sinapine

[sin-uh-pahyn, -pin]

noun

Chemistry.

1. an alkaloid extracted from various oilseeds, especially the seeds of brown mustard, rapeseed, and other cruciferous plants.

Word History and Origins

Origin of sinapine¹

First recorded in 1830–40; from Latin sināp(i) “mustard” (from Greek sínāpi ) + -ine ²

Example Sentences

Sinapine, the alkaloid which exists as sulphocyanate in white mustard seed, yields, under the same reaction as that applied to atropine and piperine, quite different results.

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When boiled with baryta water, sinapine decomposes into sinapic acid, C11H12O5, and choline, C5H15NO2, the latter a well-known constituent of the bile, and produced also in the decomposition of the lecithin of the brain and yolk of egg.

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