No need to wine about aging skin.
A new study found that a specific and unusual type of red wine can make a person’s skin look younger.
Researchers at the University of Florida found that women who drank two glasses of nonalcoholic muscadine wine daily had greater elasticity and water retention in their skin than those who consumed a placebo.
“We used dealcoholized muscadine wine because we were interested in the effect of the bioactive compounds in wine, specifically the polyphenols, on skin health,” said Lindsey Christman, Ph.D., who conducted the research with Liwei Gu, Ph.D., professor of food chemistry at UF, in a media release.
A loss of elasticity is what causes the skin to begin to sag in the aging process, while water retention helps to provide a barrier against damage.
The study is the first to determine the way nonalcoholic wine consumption can affect skin health in a randomized clinical trial.
Scientists found 17 women between the ages of 40 and 67 and randomly assigned them to drink two glasses daily of dealcoholized muscadine wine or a placebo drink that looked and tasted similar.
The muscadine grape is native to the Southeast and is commonly used to make wine, though it’s also often referred to as a “super fruit” due to its high levels of polyphenols — including anthocyanins, quercetin and ellagic acid — which can help decrease inflammation and oxidative stress.
“Muscadine grapes have been found to have a unique polyphenolic profile in comparison to other red wine varieties,” Christman said.
The placebo drink did not include polyphenols. Participants drank the equivalent of two glasses of the beverage they were assigned daily for six weeks, then took a two-week hiatus before swapping to the opposite drink for an additional six weeks.
Skin conditions and markers of inflammation and oxidative stress were measured at the start of the study as well as at the end of each six-week period.
Researchers found that muscadine wine significantly benefited skin elasticity, as well as decreased water loss at the surface.
“Our study suggests that muscadine wine polyphenols have potential to improve skin conditions, specifically elasticity and transepidermal water loss, in middle aged and older women,” Christman said.
However, they did not find that there was any significant effect on the amount of wrinkles on the skin after the study.
And while there were improvements to skin smoothness and lower levels of inflammation and oxidative stress for the muscadine-drinking group, the difference from the placebo group wasn’t significant in those factors.
“This crossover study demonstrated that six weeks of dealcoholized muscadine wine consumption resulted in improvement of certain skin parameters associated with aging, such as elasticity on the forearm and barrier function of the skin on the face, when compared to baseline and placebo,” Christman explained. “This is likely due to decreases in inflammation and oxidative stress.”
The findings of the study were presented Monday in Boston at Nutrition 2023, an annual meeting of the American Society for Nutrition.
Researchers believe that repeating the study with a larger and more diverse group of people would be a good addition to help strengthen the findings.
They also warned that drinking wine that does contain alcohol — such as muscadine — might not have the same effect, with Christman additionally noting that “the dealcoholization process may alter the chemical composition.”
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