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1. 发明申请

WO1995020037A1 PRODUCT AND PROCESS OF PURIFIED ISO-ALPHA-ACID CONCENTRATES 审中-公开
标题翻译：纯化的ISO-ALPHA-ACID浓度的产品和方法
公开(公告)号：WO1995020037A1
公开(公告)日：1995-07-27
申请号：PCT/US1994013732
申请日：1994-11-30
申请人： COORS BREWING COMPANY
发明人： COORS BREWING COMPANY , FOSTER, Robert, T., II
IPC分类号： C12C03/08
CPC分类号： C12C5/026 , C12C3/08 , C12C3/12 , C12C9/025
摘要： A specialized process for producing purified iso-alpha-acids from hop extract. Hop extract is first combined with a metal salt isomerizing agent. The mixture is preferably boiled to ensure complete isomerization. First organic and aqueous phases are produced, followed by washing of the first organic phase with a primary acid. These materials are preferably boiled during washing. A second organic and aqueous phase are produced, with the second organic phase being washed with a primary alkaline washing agent. Optimum results are achieved if boiling tempertures are maintained during washing. Third organic and aqueous phases are then produced, with the third aqueous phase being washed using a secondary acid to generate fourth organic and aqueous phases. The fourth organic phase (containing purified iso-alpha-acids) may then be stored and subsequently treated with a secondary alkaline washing agent to produce an aqueous concentrate used in brewed beverage production.
摘要翻译：从啤酒花提取物生产纯化的异α-酸的专门方法。啤酒花提取物首先与金属盐异构化剂组合。混合物优选煮沸以确保完全异构化。产生第一有机相和水相，然后用一次酸洗涤第一有机相。这些材料优选在洗涤期间煮沸。产生第二有机相和水相，第二有机相用一次碱性洗涤剂洗涤。如果在洗涤过程中保持沸腾温度，则可达到最佳效果。然后产生第三有机相和水相，用第二酸洗涤第三水相以产生第四有机相和水相。然后可以储存第四有机相（含有纯化的异-α酸），随后用二次碱性洗涤剂处理以产生用于酿造的饮料生产中使用的含水浓缩物。

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