The use of cottonseed oil

Number of cottonseed oil in the United States is used as cooking and salad oil compared with soybean oil is less, but many of the features, especially cottonseed oil oxidation stability, still very dominant. Iodine value of cottonseed oil stearin component of isolated winter is about 72 ,. Cottonseed oil is also used as vegetable shortening and frying medium, cottonseed oil in the manufacture of frozen desserts may be used instead of cream. Gossypol gossypol (gossyp01) is a double yellow polyphenol hydroxy naphthalene aldehyde compounds, mainly in the inner Malvaceae cotton roots, stems and seeds, cottonseed kernels highest. Gossypol in the structure of sub-aldehyde type, alcohol type, quinone three kinds of tautomers. Chemical nature of lively, easy to oxidative deterioration. Gossypol its existing form into free gossypol (FG) and combined gossypol (BG). Combined with the free gossypol and gossypol cottonseed protein, phospholipids, carbohydrates and other combination of chemical, less toxic.

Measures to prevent gossypol poisoning: must be detoxification treatment before edible cottonseed oil. Through diatomaceous earth, and alumina adsorption gossypol cottonseed oil; thermal processing or removal; or refined by alkali refining method to poison. Secondly, improved varieties, bred low gossypol content of cottonseed oil.