Grapes: A tasty solution for preserving eye health in aging adults

A recent groundbreaking study has highlighted the remarkable potential of grapes in enhancing eye health, particularly in older adults. Published in the scientific journal Food & Function, this research is the first human study of its kind, shedding light on the benefits of regular grape consumption in safeguarding eye health.

As the global population ages, the risk of eye diseases and vision problems increases substantially. Two key risk factors for eye diseases are oxidative stress and high levels of ocular advanced glycation end products (AGEs). AGEs have been linked to various eye diseases, contributing to damage within the retinal vascular components, cellular dysfunction, and oxidative stress. The good news is that dietary antioxidants can counteract oxidative stress and inhibit AGE formation, potentially benefiting the retina, including improving Macular Pigment Optical Density (MPOD).

Grapes, a delicious and naturally rich source of antioxidants and polyphenols, were the focus of this groundbreaking study. Over 16 weeks, 34 human participants were divided into two groups: one consumed grapes daily (equivalent to 1 ½ cups of grapes per day), while the other received a placebo. The results were nothing short of remarkable.

Individuals who included grapes in their daily diet exhibited a significant increase in MPOD, plasma antioxidant capacity, and total phenolic content. These changes are indicative of improved eye health and a bolstered defense against oxidative stress. In contrast, those who did not consume grapes experienced a significant increase in harmful AGEs, a concerning development for eye health.

Reference: Impacts of regular consumption of grapes on macular pigment accumulation in Singapore older adults: a randomized, controlled trial, Food & Function, DOI 10.1039/d3fo02105j