Article
Total and percent atropisomers of gossypol and gossypol-6-methyl ether in seeds from pima cottons and accessions of Gossypium barbadense L.
Journal of agricultural and food chemistry - 28 Jan 2009
Stipanovic Robert D, Puckhaber Lorraine S, Liu Jinggao, Bell Alois A
Abstract excerpt
Gossypol occurs naturally in the seed, foliage, and roots of the cotton plant ( Gossypium ) as atropisomers due to restricted rotation around the binaphthyl bond. The atropisomers differ in their biological activities. (-)-(R)-Gossypol is more toxic and exhibits significantly greater anticancer activity than the (+)-(S)-atropisomer. Most commercial Upland ( Gossypium hirsutum ) cottonseeds have an (R)- to...
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