alpha-amylase activity inhibitors

摘要

The present invention relates to an alpha-amylase activity inhibitor, and to food and beverages comprising the alpha-amylase activity inhibitor. The alpha-amylase activity inhibitor of the present invention exhibits remarkably excellent alpha-amylase inhibitory activity as compared with guava extract. Accordingly, food and beverages containing the alpha-amylase activity inhibitor are diet food and beverages suitable for people of high blood-sugar level or hyderlipidemia.