Found in the following dictionaries
OTCWL2014 (NASPA Word List 2014)
"Zeaxanthin" Definition
noun
A yellow crystalline carotenoid alcohol that occurs widely with lutein, with which it is isomeric, and is the chief pigment of maize.
Source: Wiktionary
An isomer of lutein occurring especially in fruits and vegetables (as spinach and corn).
Source: Merriam-Webster
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