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    • 4. 发明授权
    • Aglucone isoflavone enriched vegetable protein extract and protein
material, and high genistein and daidzein content materials and process
for producing the same
    • 富含肌苷异黄酮的植物蛋白提取物和蛋白质材料,高染料木黄酮和黄豆苷原含量的材料及其制备方法
    • US5726034A
    • 1998-03-10
    • US709026
    • 1996-09-06
    • Barbara A. BryanMaryann C. Allred
    • Barbara A. BryanMaryann C. Allred
    • C12P17/16A23J3/14A23J3/16A23L11/00A23L11/30A61K31/35A61K31/352C07D311/36C07K14/415C12P17/06C21P21/06A61K35/78C12N9/24A61K31/337
    • C12P17/06A23J3/14A23J3/16A23L11/07A23L11/33A23L11/34
    • An aglucone is isoflavone enriched vegetable protein extract and protein material are provided, as well as a high genistein content material and a high daidzein content material. Isoflavone conjugates in a vegetable material are converted to isoflavone glucosides by treating the vegetable material at a temperature and a pH for a period of time sufficient to effect the conversion. The isoflavone glycosides are converted to glucose isoflavones by enzymatic reaction. The vegetable material is extracted with an aqueous extractant having a pH above about the isoelectric point of protein in the vegetable material to extract protein and the isoflavones either before or after conversion of the isoflavone conjugates to isoflavone glucosides or the conversion of the isoflavone glucosides to aglucone isoflavones. An aglucone isoflavone enriched protein material is produced by precipitating the protein and aglucone isoflavones from the extract. A high genistein content material or a high daidzein content material may be produced from the aglucone isoflavone enriched protein extract or aglucone isoflavone enriched protein material by separating the high genistein or high daidzein content material from the extract or protein material.
    • 配基是富含异黄酮的植物蛋白提取物和蛋白质材料,以及高染料木黄酮含量的材料和高黄豆苷原含量的材料。 将植物材料中的异黄酮共轭物通过在温度和pH下处理植物材料一段足以实现转化的时间转化为异黄酮糖苷。 异黄酮糖苷通过酶反应转化成葡萄糖异黄酮。 植物材料用pH高于植物原料蛋白质等电点的水提取剂提取,以在将异黄酮共轭物转化为异黄酮糖苷之前或之后提取蛋白质和异黄酮,或将异黄酮糖苷转化成配基 异黄酮 通过从提取物中沉淀蛋白质和配基异黄酮产生富含配基异黄酮的蛋白质材料。 通过从提取物或蛋白质材料中分离高染料木黄酮或高黄豆苷原含量的材料,可以从富含配基异黄酮的蛋白质提取物或富含配基异黄酮的蛋白质材料中产生高染料木黄酮含量的材料或高黄豆苷原含量的材料。
    • 6. 发明授权
    • Isoflavone rich protein isolate and process for producing
    • 富含异黄酮的蛋白质分离和生产过程
    • US6013771A
    • 2000-01-11
    • US93750
    • 1998-06-09
    • Jerome L. ShenBalagtas F. GuevaraFrank E. SpadaforaBarbara A. Bryan
    • Jerome L. ShenBalagtas F. GuevaraFrank E. SpadaforaBarbara A. Bryan
    • A23C11/10A23J1/00A23L1/30A23J1/14A23L2/38
    • A23J1/006A23C11/106A23L33/105
    • A process for providing an isoflavone rich protein isolate is provided, along with the isoflavone rich protein isolate produced thereby. A vegetable material containing protein and at least one isoflavone compound is extracted with an aqueous extractant having a pH above the isoelectric point of the protein, and preferably an alkaline pH. The protein and isoflavones are extracted into the extractant, and the extractant containing the protein and isoflavones is separated from insoluble vegetable protein materials to form a protein extract. The pH of the protein extract is adjusted to about the isoelectric point of the protein to precipitate the protein. The extract containing the precipitated protein is cooled to a temperature of about 40.degree. F. to about 80.degree. F., and then the protein is separated from the extract. Washing of the separated protein is avoided, or, is conducted with minimum amounts of water. The cool separation temperatures and the low wash conditions unexpectedly significantly increase the concentration of isoflavones recovered in the separated protein.
    • 提供了富含异黄酮的蛋白质分离物的方法,以及由此产生的富含异黄酮的蛋白质分离物。 含有蛋白质和至少一种异黄酮化合物的植物材料用pH高于蛋白质等电点的含水萃取剂提取,优选碱性pH。 将蛋白质和异黄酮提取到提取剂中,将含有蛋白质和异黄酮的提取物与不溶性植物蛋白质材料分离,形成蛋白质提取物。 将蛋白质提取物的pH调节至蛋白质的等电点以沉淀蛋白质。 将含有沉淀蛋白质的提取物冷却至约40°F至约80°F的温度,然后将蛋白质与提取物分离。 避免分离的蛋白质的洗涤,或者用最少量的水进行洗涤。 冷分离温度和低洗涤条件意外地显着增加了分离的蛋白质中回收的异黄酮的浓度。