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固绿褪色光度法测定食品中痕量没食子酸丙酯

谢宇奇 凌绍明 李子彬

粮油食品科技Issue(6):92-95,4.
粮油食品科技Issue(6):92-95,4.

固绿褪色光度法测定食品中痕量没食子酸丙酯

Fading spectrophotometric method for the determination of trace propyl gallate in food with FCF -fenton system

谢宇奇 1凌绍明 1李子彬1

作者信息

  • 1. 百色学院 化学与环境工程学院,广西 百色 533000
  • 折叠

摘要

Abstract

Based on gallic acid ester (PG)of Fenton reagent oxidation solid green fade has obvious inhib-itory effect principle,A new method of determination of PG in food was established using spectrophoto-metric method.The influence of the solid green consumption and other factors on the system were stud-ied,the experimental conditions were optimized .In selected experimental conditions,the method of lin-ear regression equation for delta rho △A625nm =59.328ρ+0.008 5,the correlation coefficient (R2 )of 0.995 2,the linear range of 8.3 ×10 -4 ~1.6 ×10 -2 mg/mL,detection limit of 9.8 ×10 -5 mg/mL. Method used in the determination of food in PG,the determination results of RSD was 3.4%,the recov-ery in 96.25%~103.3%.

关键词

分光光度法/没食子酸丙酯/固绿 FCF/Fenton 试剂

Key words

Spectrophotometry/Propyl gallate/Fast green FCF/Fenton reagent

分类

轻工纺织

引用本文复制引用

谢宇奇,凌绍明,李子彬..固绿褪色光度法测定食品中痕量没食子酸丙酯[J].粮油食品科技,2015,(6):92-95,4.

基金项目

桂林区域生态环境分析和污染控制重点实验室资助项目;广西教育厅高校科学技术研究项目 ()

粮油食品科技

1007-7561

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