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Definition of Trigonelline
1. Noun. (biochemistry) An alkaloid product of the metabolism of niacin, found in many plants including fenugreek. ¹
¹ Source: wiktionary.com
Medical Definition of Trigonelline
1. 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)