saponin

Noun

Meaning

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.

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Another method specified by Chinese texts—the earliest dating to 1110—specified the use of saponin (from the beans of Gleditschia sinensis) to extract hormones, but gypsum (containing calcium sulfate ) was also known to have been used. Source: Internet

In South America, quinoa saponin has many uses, including as a detergent for clothing and washing and as an antiseptic for skin injuries. Source: Internet

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