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For coffee lovers, the change of season often brings a change of morning java habits. The days are getting shorter and the cups of coffee are steaming ice and cold, and (let's face it) even the pumpkin taste. Both provide your indispensable caffeine, of course, but a new study suggests that hot coffee could make one forget the cold-brewed variety in the health department.
In the new study published in the journal Scientific Reports researchers at Thomas Jefferson University in Philadelphia compared the acidity and antioxidant activity of hot and cold brewed coffee. The good news for hot coffee? It showed higher levels of antioxidant activity. As a reminder, antioxidants would be involved in some of the well-known benefits of coffee consumption, including a lower risk of heart disease, diabetes and premature death.
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"In moderation, research shows that [coffee] can be very good for you," said in a statement the co-author of the study, Megan Fuller, incumbent. a Ph.D. in chemistry chemistry at Jefferson. "We discovered that the hot beverage had more antioxidant capacity."
Still and Fuller, co-author, Niny Rao, PhD, badociate professor of chemistry, wrote in their article: "Further research is needed to fully understand the possible differences in the health effects of coffee depending on the temperature and brewing temperature. "
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Fuller and Rao also found that the acidity of Hot and cold brewed coffee were quite similar. Historically, cold infusions have often been considered less acidic than warm infusions, and therefore softer for the stomach. But in the new study, the pH levels of hot and cold brewed coffee samples all fell between 4.85 and 5.13. Given these numbers, Rao said in his statement that Joe's cold goblets should not be considered the miracle solution to caffeine without gastrointestinal distress.
But do not worry, brave cold brewers. Your favorite drink always contains antioxidants, as well as other health-friendly polyphenols and minerals that are also found in hot foods. And cold brewing even has some benefits: Many people find cold coffee tastier, which means you'll be less tempted to charge it with fat or calories in the form of cream, milk or sugar, Frank Hu, MD , PhD, Professor of Epidemiology and Nutrition at Harvard TH Health in a previous interview
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