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Salicin, a glycoside related to aspirin Chemical structure of oleandrin, a cardiac glycoside. In chemistry, a glycoside / ˈ ɡ l aɪ k ə s aɪ d / is a molecule in which a sugar is bound to another functional group via a glycosidic bond. Glycosides play numerous important roles in living organisms. Many plants store chemicals in the form of ...
Cardiac glycosides are a class of organic compounds that increase the output force of the heart and decrease its rate of contractions by inhibiting the cellular sodium-potassium ATPase pump. [1] Their beneficial medical uses include treatments for congestive heart failure and cardiac arrhythmias ; however, their relative toxicity prevents them ...
Aesculin, also called æsculin or esculin, is a coumarin glucoside that naturally occurs in the trees horse chestnut (Aesculus hippocastanum), [1] California buckeye (Aesculus californica), [2] prickly box (Bursaria spinosa), and daphnin (the dark green resin of Daphne mezereum).
Indican is a glycoside.Its most significant reaction is hydrolysis of to yields β-D-glucose and indoxyl. Beta-glucosidase, a common enzyme, catalyzes this process.Because the hydrolysis is slow in the absence of the enzyme, indican can be viewed as a protected version of indoxyl.
Cerberin is a type of cardiac glycoside, found in the seeds of the dicotyledonous angiosperm genus Cerbera; including the suicide tree (Cerbera odollam) and the sea mango (Cerbera manghas). As a cardiac glycoside, cerberin disrupts the function of the heart by blocking its sodium and potassium ATPase . [ 2 ]
Oleandrin is a cardiac glycoside found in the poisonous plant oleander (Nerium oleander L.). [1] As a main phytochemical of oleander, oleandrin is associated with the toxicity of oleander sap, and has similar properties to digoxin.
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Salkowski test can also be used to test the presence of indoles (crystalline alkaloids that are a degradation products of proteins, containing tryptophan [10]). In such cases a sample is treated with nitric acid and 2% solution of potassium nitrite , with positive reaction being shown by presence of red colour.