Word Study
curcumin
CIDE DICTIONARY
curcumin, n.
The coloring principle of turmeric, or curcuma root, extracted as an orange yellow crystalline substance, C14H14O4 , with a green fluorescence. [1913 Webster]
" 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 ." [1913 Webster]
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