| 浅析乳制品中脂肪酸类营养强化剂检测方法 |
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| 引用本文： | 丁红梅,陈彬,张霞,杨兴龙. 浅析乳制品中脂肪酸类营养强化剂检测方法[J]. 中国乳品工业, 2012, 40(9): 46-47 |
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| 作者姓名： | 丁红梅 陈彬 张霞 杨兴龙 |
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| 作者单位： | 南通市产品质量监督检验所,江苏南通,226011 |
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| 基金项目： | 国家质量技术监督检验检疫总局科技项目(2010QK174);江苏省南通市科技项目(S2010004) |
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| 摘 要： | 本文将乳制品经酸水解后,利用乙醇-乙醚-石油醚提取脂肪酸,在碱性条件下进行甲基化反应,用气相色谱-质谱法测定出添加的7种脂肪酸类营养强化剂。本检测方法前处理简单快捷,易于操作,方法重现性良好,其RSD可达0.82%～1.78%;回收率可达89.9%～103.6%;灵敏度高,检测限为0.1 mg/kg。
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| 关 键 词： | 乳制品 脂肪酸类营养强化剂 检测 |
Detection of fatty acids nutrition enhancer in dairy products |
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| DING Hong-mei , CHEN Bin , ZHANG Xia , YANG Xing-long. Detection of fatty acids nutrition enhancer in dairy products[J]. China Dairy Industry, 2012, 40(9): 46-47 |
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| Authors: | DING Hong-mei CHEN Bin ZHANG Xia YANG Xing-long |
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| Affiliation: | (Nantong Bureau of Produce Quality Supervision and Testing,Nantong 226011,China) |
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| Abstract: | In this paper dairy products after acid hydrolysis,fatty acid were extracted by alcohol ether-petroleum ether,in alkaline conditions were methylated,with gas chromatography-mass spectrometry method for the determination of fatty acids nutrition enhancer.The detection method was good at simple and quick detection,easy operation,the method has good reproducibility,with RSD of 0.82% to 1.78%;recovery rate of 89.9% to 103.6%;high sensitivity and a detection limit of 0.1 mg/kg. |
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| Keywords: | Dairy products Fatty acids Nutrition Enhancer Detection. |
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