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Hot brew coffee has higher levels of antioxidants than cold brew

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In a new analysis, Jefferson (Philadelphia University + Thomas Jefferson University) researchers discovered chemical differences between warm and cold brew coffee that may have health effects. In particular, the investigators discovered that hot-brewed java has high levels of antioxidants, which are thought to be responsible for a number of the health benefits of coffee.

The analysis, published Oct. 30 in Scientific Reports, also discovered that the pH levels of both hot and cold coffee were similar, ranging from 4.85 into 5.13 for all coffee samples examined. Coffee companies and lifestyle sites have tended to sew cold brew coffee as being more acidic compared to hot coffee and thus less likely to cause gastrointestinal or gastrointestinal problems.

The research was performed by Niny Rao, PhD, associate professor of chemistry, and Megan Fuller, PhD, assistant professor of chemistry, the two of them coffee drinkers that wondered if the chemical make-up of cold brew differed from that of hot coffee.

While the prevalence of cold brew coffee has surged in recent years — that the U.S. economy grew 580 percent from 2011 to 2016 — they discovered hardly any studies on cold brew, which is a no-heat, long-steeping procedure of preparation. At precisely exactly the identical time, there is well-documented study that hot-brewed java has some measurable health benefits, including lower risk of certain cancers, diabetes and depression.

While the total pH levels were comparable, Fuller and Rao found that the hot-brewed coffee method had more total titratable acids, which could be responsible for the hot cup higher antioxidant levels.

“Coffee has a lot of antioxidants, even should you drink it in moderation, even study suggests it can be quite great for you,” Fuller explained. “We discovered that the hot beverage has more antioxidant ability .”

And contemplating hot and cold brews have comparable pH degrees, Rao said, java drinkers should not contemplate cold brew a”silver bullet” for avoiding gastrointestinal distress.

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