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| Scientists Discover New Health Benefits of Grapes |
Grape consumption increased retinal pigment synthesis and decreased toxic indicators.
In a recent randomized, controlled human trial, older adults who consumed grapes for 16 weeks saw improvements in important eye health indices. The research, which was published in the academic journal Food & Function, examined the effects of regular grape consumption on the buildup of macular pigment and other biomarkers of eye health.
The findings of this first investigation in humans on the topic support earlier, exploratory studies that revealed grape consumption to be protective of retinal structure and function.
The Aging Eye and Dietary Antioxidants
Science has shown that an aging population has a higher risk of eye disease and vision problems. Key risk factors for eye disease include 1) oxidative stress and 2) high levels of ocular advanced glycation end products (AGEs). AGEs may contribute to many eye diseases by damaging the vascular components of the retina, impairing cellular function, and causing oxidative stress.
Study Specifications and Results
For 16 weeks, 34 participants in this new study either ate grapes or a placebo. One and a half cups of grapes were ingested daily. In comparison to those receiving a placebo, the grape eaters displayed a significantly higher MPOD, plasma antioxidant capacity, and total phenolic content.
The amount of dangerous AGEs, as detected in the skin, significantly increased in those who didn't consume grapes.
According to Dr. Jung Eun Kim, "Our study is the first to demonstrate that grape consumption has a positive impact on eye health in people, which is quite interesting given the aging population that is on the rise. "Studies have shown that eating just 1 12 cups of grapes a day in a normal amount can have a positive impact on health."
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