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astacin

noun as·ta·cin \ ˈastəsə̇n \
variants: or less commonly astacene \-ˌsēn\
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Definition of astacin

plural -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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