To provide a vasorelaxant from food that has few side effects and is safe for hypertension patients and healthy persons said to have prehypertension. The problem is also to provide foods and beverages including this composition and foods and beverages such as health foods, functional foods, and health supplements. An extract of yeast is used as an active ingredient. A yeast extract obtained by a simple procedure consisting of hot-water treatment, acid or alkali treatment, and enzyme treatment of yeast was discovered to have a superior vasorelaxing effect as a yeast extract.提供高血壓患者、被稱為高血壓危險群之健康者副作用少且來自安全食物之血管鬆弛劑。更一步地以提供含有該組成物之飲食品、健康食品、機能性食品、健康輔助食品等之食品類、飲料類為課題。 以酵母之萃取物作為有效成分。就酵母萃取物而言，發現藉由將酵母進行熱水處理、酸或鹼處理、及酵素處理之簡單操作而獲得之酵母萃取物具有更優良之血管鬆弛作用。
