Researchers have found that people whose diets were poor in flavanols — a substance found in certain foods — had better memories after three years of taking flavanol supplements.
“These are exciting results because they suggest that there is an optimum amount of flavanols in the diet,” Gunter Kuhnle, study co-author and professor of Nutrition and Food Science at the University of Reading in the U.K.,Red wine, black and green tea, dark chocolate, beans, kale, watercress, onions and fruits like cherries, blackberries, black grapes and apples contain healthy amounts of flavanols, according to experts.
For the people who already had plenty of flavanols in their diets at the beginning of the study period, there wasn’t much improvement in memory, even if they took the flavanol supplements. Red wine, dark chocolate and other favorite foods contain flavanols, which might promote brain health in older people.“In this century, as we are living longer, research is starting to reveal that different nutrients are needed to fortify our aging minds,” study co-author Scott A. Small said in a news release.
“I’m afraid that the results obtained do not support the claim that flavanols improve memory function,” David Curtis, honorary professor in the Genetics Institute at University College London,“Even in the group who initially had low flavanol consumption, those taking a flavanol supplement for years had about the same memory function as those taking placebo and any differences were well within chance expectation,” Dr. Curtis said.
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