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Gossypol is a toxic phenolic pigment with the chemical formula C30H30O8 that is found in cottonseed. It is derived from the Latin word for cotton, gossypium. Gossypol was first identified in 1899.1

While related, gossypin is a different compound. Gossypin is a glucoside with the formula C21H20O13 and occurs in cotton and hibiscus flowers.2

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  1. gossypol
  2. gossypin

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