRESPONDENCEBiotechnology: Thirty years of transgenic plants

To overcome today’s huge agricultural hurdles we should move to a model that combines the best features of transgenic technology with those of organic and conventional farming.

Nature ( 02 May 2013 )

PERSPECTIVEUsing membrane transporters to improve crops for sustainable food production

This Perspective discusses the emerging advances in plant membrane transporters, which can be used to improve crop yields, nutritional value, and environmental stress resistance.

Nature ( 02 May 2013 )

NATURE PODCASTNature Podcast: GM crops

Case studies reveal if genes really escape from the fields where GM crops are grown, and if their use really leads to a drop in pesticide use.

Nature ( 02 May 2013 )

ARCHIVESeed-patent case in Supreme Court

Loss of patent control could rekindle ‘terminator’ technology.

Nature ( 19 February 2013 )

Food: Inside the hothouses of industry

Feeding the world is going to require the scientific and financial muscle of agricultural biotechnology companies. Natasha Gilbert asks whether they're up to the task.

Nature ( 28 July 2010 )

A new dawn for transgenic crops in Europe?

Approval of the Amflora potato could signal a fresh approach to genetically modified organisms.

Nature ( 09 March 2010 )

GM crops: Battlefield

Papers suggesting that biotech crops might harm the environment attract a hail of abuse from other scientists. Emily Waltz asks if the critics fight fair.

Nature ( 02 September 2009 )

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sonia ramos's curator insight, May 15, 2013 4:32 AM

La revista Nature dedica un especial a los cultivos modificados genéticamente, digno de leer!

sonia ramos's comment, May 23, 2013 11:23 AM
merci pour la lecture de ce Scoop
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Spanish National Research Council to grow transgenic wheat for celiacs - Materia (2013)

Manuel Ansede 09/05/2013 

Científicos del organismo solicitan permiso para cultivar un trigo transgénico apto para celíacos en una parcela de Córdoba. La cosecha, media tonelada de grano, servirá para elaborar galletas y llevar a cabo un ensayo clínico con pacientes. Los investigadores creen que el cereal podría llegar al mercado en cinco años.

 

 

Scientists of the agency are seeking permission to cultivate a GM wheat suitable for coeliacs on a plot of Córdoba. The harvest, half a ton of grain serve to develop and carry out a clinical trial with patients. Researchers believe that the cereal could reach the market within five years... 

 

CSIC scientists have requested permission to plant there, on a plot of 1,000 square meters, wheat whose genes have been modified so that it can be consumed by people with celiac disease, a currently incurable disease of unknown origin that affects about 1% of the world population.

 

When people with celiac disease consume gluten - a protein found in wheat, barley and rye - their body's defenses react and damage the intestine. As a result, there are diarrhea, vomiting and unexplained weight loss until it is given to the cause. Their only option now is to eat gluten-free foods that are more expensive. Celiacs spent each year 1,600 euros more on food than the other people. In the U.S. alone, the market for gluten-free foods moved 4,200 billion in 2012.

 

To remedy this, a team from the Institute of Sustainable Agriculture Cordoba, led by biologist Francisco Barro, has since 2004 investigating transgenic wheat varieties without gluten. In 2011, researchers announced that they had obtained varieties capable of producing in celiacs "a reaction up to 95% less toxic than natural wheat", according to laboratory results.

 

Now, Barro has asked the National Biosafety Commission for a permit to grow wheat for the first time outdoors. His goal is to harvest half a ton of grain to make crackers that will be used to conduct a clinical trial with celiacs. The test, if all goes as planned, will be held for three months with between 30 and 60 patients, who will be able to taste wheat again, until now forbidden to them, in a trial coordinated by medical Queen Sofía Hospital. The biologist believes his cereal could reach the market within five years.

 

Barro is aware that its GM wheat "has no chance in Europe", the continent most reluctant to genetically modified organisms. Five countries - USA, Canada, Argentina, Brazil and India - grabbing global GM production, with 152 million hectares.

 

Europe only allows the cultivation of two GM crops: modified corn by the U.S. company Monsanto to be resistant to insect infestation and a starch potato from German chemicals company BASF for paper and textile industries. However, following a hypocritical policy, Brussels does support importing about 40 GM products from other countries.

 

The CSIC has sold the license to exploit the patent for its GM wheat, to a British company, Plant Bioscience Limited, based in Norwich. "Possibly, their strategy will be to cultivate our wheat in the U.S., Argentina and China, and they will sell the flour to Spain for the price of gold", speculates Barro.

