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. Author manuscript; available in PMC: 2019 Jul 1.
Published in final edited form as: Arch Biochem Biophys. 2018 May 6;649:22–28. doi: 10.1016/j.abb.2018.05.003

Figure 8. Contents of carotenoids and their yellow oxidative metabolites in the retinas of the mice used in the visual performance experiments.

Figure 8.

The yellow oxidative metabolites of carotenoids were detected in the mice fed with zeaxanthin or lutein but not β-carotene, and their amounts were estimated using authentic standard of lutein or zeaxanthin as these metabolite compounds have not been identified yet. The number of mice in each feeding group varies from 7 to 15, and the retinas from 3 to 7 animals were pooled together for carotenoid analysis. N.D., not detectable.