| 摘要 |
PROBLEM TO BE SOLVED: To obtain the subject tea beverage for prevention and treatment, etc., of suppression of blood glucose level, diabetes mellitus, hypertension, arteriosclerosis and obesity, etc., having a pH value within a specific acidic range in water solution state and suppressing decomposition of starch to sugar by blending an amylase inhibitor. SOLUTION: This tea beverage contains an amylase inhibitor. The tea beverage is obtained by dissolving powdery wheat tea, etc., in water at 25 deg.C, adding an amylase inhibitor having an amino acid sequence separated from wheat flour and expressed by the formula so as to be >=2000V/ml based on total weight of an aqueous solution of, tea beverage before blending the amylase inhibitor, stirring these components to afford the wheat tea beverage containing amylase inhibitor (having pH6.5), adding at least one kind of acid selected from lactic acid, citric acid, tartaric acid, malic acid, acetic acid, ascorbic acid, etc., as a pH adjuster thereto and controlling pH in a state of water solution to a range of 3.8 to 5.4. The tea beverage suppresses decomposition of starch to sugar and is effective for preventing and treating blood glucose level, diabetes mellitus, hypertension, arteriosclerosis and obesity, etc. |
