| 未衍生毛细管气相色谱法直接测定金思力胶囊中α-亚麻酸的含量 |
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| 引用本文： | 宋萍,王巧娥,丁明玉. 未衍生毛细管气相色谱法直接测定金思力胶囊中α-亚麻酸的含量[J]. 安徽农业科学, 2007, 35(15): 4402-4403 |
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| 作者姓名： | 宋萍 王巧娥 丁明玉 |
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| 作者单位： | 青海民族学院化学系,青海西宁,810007;清华大学化学系生命有机磷化学及化学生物学教育部重点实验室,北京,100084 |
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| 摘 要： | 建立了未衍生毛细管气相色谱法直接测定金思力胶囊中α-亚麻酸含量的方法。结果表明,在0.541～109.7 ng,峰面积A与α-亚麻酸的质量m呈良好的线性关系,相关系数为0.999 7(n=7)。同一对照品溶液连续进样6次时,峰面积的相对标准偏差为1.21%。以S/N=3计算,方法的检出限为0.25 ng。被分析的金思力胶囊样品中α-亚麻酸的百分含量为4.29%(RSD=0.76%,n=5),平均回收率为101.3%(RSD=2.80%,n=5)。
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| 关 键 词： | 毛细管气相色谱法 未衍生 金思力胶囊 α-亚麻酸 |
| 文章编号： | 0517-6611（2007）15-04402-02 |
| 修稿时间： | 2007-02-28 |
Determination of ct-Linolenic Acid in the Capsule of Jinsili with Underivatized Capillary Gas Chromatography |
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| SONG Ping et al. Determination of ct-Linolenic Acid in the Capsule of Jinsili with Underivatized Capillary Gas Chromatography[J]. Journal of Anhui Agricultural Sciences, 2007, 35(15): 4402-4403 |
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| Authors: | SONG Ping et al |
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| Affiliation: | Department of Chemistry,Qinghai Nationalities Institute,Xining,Qinghai 810007 |
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| Abstract: | A determination method of α-linolenic acid in the capsule of Jinsili was developed with the underivatized capillary gas chromatography(GC).The result showed the calibration curve(A=4.792 1 m+47.815) was found to be linear over the range of 0.541～109.7 ng(r=0.9997,n=7) and the detection limit was 0.25 ng(S/N=3).The average recovery was 101.3% and their relative standard derivation(RSD) was 2.80%(n=5).When a same sample was analyzed for 6 times,the RSD of the area of the peak for α-linolenic acid was 1.21%.The percentage of α-linolenic acid in the determined capsule of Jinsili was 4.29%(RSD=0.76%,n=5). |
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| Keywords: | Capillary gas chromatography Underivatization Capsule of Jinsili α-Linolenic acid |
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