 

According to preliminary studies, "in the worst case, a celiac can [at least] eat every day three slices of bread made from the modified wheat". Barro team has organized a blind tasting with 11 tasters, who were unable to distinguish the normal wheat bread from the one baked with transgenic cereals.

 

To prevent the escape of genetically modified wheat from the plot... CSIC scientists impose a safety distance of 200 meters to any other plot with cereal. Barro considered very unlikely that there is a leak, because "wheat pollen is heavy" and cannot travel long distances on the wind. 

 

Wheat suitable for coeliacs has its genes modified to suppress the proteins responsible for the allergic response of celiacs, gliadins. "It would be surprising that this feature gave the GM wheat a competitive advantage over the normal wheat [if it escapes]," says Barro... "There are anti-GMO environmentalists, who are celiacs, who called me to try our wheat," says Barro... 

 

Original article in Spanish: 
http://esmateria.com/2013/05/09/el-csic-pide-cultivar-trigo-transgenico-para-celiacos/
 


Via Alexander J. Stein, Norman Warthmann, sonia ramos
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AckerbauHalle's curator insight, May 12, 2013 12:50 PM

In Spanien gibt es einen Versuch mit Weizen, der auch für Menschen mit Zöliaki geeignet sein soll. 

sonia ramos's curator insight, May 13, 2013 2:20 AM

Hay mucho trabajo que hacer sobre los trangénicos, unos debemos acercarlos más a la población explicando los controles y la legislación, las pruebas y el tiempo de experimientación sobre su efectos y, otros, abriendo  perspectivas e informándose.

 

Este tema lleva mucha desinformación detrás y se están perdidendo oportunidades de mejora de calidad de vida y salud en el mundo por quedarse sólo en la superficie de este campo de investigación.

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Ikea probing faecal bacteria in almond cake - The Economic Times

Ikea probing faecal bacteria in almond cake - The Economic Times | All About Food | Scoop.it

5 MAR, 2013, 04.48PM IST, AFP

STOCKHOLM: Swedish furniture giant Ikea said Tuesday it was investigating claims that Chinese authorities had found coliform bacteria, normally present in faecal matter, in an almond cake made inSweden for the company's restaurants.

The cake had failed tests "for containing an excessive level of coliform bacteria, according to the General Administration of Quality Supervision, Inspection andQuarantine," the Shanghai Daily website wrote.

Ikea said 1,800 Taarta Chokladkrokant cakes - described on its website as an almond cake with chocolate, butter cream and butterscotch - were destroyed after being intercepted by Chinese customsin November.

"These cakes never reached our stores," said Ikea spokeswoman Ylva Magnusson, adding that the group was currently looking into whether cakes from the suspect batch had been sent to any other countries.

"There are indications that the levels of bacteria found are low but we obviously have to know the exact amount, and find out how this happened," she added.

Magnusson said the cakes had not been withdrawn from sale in any markets as of early Tuesday.

Ikea last week pulled its trademark meatballs off the shelves in 25 countries after Czech authorities found traces of horse DNA in a batch of one-kilogramme (2.2-pound) bags of frozen meatballs.

"It's very important to us that the products our customers buy are safe and secure to use and to eat," Magnusson said..

sonia ramos's insight:

IKEA se preocupa de tu espacio pero no de tu estómago: detección de coliformes en sus postres en China... una semana después de dar positivo en carne de caballo en sus albóndigas. 

Es decir, tras el posible fraude alimentario le sigue una posible infracción contra la seguridad alimentaria, mucho más grave.

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Mushroom-supplemented soybean extract shows therapeutic promise for advanced prostate cancer

Mushroom-supplemented soybean extract shows therapeutic promise for advanced prostate cancer | All About Food | Scoop.it
February 20, 2013
(SACRAMENTO, Calif.) —

A natural, nontoxic product called genistein-combined polysaccharide, or GCP, which is commercially available in health stores, could help lengthen the life expectancy of certain prostate cancer patients, UC Davis researchers have found.

Paramita Ghosh

Men with prostate cancer that has spread to other parts of the body, known as metastatic cancer, and who have had their testosterone lowered with drug therapy are most likely to benefit. The study, recently published in Endocrine-Related Cancer, was conducted in prostate cancer cells and in mice.

Lowering of testosterone, also known as androgen-deprivation therapy, has long been the standard of care for patients with metastatic prostate cancer, but life expectancies vary widely for those who undergo this treatment. Testosterone is an androgen, the generic term for any compound that stimulates or controls development and maintenance of male characteristics by binding to androgen receptors.

The current findings hold promise for GCP therapy as a way to extend life expectancy of patients with low response to androgen-deprivation therapy.

