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公开(公告)号:US5213833A
公开(公告)日:1993-05-25
申请号:US361831
申请日:1989-06-02
申请人: Nobuo Yamada , Taku Wada , Yoshio Iwai , Takafumi Sano , Mituo Kanaoka , Misao Kashiwamata
发明人: Nobuo Yamada , Taku Wada , Yoshio Iwai , Takafumi Sano , Mituo Kanaoka , Misao Kashiwamata
IPC分类号: A23B4/20 , A23L3/3463 , A23L3/3472
CPC分类号: A23B4/20 , A23L3/3463 , A23L3/3472
摘要: Foodstuffs, especially sea food, may be preserved by means of a preserving agent comprising an extract of tea leaves. In accordance with the invention, the extract is employed in admixture with a polyhydroxy compound and an organic acid. Alternatively, the extract may be extracted from the tea leaves using an acidic aqueous extracting solution comprising said polyhydroxy compound and said organic acid.
摘要翻译: 食品,特别是海产食品,可以通过包含茶叶提取物的防腐剂来保存。 根据本发明,提取物与多羟基化合物和有机酸混合使用。 或者,可以使用包含所述多羟基化合物和所述有机酸的酸性提取水溶液从茶叶中提取提取物。