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2. 发明公开

EP0436266A1 Process for the production of gelatin from fish skins 失效
标题翻译： Verfahren zur Herstellung von Gelatine aus Fischhaut。
公开(公告)号：EP0436266A1
公开(公告)日：1991-07-10
申请号：EP90300022.2
申请日：1990-01-02
申请人： BAR ILAN UNIVERSITY
发明人： Grossman, Shlomo , Bergman, Margalit
IPC分类号： C09H3/02
CPC分类号： C09H3/00 , C09H3/02 , Y10S530/857
摘要： A process for the production of gelatin from fish skins comprises the steps of: (a) cleaning the skins in order to remove therefrom substantially all superfluous material; (b) treating with dilute aqueous alkali; (c) washing with water until the washing water is substantially neutral; (d) treating with dilute aqueous mineral acid; (e) washing with water until the washing water is substantially neutral; (f) treating with dilute aqueous citric acid and/or another suitable organic acid; (g) washing with water until the washing water is substantially neutral; and (h) extracting with water at elevated temperatures not above about 55 o C, the washed citric/other organic acid-treated skins. In practice, the present process employs much lower temperatures than known heretofore for the treatment steps, which results in a high quality product (e.g. absence of a fishy smell), compared with the prior art.
摘要翻译：从鱼皮生产明胶的方法包括以下步骤：（a）清洁皮肤以便从其中除去基本上所有的多余材料; （b）用稀碱水处理; （c）用水洗涤直到洗涤水基本上为中性; （d）用稀无机酸水溶液处理; （e）用水洗涤直到洗涤水基本上为中性; （f）用稀柠檬酸水溶液和/或其它合适的有机酸处理; （g）用水洗涤直到洗涤水基本上为中性; 和（h）在不高于约55℃的高温下用水萃取，洗涤的柠檬酸/其它有机酸处理的皮肤。在实践中，与现有技术相比，本方法使用的温度比迄今为止已知的处理步骤低得多，这导致高质量的产品（例如不存在鱼腥味）。

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