1. 19 CONCLUSIONS . Retinal zeaxanthin dose dependently reduced light - induced photoreceptor apoptosis; elevated serum levels did not.

2. Antioxidants include vitamins C and E, selenium, and carotenoids, such as beta - carotene, lycopene, lutein, and zeaxanthin

3. When corn Coleoptiles are given a saturating red-light pretreatment and a blue-light pulse in the presence of increasing concentrations of DTT (an inhibitor of zeaxanthin formation), bending and zeaxanthin content decrease linearly as a function of DTT concentration (see Web Figure 10.3.A, part 3).

4. They are dry-season deciduous; before falling, they turn pinkish-reddish or yellow-brown, due to pigments such as violaxanthin, lutein, and zeaxanthin.

5. Cruciferous vegetables are rich in nutrients, including several carotenoids (beta-carotene, lutein, zeaxanthin); vitamins C, E, and K; folate; and minerals.They also are a good fiber source

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