A new kind of edible cotton could - World

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After more than 20 years of research, though, scientists at Texas A&M University have figured out how to make cottonseed edible.

NPR reported that the new variety of cotton still contains gossypol, just not in the seeds. Scientists have previously tried growing cotton that does not contain any gossypol, but it was never commercially viable because some gossypol is necessary to protect cotton from insects.

In mid-October, the US department of agriculture approved this genetic alteration, which has very low levels of gossypol. It still needs to be approved by the US Food and Drug Administration (FDA) before it can be sold, so American farmers likely won't be able to grow it for several years.

Texas A&M professor Keerti Rathore, the lead researcher, told Bloomberg that the cottonseed is "not at all unpleasant," comparing it to the taste of hummus.

Genetically engineered cotton could provide a new food source for millions of people around the world, particularly in countries with high rates of malnutrition, Rathore told NPR. India, for example,produces more cotton than any other country, and it has thehighest number of malnourished people in the world.

Farmers still view cottonseeds as useless because they can't sell them, and only 5% of cottonseed gets planted, according to the National Cotton Council of America. The new variety of cotton, however, would broaden the plant's use in the livestock and aquaculture feed industries. Altered cottonseeds could be used as food for trout and salmon, serving as a cheap alternative for as much as 50% of all fish food, Bloomberg reported.

If all the cotton in the world was safe for eating, it would be enough to feed 600 million people a day, according to Bloomberg.

The researchers are waiting for a decision from the FDA, but they have already reached out to seed companies that can help get the cotton seeds on the market.