Ask the Experts: Red vs. White Wine Benefits; Powerful Sumac
Q: Is there any difference between red and white wine when it comes to health?
A: There is debate about the benefits of drinking red wine versus white. Comparisons show more similarities than differences, but research has uncovered some interesting clues. A basic nutrient comparison shows each contains the same 127 calories (per 5-ounce glass) and 13 percent alcohol by volume. Vitamin and mineral content in both includes vitamin B6, potassium, iron, and magnesium, but amounts are not significant. Alcohol content and antioxidants like flavonoids and resveratrol (higher in red wine) appear to be the active components in both types of wine; alcohol can raise HDL (“good”) cholesterol, and resveratrol may limit blood clotting, but more research is needed to understand exact mechanisms.
Regardless of color, wine in moderate quantities (one glass for women, two for men) can support better sleep. Though alcohol intake is known to increase risk for cancer (see EN February 2017, page 7, Alcohol and Cancer Risk), emerging research shows that resveratrol may be a cancer-protective agent. Additionally, a recent study shows that white wine supports lung health. The American Heart Association is clear: heart benefits for wine consumption exist, but these are not great enough to recommend that non-drinkers start drinking to lower risk of chronic disease.
—Ellie Wilson, MS, RD
Q: What is sumac, and is it healthy?
A: Many natural spices and seasonings confer more than just good flavor to our food. They may also offer health benefits, primarily because of their antioxidant capacity. Ground sumac, a tart lemony flavored spice used in Middle Eastern cookery, has one of the highest ORAC values (Oxygen Radical Absorbance Capacity), which means it is a powerful antioxidant. Sumac can be used as a dry rub mixed with other spices as well as in marinades and is often just sprinkled over food after it’s cooked. Sumac has traditionally been used as an herbal remedy in the Middle East because of its anti-inflammatory, antimicrobial, antifungal and antiviral properties. Sumac, in sufficient quantities, has also been shown to reduce blood sugar and blood lipids. Preliminary research indicates that sumac may be especially helpful in maintaining blood glucose levels in people with type 2 diabetes. The issue for the typical person, however, is that the amounts used in research are “medicinal” quantities, which far exceed what the normal person would add to her food. The best way to capture health benefits in your diet is to season food liberally with a combination of spices.
—Sharon Salomon, MS, RD
The post Ask the Experts: Red vs. White Wine Benefits; Powerful Sumac appeared first on University Health News.
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