as·​ta·​cin | \ ˈastəsə̇n\
variants: or less commonly astacene \ -​ˌsēn \
plural -s

Definition of astacin

: a red carotenoid ketone pigment C40H48O4 found especially in crustaceans (as in boiled lobster shell) and obtained by oxidation of astaxanthin

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History and Etymology for astacin

International Scientific Vocabulary astac- (from New Latin Astacus) + -in or -ene

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