cryptoxanthin
noun
cryp·to·xan·thin
| \ ˌkrip-tə-ˈzan(t)-thən
\
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Medical Definition of cryptoxanthin
: a red crystalline carotenoid alcohol C40H55OH that occurs in many plants (as yellow corn and papaya), in blood serum, and in some animal products (as butter and egg yolk) and that is a precursor of vitamin A