different between crocein vs crocetin

English

See croceous, +? -in.

crocein (usually uncountable, plural croceins)

(organic chemistry) Any of several synthetic yellow or scarlet dyestuffs that are diazo and sulphonic acid derivatives of benzene and naphthol.

crocetin (countable and uncountable, plural crocetins)

(organic chemistry) A natural carotenoid dicarboxylic acid that is found in the crocus flower.

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