Antihypertensive compositions, the use of materials for lowering the blood pressure, and a method of lowering blood pressure. Furthermore, antihypertensive composition, the use of materials for suppressing an increase in blood pressure, and a method of suppressing the rise in blood pressure provided.
Heat treatment of the plant-derived peptide was found to have a hypotensive action. Accordingly, the present invention is to provide prevention or amelioration or hypertension, stroke, heart disease, and a new means for the prevention or amelioration of various diseases caused by hypertension renal failure or the like.