Steroidal glycosides of tribulus terrestris linn

These compounds give a permanent froth when shaken with water. They also cause hemolysis of red blood cells . Saponin glycosides are found in liquorice . Their medicinal value is due to their expectorant , and corticoid and anti-inflammatory effects. Steroid saponins, for example, in Dioscorea wild yam the sapogenin diosgenin —in form of its glycoside dioscin—is an important starting material for production of semi-synthetic glucocorticoids and other steroid hormones such as progesterone . The ginsenosides are triterpene glycosides and Ginseng saponins from Panax Ginseng C. A. Meyer, (Chinese ginseng ) and Panax quinquefolius ( American Ginseng ). In general, the use of the term saponin in organic chemistry is discouraged, because many plant constituents can produce foam , and many triterpene -glycosides are amphipolar under certain conditions, acting as a surfactant . More modern uses of saponins in biotechnology are as adjuvants in vaccines : Quil A and its derivative QS-21 , isolated from the bark of Quillaja saponaria Molina, to stimulate both the Th1 immune response and the production of cytotoxic T-lymphocytes (CTLs) against exogenous antigens make them ideal for use in subunit vaccines and vaccines directed against intracellular pathogens as well as for therapeutic cancer vaccines but with the aforementioned side-effect of hemolysis . [7]

Steroidal glycosides of tribulus terrestris linn

steroidal glycosides of tribulus terrestris linn

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