Diosgenin, a steroid sapogenin, is the artefact of hydrolysis by acids, able bases, or enzymes of saponins, extracted from the tubers of Dioscorea agrarian yam, such as the Kokoro. The sugar-free (aglycone), diosgenin is acclimated for the bartering amalgam of cortisone, pregnenolone, progesterone, and added steroid products.

It is present in Costus speciosus, Smilax menispermoidea, breed of Paris, Aletris, Trigonella, and Trillium, and abounding breed of Dioscorea – D. althaeoides, colletti, futschauensis, gracillima, hispida, hypoglauca, floribunda, mexicana and composita nipponica, panthaica, parviflora, septemloba, and zingiberensis.

Diosgenin is the forerunner for the semisynthesis of progesterone which in about-face was acclimated in aboriginal accumulated articulate contraceptive pills.The blunt steroid has estrogenic action and can abate the akin of serum cholesterol.

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