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Dietary antioxidants can decrease oxidative stress and inhibit the formation of AGEs, with possible beneficial effects on the retina, such as an improvement in Macular Pigment Optical Density . Grapes are a natural source of antioxidants and other polyphenols.In this new study, 34 human subjects consumed either grapes or a placebo for 16 weeks. The grape eaters showed a significant increase in MPOD,antioxidant capacity, and total phenolic content compared to those on placebo.
“Our study is the first to show that grape consumption beneficially impacts eye health in humans which is very exciting, especially with a growing aging population,” said Dr. Jung Eun Kim. “Grapes are an easy, accessible fruit that studies have shown can have a beneficial impact in normal amounts of just 1 ½ cups per day.”
Reference: “Impacts of regular consumption of grapes on macular pigment accumulation in Singapore older adults: a randomized controlled trial” by Weili Hu, Ruoxi Zheng, Yuting Feng, Denise Tan, Gregory Chan Chung-Tsing, Xinyi Sud and Jung Eun Kim, 11 August 2023,SciTechDaily: Home of the best science and technology news since 1998. Keep up with the latest scitech news via email or social media.