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食品中山梨酸的比色测定

Colorimetric determination of sorbic acid （C₅H₇COOH） in food

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【Author】 MA Shu-hui~1,ZHANG Chang-shui~1,JIN Chun-xue~2 (1. College of Chemical Engineering &Pharmaceutical,Henan University of Science &Technology, Luoyang 471003,China; 2.College of Chemistry and Chemical Engineering,Xinyang Normal University,Xinyang 464000,China)

【机构】河南科技大学化工与制药学院；信阳师范学院化学化工学院河南洛阳471003；河南洛阳471003；河南信阳464000；

【摘要】以Fe( )为氧化剂,用分光光度法测定了食品、饮料中的山梨酸含量.方法简便、选择性好,共存物对测定无影响.对实际样品进行测定,并做加标回收试验,山梨酸回收率为96.9%～102%.更多还原

【Abstract】 The concentration of sorbic acid in food and beverages were determined by spectrophotometry with Fe(Ⅲ) as oxidizing agent.The proposed method was applied to real-world samples with no interference of coexistent substance.The recovery of sorbic acid are 96.9%~102%.更多还原