Which compound, rich in orange bell peppers, accumulates in the eye's macula to act as an internal filter?
Answer
Zeaxanthin
Orange bell peppers are particularly rich in the carotenoid zeaxanthin. This compound, along with its related carotenoid lutein, has the specific biological function of accumulating in the macula, which is a central part of the eye's retina. Once accumulated, zeaxanthin and lutein function as an internal light filter for the eye. This filtering action is vital because it helps shield the sensitive structures of the eye from potential oxidative damage induced by intense light exposure, including the problematic blue light emitted by modern digital screens. Regular consumption of foods high in zeaxanthin is linked to a reduced risk profile for developing age-related sight issues, notably cataracts and macular degeneration.
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