January 2009
World Book Science Dataset;1/1/2009, p1
Reference Entry
Gossypol, a yellowish protein found in cottonseed oil. It is used in feed supplements for livestock and in fungicides and pesticides. In China, gossypol has been used experimentally in contraceptive pills for men. It produces temporary infertility by inhibiting the locomotion and production of sperm. Fertility is restored by discontinuing use of the pill; within two to three months sperm production is back to normal.


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