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|Section2= |Section3= }} Calcium benzoate refers to the calcium salt of benzoic acid. When used in the food industry as a preservative, its E number is E213 (INS number 213); it is approved for use as a food additive in the EU,〔UK Food Standards Agency: (【引用サイトリンク】title=Current EU approved additives and their E Numbers )〕 USA and Australia and New Zealand.〔Australia New Zealand Food Standards Code(【引用サイトリンク】title=Standard 1.2.4 - Labelling of ingredients )〕 The formulas and structures of calcium carboxylate derivatives of calcium and related metals are complex. Generally the coordination number is eight and the carboxylates form Ca-O bonds. Another variable is the degree of hydration.〔H. Einspahr and C. E. Bugg "The geometry of calcium carboxylate interactions in crystalline complexes" Acta Cryst. (1981). B37, pages 1044-1052. 〕 ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「calcium benzoate」の詳細全文を読む スポンサード リンク
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