Betalain meaning

A class of red and yellow indole-derived water-soluble pigments found in beets and other plants of the Caryophyllales and used commercially as coloring agents.

noun

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(class of red and yellow pigments): betacyanin, betaxanthin.

hyponyms

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Origin of betalain

Coined to describe the pigments as derivatives from betalamic acid, from Latin bēta (“beet”).

From Wiktionary