A Glass of Wine a Day Can Keep the Dentist Away
A sure sign of any
serious wine taster, or red wine lover, is probably their stained teeth. Red
wine is also linked to acidity that erodes tooth enamel, and alcohol that can
cause dehydration, impairing saliva production. Yet, new studies have revealed
that red wine is antimicrobial, which is a direct contradiction to the
well-known fact that the alcohol in red wine indirectly causes bacteria
overgrowth. So, should you drink red wine or not?
Results of the Study
The antibacterial
properties of red wine are significant enough that people are beginning to take
notice. Researchers have recently revealed that red wine is not only heart
healthy, but also beneficial for dental health by preventing cavities.
Previous studies had
found that grape seed extract, polyphenols, and wine could halt the growth of
bacteria, while other studies had suggested that red wine could also protect
against decay. White wine, on the other hand, was found to be more detrimental
to dental health because of its high acidity, which can erode tooth enamel.
In the new study
published in the Journal of Agricultural and Food Chemistry, researchers –
Victoria Moreno and her colleagues – grew cultures of bacteria known to cause
dental diseases such as biofilm, and then dipped them into different liquids,
including red wine mixed with grape seed extract, alcohol-free red wine, and
water containing 12 percent alcohol, to observe the effects.
The researchers
observed that red wine - irrespective of whether or not it has any alcohol -
and the wine-grape seed extract blend were more likely to eliminate the
bacteria.
Explanation of the Study
According to the
researchers, red wine, seeds, fermented grape stems, and skins left over from
wine production contain a certain compound known as polyphenols that block the
ability of the bacteria strain found in the mouth (Streptococcus mutans) to
make glucans – substances broken down from sugars in the diet.
The glucens are
responsible for making bacteria stick to the teeth and destroy the surfaces.
But with the introduction of polyphenols, the harmful bacteria cannot
manufacture glucans, creating an oral environment where helpful bacteria can
thrive and prevent harmful bacteria from damaging teeth.
Previous research has also shown that cranberries contain similar levels of polyphenols, but
they also contain a lot of sugar, which may counteract the benefits of
polyphenols. Red wine, on the other hand, can stain your teeth, cause
dehydration and excess calories due to the alcohol, or erode your teeth due to
the acidity.
Verdict
A glass of wine a day,
possibly taken with a glass of water in between, can be beneficial, though not
as a substitute for brushing and flossing. A glass of wine should be enjoyed
just as dark chocolate or caffeine: in moderation.
Labels: red wine benefits, wine a day, wine tooth decay