astacin
noun
as·ta·cin
\ˈastəsə̇n\
variants: less commonly
astacene
\-ˌsēn\Definition of astacin
-s
: 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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Origin and Etymology of astacin
International Scientific Vocabulary astac- (from New Latin Astacus) + -in or -ene
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