| 氨基酸分析仪测定含乳饮料中游离甘氨酸的方法研究 |
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| 引用本文： | 冯志强,周兴起,庄俊钰. 氨基酸分析仪测定含乳饮料中游离甘氨酸的方法研究[J]. 现代食品科技, 2007, 23(7): 89-91 |
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| 作者姓名： | 冯志强 周兴起 庄俊钰 |
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| 作者单位： | 1. 广东省食品质量监督检验站,广东,广州,510308
2. 广东省食品工业公共实验室,广东,广州,510308 |
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| 摘 要： | 本文用氨基酸分析仪测定含乳饮料中游离甘氨酸含量,研究了样品预处理方法和仪器色谱分离条件.测得含乳饮料中游离甘氨酸的含量,从而对含乳饮料中是否添加甘氨酸进行分析,此方法具有较好的重现性,添加标准的回收率为98.8 %～101.7 %,方法精密度为0.53 %.
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| 关 键 词： | 甘氨酸 氨基酸分析仪 含乳饮料 |
| 文章编号： | 1673-9078（2007）07-0089-03 |
| 收稿时间： | 2007-05-24 |
| 修稿时间： | 2007-05-24 |
Study on the Amino Acids Analysis Direct System for Determining the Content of Free-Glycin in Dairy Drinks |
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| FENG Zhi-qiang,ZHOU Xing-qi,ZHUANG Jun-yu. Study on the Amino Acids Analysis Direct System for Determining the Content of Free-Glycin in Dairy Drinks[J]. Modern Food Science & Technology, 2007, 23(7): 89-91 |
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| Authors: | FENG Zhi-qiang ZHOU Xing-qi ZHUANG Jun-yu |
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| Affiliation: | 1.Guangdong Food Quality Supervision and Inspection Station, Guangzhou 510308, China;2.Guangdong Provincial Public Laboratory of Food Industry, Guangzhou 510308, China |
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| Abstract: | The amino acid analysis direct system was used to test the free-glycin in dairy drinks, and the methods for sample pretreatment and chromatographic parameters were studied in this paper. The test results were to analysis whether the dairy drinks had free-glycin added. The method is convenient, accurate and practical, the recovery rate was 98.8 %-101.7 %, RSD was 0.53 %. |
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| Keywords: | free-glycin amino-acid analyzer dairy drinks |
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