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    • 1. 发明授权
    • Black soybean hull extract, method for obtaining, and use thereof
    • 黑豆皮提取物,其获得方法和用途
    • US08206764B2
    • 2012-06-26
    • US12908121
    • 2010-10-20
    • Yanmei LiFengying ZhouXiarui Dou
    • Yanmei LiFengying ZhouXiarui Dou
    • A61K65/20A61K36/00
    • A61K36/48A23L11/09A23L33/105A23V2002/00C12Y302/01004A23V2250/2104A23V2200/02
    • Methods for preparing black soybean hull extracts and uses thereof. The methods can comprise: (1) extracting crushed black soybean hull with aqueous solution containing enzyme and filtering the extracted liquid; (2) ultrafiltration of the extract liquid with an ultrafiltration membrane; (3) absorbing the ultrafiltration liquid with an absorption resin or an ion exchange resin, and elution with ethanol to obtain purified extract liquid; (4) concentrating the purified extract liquid under vacuum; (5) spray drying the concentrated liquid. The extract can contain: 10-45% of cyanidin, 10-25% of catechin, and 40-80% of OPC, and with a total polyphenol content as high as 70-100%. The extract can be used for preparing drugs or food containing antioxidants, or used for improving metabolic syndrome or eyesight.
    • 黑豆皮提取物的制备方法及其用途。 该方法可以包括:(1)用含酶水溶液提取粉碎的黑豆皮,过滤提取液; (2)用超滤膜超滤提取液; (3)用吸收树脂或离子交换树脂吸收超滤液,用乙醇洗脱得到纯化的提取液; (4)真空浓缩纯化的提取液; (5)喷雾干燥浓缩液体。 提取物可以含有10-45%的花青素,10-25%的儿茶素和40-80%的OPC,总多酚含量高达70-100%。 提取物可用于制备药物或含有抗氧化剂的食品,或用于改善代谢综合征或视力。