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- n. A xanthophyll pigment (a di-epoxide, derived from zeaxanthin) that occurs in many plants.
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He and his colleagues isolated and purified a large number of them, including carotene, lycopene, flavoxanthin and violaxanthin.
Other carotenoids like beta-carotene, violaxanthin, neoxanthin, and antheraxanthin were also found in broccoli heads, but lutein was clearly the most significant, accounting for about half of all carotenoids measured.
Niyogi KK (1999) The violaxanthin cycle protects plants from photooxidative damage by more than one mechanism.