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Weight and Obesity Functional Foods Nutrition

Post-Meal Coffee Changes Metabolic Markers

5 years, 5 months ago

10182  0
Posted on Jan 16, 2017, 6 a.m.

When enjoyed after a meal, coffee – in particular, its polyphenols – may increase levels of an appetite-regulating hormone, improve blood sugar levels, and boost endothelial function.

Coffee contains a number of compounds – most notably, polyphenols that numerous previous studies suggest exert beneficial effects for metabolic and cardiovascular disorders.  Japanese researchers enrolled 19 healthy men in a study in which each subject was given a test meal with a polyphenol-rich coffee drink (365 mg of chlorogenic acids), or placebo drink; subjects later crossed over to the other intervention.  Testing 3hours after the meal revealed that the coffee polyphenol beverage lowered blood glucose significantly, and increased flow mediated dilation (FMD) – a marker of blood flow and vascular health.  As well, the coffee polyphenol beverage increased post-meal levels of an appetite-regulating hormone (GLP1).  The study authors write that: "these results suggest that coffee polyphenol consumption improves postprandial hyperglycemia and vascular endothelial function, which is associated with increased GLP-1 secretion and decreased oxidative stress in healthy humans.”

Hiroko Jokura, Isamu Watanabe, Mika Umeda, Tadashi Hase, Akira Shimotoyodome.  “Coffee polyphenol consumption improves postprandial hyperglycemia associated with impaired vascular endothelial function in healthy male adults.”  Nutr Res., August 4, 2015.

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