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Food science expert: Genetically modified crops are overregulated | News Bureau | University of Illinois

Food science expert: Genetically modified crops are overregulated | News Bureau | University of Illinois | All About Food | Scoop.it
The News Bureau, part of Public Affairs, generates and coordinates news coverage of the Urbana-Champaign campus
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sonia ramos's curator insight, February 19, 2013 2:05 PM

RT @tapasdeciencia: Los alimentos modificados genéticamente son seguros para los humanos y el medio ambiente, y están sobrerregulados

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De Novo Assembly and Functional Annotation of the Olive (Olea europaea) Transcriptome


Via Andres Zurita
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Andres Zurita's curator insight, February 15, 2013 10:00 AM

Olive breeding programmes are focused on selecting for traits as short juvenile period, plant architecture suited for mechanical harvest, or oil characteristics, including fatty acid composition, phenolic, and volatile compounds to suit new markets. Understanding the molecular basis of these characteristics and improving the efficiency of such breeding programmes require the development of genomic information and tools. However, despite its economic relevance, genomic information on olive or closely related species is still scarce. We have applied Sanger and 454 pyrosequencing technologies to generate close to 2 million reads from 12 cDNA libraries obtained from the Picual, Arbequina, and Lechin de Sevilla cultivars and seedlings from a segregating progeny of a Picual × Arbequina cross. The libraries include fruit mesocarp and seeds at three relevant developmental stages, young stems and leaves, active juvenile and adult buds as well as dormant buds, and juvenile and adult roots. The reads were assembled by library or tissue and then assembled together into 81 020 unigenes with an average size of 496 bases. Here, we report their assembly and their functional annotation.

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Reino Unido detiene a tres personas por el fraude de la carne de caballo

Reino Unido detiene a tres personas por el fraude de la carne de caballo | All About Food | Scoop.it
Las autoridades detectan un potente analgésico en algunas muestras.Una parte ha sido exportada a Francia y puede haber entrado en la cadena alimentaria (Gran Bretaña detiene a 3 personas por el fraude de la carne de caballo

 

El ministro de Agricultura, Miguel Arias Cañete, aseguró el martes que el problema no afecta a España porque ninguno de los controles habituales lo ha detectado. No obstante, las principales organizacionesreclaman una investigación extraordinaria, como la que están llevando a cabo Reino Unido y Francia, para demostrar que, efectivamente, el problema no ha llegado y zanjar la creciente inquietud de los ciudadanos. La OCU, además, recuerda que en un estudio que realizó hace un mes detectó ADN equino en dos marcas de hamburguesas, lo que hace sospechar que España no es una isla en este fraude.

El escándalo, de hecho, no deja de extenderse por Europa cada día. A Francia, Reino Unido, Rumanía, Luxemburgo, Suecia, Rumania y Polonia, los países que hasta ahora se han visto directamente implicados en el embrollo, se ha sumado hoy Alemania, donde la cadena supermercados Real ha anunciado la retirada sus lasañas boloñesa tras descubrir restos de caballo en la carne picada. Las autoridades germanas han ordenado ya análisis en varias empresas distribuidoras.

 

Noticia completa en la fuente: http://sociedad.elpais.com/sociedad/2013/02/14/actualidad/1360845544_808389.html

sonia ramos's insight:

El hecho de que los controles habituales no detecten nada no implica que no halla fraude, sino que quizás el control efectuado no es válido o sensible, específico, etc. Por eso se debe invertir en I+D+i, para obtener técnica que protejan a los consumidores, y aquellos eslabones de la cadena alimentaria que cumplen las normas.

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Alimentos y su cuidado al procesarlos. Contaminación cruzada.

Correcta manipulación de los alimentos. Cuidados al congelar y descongelar los mismos. Como evitar intoxicaciones alimentarias. Dr. Sergio D. Taladriz - Farm...

Via Carolina Aragón
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Possible effects of dietary polyphenols on sugar absorption and digestion - Williamson - 2012 - Molecular Nutrition & Food Research - Wiley Online Library

Possible effects of dietary polyphenols on sugar absorption and digestion - Williamson - 2012 - Molecular Nutrition & Food Research - Wiley Online Library | All About Food | Scoop.it

Review

You have free access to this contentPossible effects of dietary polyphenols on sugar absorption and digestionGary Williamson

