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Wed, Nov 13, 2019 4:30 PM
Tue, Oct 15, 2019 7:07

Can coffee bean extracts cut fat-induced inflammation?

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A new study suggests that unused coffee bean extracts can help reduce fat-induced inflammation in the cells and improve glucose absorption and insulin sensitivity.

A new study suggests that unused coffee bean extracts can help reduce fat-induced inflammation in the cells and improve glucose absorption and insulin sensitivity. As per the food science and human nutrition researchers at the University of Illinois, when coffee beans are processed and roasted, the husk and silverskin of the bean which are removed and unused — and often left behind in fields by coffee producers — can help in alleviating chronic diseases.

Inflammation-fighting phenolic compounds — protocatechuic acid and gallic acid — are found in the silverskin and husk of coffee beans.

 “This material from coffee beans is interesting mainly because of its composition. It’s been shown to be non-toxic. And these phenolics have a very high anti-oxidant capacity,” said Elvira Gonzalez de Mejia, Professor of food science and co-author of the study published in Food and Chemical Toxicology.

When fat cells of mice were treated with water-based extracts from coffee beans skins, the phenolic compounds reduced fat-induced inflammation in the cells and improved glucose absorption and insulin sensitivity.

The findings show promise for these bioactive compounds, when consumed as part of the diet, as a strategy for preventing obesity-related chronic illnesses, such as Type 2 diabetes and cardiovascular disease.

For the study, the fat cells and immune cells were cultured together to recreate the ‘real-life’ interaction between the two cells.

When obesity-related inflammation is present, the fat cells and immune cells work together — stuck in a loop — to increase oxidative stress and interfere with glucose uptake, worsening the situation.

In order to block this loop and prevent chronic disease, the researchers’ goals are to eliminate or reduce as much inflammation as possible in order to allow glucose uptake to be facilitated, as well as to have healthy cells that will produce adequate insulin.

The researchers also stressed on the positive impact of using coffee bean by-products on the environment.

During coffee processing, the bean is separated from the husk (which is the outer layer of the bean). After the bean is roasted, the silverskin layer is separated.

“It’s a huge environmental problem because when they separate this husk after processing, it usually stays in the field fermenting, growing mold, and causing problems,” explained de Mejia.

Worldwide, 1,160,000 tonnes of husk are left in fields per year, potentially causing contamination.

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