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    • 2. 发明专利
    • BEAN CURD HAVING HIGH AGLYCONE RATIO OF ISOFLAVONE
    • JPH11169127A
    • 1999-06-29
    • JP36253697
    • 1997-12-15
    • TAISHI FOODS
    • KUDO SHIGEO
    • A23L11/00A23L1/20
    • PROBLEM TO BE SOLVED: To increase the aglycone weight ratio in the total isoflavone in a bean curd and obtain a bean curd having high bioavailability of isoflavone and high physiological function to prevent the occurrence of diseases, etc., by specifying the production condition of bean curd. SOLUTION: A bean curd having an aglycone weight ratio of >=10% based on the total isoflavone is produced by immersing dried soybean at 25-65 deg.C which is higher than the temperature of conventional method, leaving the ground soybean for 30 min to 3 hr which is longer than conventional method, adjusting the hydration temperature, leaving the product at rest at 25-65 deg.C which is higher than the temperature of conventional method, adding 0.1-0.5 U/ml, of an enzyme having β-glucosidase activity to the produced soya milk and heating the mixture at 10-65 deg.C for 30 min to 2 hr. A bean curd having an aglycone ratio of >=50% based on the total weight of isoflavone can be produced by grinding soybean at a water temperature of 25-65 deg.C, heating the ground bean for 2 hr, adding 0.5 U/ml of refined β-glucosidase to the soya milk and maintaining at 10-65 deg.C for >=1 hr.