CURCUMIN

Etymology

Noun

curcumin (countable and uncountable, plural curcumins)

(chemistry) A polyphenol ''(1E,6E)-1,7-bis(4-hydroxy-3-methoxyphenyl)hepta-1,6-diene-3,5-dione; a major constituent of the spice turmeric.

Synonyms

• circumin

• E100

Hypernyms

• curcuminoid

Source: Wiktionary

Cur"cu*min (-mn), n. (Chem.)

Definition: The coloring principle of turmeric, or curcuma root, extracted as an orange yellow crystalline substance, C14H14O4, with a green fluorescence.

Note: It possesses acid properties and with alkalies forms brownish salts. This change in color from yellow to brown is the characteristic reaction of tumeric paper. See Turmeric paper, under Turmeric.

Source: Webster’s Unabridged Dictionary 1913 Edition