Applied Food Sciences (AFS), Austin, TX, has begun shipments of its Green Coffee Antioxidant (GCA™) product to customers. GCA is an all-natural green coffee bean extract, which contains a minimum of 65% total polyphenol antioxidants, according to the company. GCA contains a number of polyphenols called hydroxycinnamic acids, with the two prominent being cholorogenic and caffeic acid.