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发明授权
US09102613B2 Method for producing sorbic anhydride and also use thereof as a preservative in foods 有权
生产山梨酸酐的方法，也可用作食品中的防腐剂

Method for producing sorbic anhydride and also use thereof as a preservative in foods
摘要：
A method is described for the production of sorbic anhydride, in which alkali metal or alkaline earth metal salts of sorbic acid are reacted with phosgene in an inert organic solvent. In addition, use thereof as a preservative in foods, in particular drinks, is described.
摘要（中）：

描述了一种制备山梨酸酐的方法，其中山梨酸的碱金属或碱土金属盐与光气在惰性有机溶剂中反应。 此外，描述了在食品，特别是饮料中作为防腐剂的用途。

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