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气相色谱-质谱联用法测定食用油中3-MCPD脂肪酸酯 被引量：7

Determination of 3-MCPD Fatty Acid Esters in Edile Oils by GC-MS
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摘要 本研究在德国油脂科学协会（DGF）标准检测方法的基础上进行方法优化，利用气相色谱-质谱联用（GC-MS）技术，建立了油脂中3-氯-1，2-丙二醇（3-MCPD）脂肪酸酯的分析方法。根据结果可知，该方法线性相关性良好，检出限为0．0225mg／kg，定量限为0．0760mg／kg，线性范围为0．05-5．0mg／kg，回收率为95．36％-101．18％，相对标准偏差为1．36％-8．14％。试验中同时利用该方法对7种常见油脂中3-McPD脂肪酸酯进行了检测。结果表明：该分析方法定性定量准确、灵敏度高、重现性好，能满足油脂中3-MCPD脂肪酸酯分析检测的要求。 An improved analysis method tor testing 3-chloropropane-1,2-diol（3-MCPD）fatty acid esters in oils based on German Society for Fat Science （DGF） standard method has been presented in this study. According to the results, this method has good linear correlation with the limit of detection （LOD） as 0.022 5 mg/kg, limit of quan-tification（LOQ） as 0. 076 0 mg/kg ,linear range as 0.05-5.0 mg/kg; the recovery ranged was 95.36%-101.18% with a relative standard deviation of 1.36%-8.14%. Besides,the 3-MCPD fatty acid esters in seven kinds of com- mercial oils have been detected in order to clarify this method. The results showed that the features of analysis method are excellent in qualitative and quantitative accuracy, high sensitivity and good reproducibility; so it can meet the requiements of 3-MCPD fatty acid esters in oil.
作者 周勇强 李昌 聂少平 谢明勇
机构地区 食品科学与技术国家重点实验室南昌大学
出处 《中国粮油学报》 EI CAS CSCD 北大核心 2014年第3期110-113,128,共5页 Journal of the Chinese Cereals and Oils Association
基金 973计划(2012CB 720805)
关键词 GC-MS 3-MCPD脂肪酸酯油脂 GC-MS ,3-MCPD fatty acid esters, oil
分类号 TS227 [轻工技术与工程—粮食、油脂及植物蛋白工程]
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参考文献12

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共引文献40

同被引文献59

  • 1杨铭铎,邓云,石长波,郑昌江,余善鸣.油炸过程与油炸食品品质的动态关系研究[J].中国粮油学报,2006,21(5):93-97. 被引量：65
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引证文献7

二级引证文献59

中国粮油学报
2014年 第3期

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