cathartin definition

  • noun:
    • The bitter purgative principle of senna. It's a glucoside using the properties of a weak acid.
    • The bitter, purgative concept of senna. Its a glucoside using properties of a weak acid; -- called additionally cathartic acid, and cathartina.
    • A name once fond of a mixture of substances gotten from senna.
    • A bitter substance within buckthorn fruits, Rhamnus cathartica.

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