Trigonelline is an alkaloid with chemical formula {carbon}7{hydrogen}7{nitrogen}{oxygen}2. It is a zwitterion formed by the methylation of the nitrogen atom of niacin (vitamin B3). Trigonelline is a product of niacin metabolism that is excreted in urine. Trigonelline occurs in many plants. It has been isolated from fenugreek seeds (Trigonella foen...
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http://en.wikipedia.org/wiki/Trigonelline
N-methylnicotinic acid;the methyl betaine of nicotinic acid; a product of the metabolism of nicotinic acid; excreted in the urine. ... Synonym: caffearine, trigenolline. ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973
Type: Term Pronunciation: trig′ō-nel′ēn Definitions: 1. The methyl betaine of nicotinic acid; a product of the metabolism of nicotinic acid; excreted in the urine. Synonyms: caffearine, trigenolline
Found on
http://www.medilexicon.com/medicaldictionary.php?t=93942
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