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Researchers Make Case for Grapes as a ‘Superfood’ After Review of Health Evidence
A systematic review of eight studies found grapes improved attention, memory and executive function, while daily eaters also cut LDL cholesterol by 6%.
A four-week study found that individuals eating grapes daily reduced their LDL cholesterol by 6%. Both total cholesterol and bad LDL cholesterol were reduced by the same percentage.
Research indicates that daily grape consumption increases gut bacteria variety, a change linked to lower risk of type 2 diabetes and heart disease. This mechanism may explain the cholesterol reduction observed.
One recommended portion is 80g, containing 54 calories, 0.6g of fibre, and 12g of sugar. As grapes are 80 per cent water, they offer a hydrating snack.
University of Aberdeen researchers found grapes can enhance cognition, improving attention, spatial memory, and executive function. Purple varieties contain anthocyanins linked to better brain health.
Harvard professor David Sinclair found resveratrol could increase cell survival in earlier research. However, a subsequent 2014 study of 800 people in Italy whose diets were naturally high in resveratrol found no health improvements.