Why This Popular Beverage May Also Support Good Health

For many people a cup of coffee is part of the morning routine with its warming aroma, taste and also, for a quick burst of energy to start the day. But many studies have shown that there’s more to coffee than just caffeine. Unroasted green coffee beans contain plant compounds called chlorogenic acid that have been found to possess antioxidant health properties. Although the process of roasting tends to decrease chlorogenic acid levels, recent research has shown that the amount of chlorogenic acid present in coffee can still provide several health advantages.

The Eye Test of Antioxidants

In a study published in the Journal of Agricultural and Food Chemistry, scientists discovered that the chlorogenic acid found in coffee may help promote a stronger resistance to oxidative stress in the retina, preserving eye sight and protecting it from macular degeneration. The retina is said to be one of the most metabolically active tissues; it needs high levels of oxygen to function, which can make it more prone to oxidative stress.

To test the protective effects of chlorogenic acid, a group of mice were treated with a substance which can generate oxidative stress and damaging free radicals. In the group of mice that were given chlorogenic acid pre-treatment, no retinal damage was found.

“The study is important in understanding functional foods, that is, natural foods that provide beneficial health effects,” said Chang Y. Lee, professor of food science and the study’s senior author. “Coffee is the most popular drink in the world, and we are attempting to understand what benefit we can get from that,” Lee said.

The Green Side of Healthy Weight Management

While chlorogenic acid’s retinal protection properties may be news, it is not the most well-known benefit that can come from coffee, or more specifically unroasted coffee beans. For some time, researchers have studied chlorogenic acid’s positive effects in managing weight, metabolism, and blood sugar levels.

At the 245th National Meeting & Exposition of the American Chemical Society (ACS) Joe Vinson, Ph.D., presented findings from his numerous studies highlighting the benefits of chlorogenic acid. In a weight management study, for example, Vinson gave green coffee bean extract to a group of overweight volunteers over a 22-week period. After 22 weeks the subjects lost 10% of their body weight.

In a more recent study Vinson sought to further investigate the effects that different doses of chlorogenic acid had on 56 adults with normal blood sugar levels. All volunteers were subjected to blood glucose tolerance tests to see how their bodies normally reacted to the sugar. Following the blood sugar tests they were administered various doses (100, 200, 300, or 400 mg) of green coffee bean extract containing chlorogenic acid.

Yet again, Vinson found that green coffee bean extract supplementation produced effective results. “There was a significant dose-response effect of the green coffee extract and no apparent gastrointestinal side effects,” Vinson said. “All doses of green coffee bean extract produced a significant reduction in blood sugar relative to the original blank glucose challenge.”

Perk Up Your Health with Green Coffee Beans

The antioxidant properties of CLA found in green coffee beans have been shown to help protect eye health, but the benefits don’t stop there. It’s also been clinically shown to promote weight management and balanced blood sugar. As more research and studies are conducted, other potential health benefits of green coffee beans may also be uncovered, so keep your eyes open for future developments.

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One comment on “Why This Popular Beverage May Also Support Good Health

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