Used coffee grounds are a rich source of healthful antioxidants

Wednesday, January 9, 2013 - 12:00 in Mathematics & Economics

To plant food, insect repellant and other homespun uses for spent coffee grounds, scientists are adding an application that could make the gunk left over from brewing coffee a valuable resource for production of dietary supplements. A new report concludes that used coffee grounds are a rich source of healthful antioxidant substances.

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