GLUCAGON-LIKE PEPTIDE-1 SECRETAGOGUE, GLUCAGON-LIKE PEPTIDE-1 SECRETAGOGUE FOOD OR DRINK, INHIBITOR OF POSTPRANDIAL RISE IN BLOOD GLUCOSE, AND INHIBITORY FOOD OR DRINK OF POSTPRANDIAL RISE IN BLOOD GLUCOSE

摘要

The invention relates to a GLP-1 secretagogue and an inhibitor of postprandial rise in blood glucose, containing &kgr;-casein as an active ingredient, and a food or drink for promoting GLP-1 secretion and an inhibitory food or drink of postprandial rise in blood glucose, containing a milk-derived casein protein wherein &kgr;-casein accounts for 60% by mass or more of the milk-derived casein.