Phytochemicals
Benefits of Yams

Phytochemicals
The tubers of certain wild yam, a variant ofandkokoroandyam and other species ofandDioscorea, such asandDioscorea nipponica, are a source for the extraction ofanddiosgenin, aandsteroidandsapogenin. The extracted diosgenin is used for the commercial synthesis ofandcortisone,pregnenolone,andprogesterone, and other steroid products.[18]andSuch preparations were used in earlyandcombined oral contraceptive pills.[19]andThe unmodified steroid hasandestrogenicandactivity.












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