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Fight Cavities and Gum Disease, Drink More Red Wine?

Oral Health

Fight Cavities and Gum Disease, Drink More Red Wine?

Evidence suggests sipping wine may be good for your colon and heart, possibly because of the beverage’s abundant and structurally diverse polyphenols. Now researchers report in ACS’ Journal of Agricultural and Food Chemistry wine polyphenols might also be good for your oral health.

The Study

Traditionally, some health benefits of polyphenols have been attributed to the fact these compounds are antioxidants, meaning they likely protect the body from harm caused by free radicals. However, recent work indicates polyphenols might also promote health by actively interacting with bacteria in the gut. This makes sense because plants and fruits produce polyphenols to ward off infection by harmful bacteria and other pathogens. M. Victoria Moreno-Arribas and colleagues wanted to know whether wine and grape polyphenols would also protect teeth and gums, and how this could work on a molecular level.

The Results

The researchers checked out the effect of two red wine polyphenols, as well as commercially available grape seed and red wine extracts, on bacteria that stick to teeth and gums and cause dental plaque, cavities and periodontal disease. Working with cells modeling gum tissue, they found the two wine polyphenols in isolation — caffeic and p-coumaric acids — were generally better than the total wine extracts at cutting back on the bacteria’s ability to stick to the cells. When combined with the Streptococcus dentisani, which is believed to be an oral probiotic, the polyphenols were even better at fending off the pathogenic bacteria. The researchers also showed metabolites formed when digestion of the polyphenols begins in the mouth might be responsible for some of these effects.

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