However, since β-conglycinin has already been approved for humans as a triglyceride-lowering food in Japan, at 5 g/day, as an ingredient involved in Food for Specified Health Uses (FOSHU) approved by the Consumer Affairs Agency of the Government of Japan, the use of β-conglycinin may be expected to be a promising food factor for improving hypertension. Here, PPIB is linked to hypertensive disorder.