Davisco Foods International, Inc., of Le Sueur, MN, the world's leading producer of whey protein isolate, announced here today the results from a clinical study on the effects of whey protein hydrolysates on conscious, unrestrained spontaneously-hypertensive rats (SHR).Results indicated that single oral administration of BioZate(TM), at doses of 75 or 150mg/kg, significantly reduced mean arterial blood pressure from 1 to 7 hours after administration.