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glycoside |
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glycoside /gly·co·side/ (gli´ko-sīd) any compound containing a carbohydrate molecule (sugar), particularly any such natural product in plants, convertible, by hydrolytic cleavage, into a sugar and a nonsugar component (aglycone), and named specifically for the sugar contained, as glucoside (glucose), pentoside (pentose), fructoside (fructose), etc. cardiac glycoside any of a group of glycosides occurring in certain plants (e.g., Digitalis, Strophanthus, Urginea ), acting on the contractile force of cardiac muscle; some are used as cardiotonics and antiarrhythmics. digitalis glycoside any of a number of cardiotonic and antiarrhythmic glycosides derived from Digitalis purpurea and D. lanata, or any drug chemically and pharmacologically related to these glycosides.
Glycoside An herbal carbohydrate that exerts powerful effect on hormone-producing tissues. The glycoside breaks down into a sugar and a non-sugar component. Mentioned in: Echinacea glycoside [glī′kəsīd] Etymology: Gk, glykys, sweet any of several carbohydrates that yield a sugar and a nonsugar on hydrolysis. The plant Digitalis purpurea yields a glycoside used in the treatment of heart disease. glycoside, n plant-derived compound that breaks down into a sugar and an aglycon when processed with water. glycoside (gli´kōsīd), n a compound that contains a sugar as part of the molecule. glycoside any compound containing a carbohydrate moiety (sugar), particularly any such natural product in plants, convertible, by hydrolytic cleavage, into a sugar and a nonsugar component (aglycone), and named specifically after the sugar contained, as glucoside (glucose), pentoside (pentose), fructoside (fructose), etc. cardiac glycoside any one of a group of glycosides occurring in certain plants (e.g. Digitalis) having a characteristic action on the contractile force of the heart muscle. See also cardenolide, bufadienolide. glycoside Pharmacology A molecule formed from the condensation of either a furanose or a pyranose with another molecule as an acetal, nitrogen glycoside, or phosphate ester glycoside; cardiac glycosides include digitoxin, digoxin, ouabain How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Some of these ingredients are kmown to contain endocrine modulators, such as the phytoestrogens genistein and daidzein (abundant in soybeans and its products) and their respective glycosides (genistin and daidzin), and coumestrol (found in alfalfa). The active components of chasteberry that provide relief from PMS symptoms are thought to be the iridoid glycosides, aucubin and agnoside. Monarchs feed on milkweed, which contains nasty-tasting compounds called cardiac glycosides. |
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