senecioninen.Chemistry a crystalline alkaloid, C18H26O6N, occurring in groundsel ( Senecio vulgaris).
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1895 Jrnl. Chem. Soc.68i. 632Senecio vulgaris contains small quantities of two alkaloids, which the authors call senecionine and senecine. Senecine has a very much bitterer taste than senecionine.