saponine - definizione. Che cos'è saponine
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Cosa (chi) è saponine - definizione

CLASS OF CHEMICAL COMPOUNDS
Saponins; Sapotoxin; Triterpenoid saponin; Saponine; Glycosaponin; Triterpene saponin; Triterpenoid saponins; Triterpene saponins; Frothing test; Triterpene glycoside
  • Chemical structure of [[solanine]], a highly toxic [[alkaloid]] saponin found in the [[nightshade]] family. The lipophilic steroidal structure is the series of connected six- and five-atom rings at the right of the structure, while the hydrophilic chain of sugar units is to the left and below. Note the nitrogen atom in the steroid skeleton at right, indicating this compound is a [[glycoalkaloid]].

Saponin         
Saponins (Latin "sapon", soap + “-in", one of), also selectively referred to as triterpene glycosides, are bitter-tasting usually toxic plant-derived organic chemicals that have a foamy quality when agitated in water. They are widely distributed but found particularly in soapwort (genus Saponaria), a flowering plant, and the soapbark tree (Quillaja saponaria).
Saponin         
·noun A poisonous glucoside found in many plants, as in the root of soapwort (Saponaria), in the bark of soap bark (Quillaia), ·etc. It is extracted as a white amorphous powder, which occasions a soapy lather in solution, and produces a local anaesthesia. Formerly called also struthiin, quillaiin, senegin, polygalic acid, ·etc. By extension, any one of a group of related bodies of which saponin proper is the type.
saponin         
['sap?n?n]
¦ noun Chemistry any of a class of toxic compounds which foam when shaken with water, found in soapwort and other plants.
Origin
C19: from Fr. saponine, from L. sapo, sapon- 'soap'.

Wikipedia

Saponin

Saponins (Latin "sapon", soap + "-in", one of), also selectively referred to as triterpene glycosides, are bitter-tasting usually toxic plant-derived organic chemicals that have a foamy quality when agitated in water. They are widely distributed but found particularly in soapwort (genus Saponaria), a flowering plant, the soapbark tree (Quillaja saponaria) and soybeans (Glycine max L.). They are used in soaps, medicines, fire extinguishers, speciously as dietary supplements, for synthesis of steroids, and in carbonated beverages (for example, being responsible for maintaining the head on root beer). Structurally, they are glycosides, sugars bonded to another organic molecule, usually a steroid or triterpene, a steroid building block. Saponins are both water and fat soluble, which gives them their useful soap properties. Some examples of these chemicals are glycyrrhizin (licorice flavoring) and quillaia (alt. quillaja), a bark extract used in beverages.