Article first published online: 26 NOV 2012

DOI: 10.1002/mnfr.201200511

© 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

Issue

Molecular Nutrition & Food Research

Volume 57, Issue 1, pages 48–57, January 2013

Keywords:Amylase;Diabetes;Disaccharide;Flavonoid;Glucose transport

Excessive post-prandial glucose excursions are a risk factor for developing diabetes, associated with impaired glucose tolerance. One way to limit the excursion is to inhibit the activity of digestive enzymes for glucose production and of the transporters responsible for glucose absorption. Flavonols, theaflavins, gallate esters, 5-caffeoylqunic acid and proanthocyanidins inhibit α-amylase activity. Anthocyanidins and catechin oxidation products, such as theaflavins and theasinsensins, inhibit maltase; sucrase is less strongly inhibited but anthocyanidins seem somewhat effective. Lactase is inhibited by green tea catechins. Once produced in the gut by digestion, glucose is absorbed by SGLT1 and GLUT2 transporters, inhibited by flavonols and flavonol glycosides, phlorizin and green tea catechins. These in vitro data are supported by oral glucose tolerance tests on animals, and by a limited number of human intervention studies on polyphenol-rich foods. Acarbose is a drug whose mechanism of action is only through inhibition of α-amylases and α-glucosidases, and in intervention studies gives a 6% reduction in diabetes risk over 3 years. A lifetime intake of dietary polyphenols, assuming the same mechanism, has therefore a comparable potential to reduce diabetes risk, but more in vivo studies are required to fully test the effect of modulating post-prandial blood glucose in humans.

sonia ramos's insight:

Posibles efectos de los polifenoles alimentarios en la absorción y digestión de los azúcares

 

Los polifenoles como inhibidores de alfa-amilsas y otras enzimas como maltasa, sucrasa o lactasa e incluso transportadores de azúcares como SGLT1 y GLUT2 mediante ensayos in vitro, contrastados con ensayos in vivo con animales.

Un avance en la reducción del riesgo de diabetes en humanos a través de la reducción de los niveles de glucosa post-pandrial.

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Los polifenoles, la nueva línea de investigación en la sidra

Los polifenoles, la nueva línea de investigación en la sidra | All About Food | Scoop.it
Un equipo de la UPV ha elaborado sidras monovarietales de seis tipos de manzana para saber sus características 20.12.12 - 00:34 - 

FELIX IBARGUTXI | ZIZU RKIL. Un equipo de la Facultad de Química de la UPV -en colaboración con la Asociación de Sidra Natural de Gipuzkoa- ha llevado a cabo un estudio sobre las sidras monovarietales, incidiendo especialmente en los polifenoles, unas sustancias interesantes porque favorecen una buena conservación de la sidra y porque son antioxidantes para el organismo humano. Ayer se presentaron las conclusiones, en el laboratorio foral de Fraisoro.Se han realizado sidras con variedades autóctonas del País Vasco. Tras unas primeras pruebas con la manzana de la cosecha de 2010, el pasado septiembre se retomó la insvestigación con manzanas recogidas en la finca foral de Zubieta (Hondarribia), y de estas variedades: Gezamina, Goikoetxea, Moko, Txalaka, Urtebi Haundi y Urtebi Txiki.El objetivo del estudio, dirigido por el profesor de la Facultad de Química Iñaki Berregi, y llevado a cabo por los enólogos Juan Zuriarrain y Domingo Arina, es analizar la contribución de cada variedad a la composición y características finales de la sidra. Hay que tomar en cuenta que las sidras comerciales se elaboran con una mezcla de numerosas variedades.

sonia ramos's insight:

La gran familia de los compuestos fen'olicos está de moda... eso no se puede negar

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How Plants Feel

How Plants Feel | All About Food | Scoop.it
How Plants Feel
A hormone called jasmonate mediates plants' responses to touch and can boost defenses against pests.

By Kerry Grens | December 1, 2012

 

EDITOR'S CHOICE IN PLANT BIOLOGY

THE PAPER
E.W. Chehab et al., “Arabidopsis touch-induced morphogenesis is jasmonate mediated and protects against pests,” Cur Biol, 22:701-06, 2012.

Although it’s known that plants can detect and respond to touch, how they relay information from physical contact has been less clear. Janet Braam’s group at Rice University and other labs had previously shown that the expression levels of many genes are upregulated in response to touch and that plants develop stockier builds if they are routinely perturbed. In their latest work, Braam’s team set out to identify how the physical perturbation was translated into growth changes. They found that a plant hormone called jasmonate is essential for the developmental responses to touch in Arabidopsis, and that touch itself, via jasmonate, can boost pest resistance.

Given jasmonate’s already-established roles in responding to light, injury, and pests, the addition of touch “means that what we’re looking at is different ways that signal inputs are being integrated,” says John Turner, a professor at the University of East Anglia, who was not involved in the study.

 

http://www.the-scientist.com/?articles.view/articleNo/33374/title/How-Plants-Feel/


Via R K Upadhyay
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