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United States Department of Agriculture

Agricultural Research Service

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Image Number D106-18

In foreground, freeze-dried cotton hairy roots (from which gossypol is extracted). In background, gossypol (in powdered form). Gossypol is a yellow pigment that accumulates in a cotton plant’s outer tissues. The pigment is being investigated not only for its abilities to suppress numerous microbes, parasites, fungi, and insects, but also for inhibiting growth of some cancers.


Photo by Stephen Ausmus.

640 pixels wide: (d106-18.jpg)

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Last Modified: 8/13/2016
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