Chlorogenic Acid
About Chlorogenic Acid
Chlorogenic acid is a phenolic compound formed from caffeic acid and quinic acid, and the name is also used more broadly for a family of related esters. It is one of the most abundant polyphenols in the human diet, with coffee being the dominant source for many people, and it is also found in apples, pears, blueberries, potatoes, eggplant and artichokes. Roasting coffee beans breaks down much of their chlorogenic acid, so unroasted green coffee contains considerably more. In laboratory and animal studies chlorogenic acid shows antioxidant activity and effects on glucose and lipid metabolism, and it has been proposed as one contributor to the association between coffee drinking and lower risk of type 2 diabetes. Green coffee bean extract, rich in chlorogenic acid, became a popular weight loss supplement after media promotion, but a widely cited study supporting it was retracted and the US Federal Trade Commission took action against marketers. Evidence in humans remains limited.
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