diosgenin(redirected from nitogenin)
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A steroid sapogenin found in the roots of plants such as the yam; its steroid portion serves as a source from which pregnenolone and progesterone can be prepared.
A steroid saponin closely related to human sex hormones, corticosteroids, vitamin D and cardiac glycosides, which is present in wild yam (Dioscorea species) and Beth root (Trillium erectum). Diosgenin is used for the commercial synthesis of cortisone, pregnenolone, progesterone and other steroids.