from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A toxic pigment, C30H30O8, obtained from cottonseed oil and detoxified by heating, that has been experimentally shown to inhibit sperm production.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of a class of toxic polyphenols found in the seeds of the cotton plant

from The Century Dictionary and Cyclopedia

  • n. Same as gossypein.


from The American Heritage® Dictionary of the English Language, 4th Edition

New Latin Gossypium, genus name (from Latin gossypion, cotton plant) + -ol1.

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Gossypium, cotton


  • However, the eggs' hardness could be a natural occurrence, caused by hens consuming large amounts of food enriched with a compound called gossypol, which binds to protein in egg yolks, Xinhua said.

    Reuters: Press Release

  • A paper published online on May 5 in the Journal of Medicinal Chemistry describes how BI-97C1, an optically pure derivative of a cottonseed extract called gossypol, inhibits all six anti-apoptotic Bcl -2 family proteins.

    R&D Mag - News

  • Cotton seeds are packed with protein but regular plants produce a toxic chemical called gossypol which can damage our liver and heart.

    Home | Mail Online

  • These substances may be natural constituents of the seeds, such as gossypol and cylopropenoid fatty acids in cottonseed, cyanogenetic glycoside in linseed, ricin in castor beans, sinigrin or sinalbin in mustard seed, saponin in shea nuts, the trypsin inhibitor in soyabeans, or toxic mould metabolites, such as aflatoxin, which may form if the seeds are allowed to spoil by moulds.

    Chapter 7

  • Oilseeds often contain toxic or undesirable factors such as gossypol in cottonseed, trypsin inhibitor in soya beans and cyanogenetic glucosides in linseed, whereas groundnuts have been noted as being particularly vulnerable to mycotoxin formation.

    Chapter 6

  • "The exciting finding is that we have been able to reduce gossypol – which is a very toxic compound – from cottonseed to a level that is considered safe for consumption," said Dr. Keerti Rathore, Texas Agricultural Experiment Station plant biotechnologist.

    Cotton: it's what's for dinner

  • Researchers at the Texas Agricultural Experiment Station used RNAi to reduce the toxic compound gossypol from cottonseed to a level that is considered safe for consumption, but left the compound in the rest of the plant to ward off insects and disease.

    I am not making this up

  • That's enough to feed 500 million people -- if only it weren't for gossypol, a toxic chemical.

    Edible Cotton

  • Now, after trying to develop gossypol-free cotton for several years, Keerti Rathore, a biologist at Texas A&M University, has finally managed to produce a strain that he says could meet the World Health Organization's standards for food.

    Edible Cotton

  • "We have brought down the level of gossypol in the seed."

    Edible Cotton


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