Antioxidant Flavonols – From Fruit, Tea and Wine – Linked to Slower Reminiscence Decline

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A brand new research discovered that individuals who eat or drink extra meals with antioxidant flavonols could have a slower price of reminiscence decline as they age.

In line with new analysis, individuals who eat or drink extra meals with antioxidant flavonols, that are present in tea and wine in addition to a number of vegetables and fruit, could have a slower price of reminiscence decline. The research was printed within the November 22, 2022, on-line concern of Neurology, the medical journal of the American Academy of Neurology.

“It’s thrilling that our research exhibits making particular weight loss program selections could result in a slower price of cognitive decline,” mentioned research creator Thomas M. Holland, MD, MS of Rush College Medical Heart in Chicago. “One thing so simple as consuming extra vegetables and fruit and ingesting extra tea is a straightforward method for folks to take an lively position in sustaining their mind well being.”

Flavonols are a sort of flavonoid, a gaggle of phytochemicals present in plant pigments identified for its useful results on well being.

Individuals within the research included 961 folks with out dementia with a mean age of 81. They crammed out a questionnaire annually on how typically they ate sure meals. In addition they accomplished annual cognitive and reminiscence exams together with recalling lists of phrases, remembering numbers and placing them within the right order. They have been additionally requested about different elements, comparable to their stage of schooling, how a lot time they spent doing bodily actions and the way a lot time they spent doing mentally participating actions comparable to studying and taking part in video games. They have been adopted for a mean of seven years.

Researchers divided the folks into 5 equal teams primarily based on the quantity of flavonols they’d of their weight loss program. Whereas the typical quantity of flavonol consumption in US adults is about 16 to twenty milligrams (mg) per day, the research inhabitants had a mean dietary consumption of complete flavonols of roughly 10 mg per day. The bottom group had an consumption of about 5 mg per day and the very best group consumed a mean of 15 mg per day; which is equal to about one cup of darkish leafy greens.

“One thing so simple as consuming extra vegetables and fruit and ingesting extra tea is a straightforward method for folks to take an lively position in sustaining their mind well being.” — Thomas M. Holland, MD, MS

To find out charges of cognitive decline, researchers used an general international cognition rating summarizing 19 cognitive exams. The typical rating ranged from 0.5 for folks with no considering issues to 0.2 for folks with delicate cognitive impairment to -0.5 for folks with

Holland noted that the study shows an association between higher amounts of dietary flavonols and slower cognitive decline but does not prove that flavonols directly cause a slower rate of cognitive decline.

Other limitations of the study are that the food frequency questionnaire, although valid, was self-reported, so people may not accurately remember what they eat.

Reference: “Association of Dietary Intake of Flavonols With Changes in Global Cognition and Several Cognitive Abilities” by Thomas Monroe Holland, Puja Agarwal, Yamin Wang, Klodian Dhana, Sue E. Leurgans, Kyla Shea, Sarah L Booth, Kumar Rajan, Julie A. Schneider and Lisa L. Barnes, 22 November 2022, Neurology.
DOI: 10.1212/WNL.0000000000201541

The study was supported by the National Institutes of Health, National Institute on Aging, and USDA Agricultural Research Service.

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