Wang Li Song Zhifeng Ji Feng Jin Weidong Huang Huang Yu Zhijing Tang Xiaobo.THE DETERMINATION OF VITAMIN E USING HPLC AND THE LINEAR REGRESSION OFTHE CONTENTS OF VITAMIN E AND OIL IN SOYBEAN[J].Soybean Science,2006,25(02):113-117.[doi:10.11861/j.issn.1000-9841.2006.02.0113]
高效液相色谱法测定大豆中的维生素 E 含量及其与粗脂肪含量的线性回归分析*
- Title:
- THE DETERMINATION OF VITAMIN E USING HPLC AND THE LINEAR REGRESSION OFTHE CONTENTS OF VITAMIN E AND OIL IN SOYBEAN
- Keywords:
- HPLC ; Soybean ; Vitamin E ; Oil ; Linear regression
- 文献标志码:
- A
- 摘要:
- 利用高效液相色谱法测定 1000份大豆资源中的维生素 E 含量, 使用荧光检测器检测(Ex =295nm , Em =330nm),以 α- 、β - 、γ- 、δ- 生育酚为标准品 ,加入母育酚为内标, 计算大豆中维生素 E 各异构体的含量及总含量,α- 、β- 、γ- 、δ- 生育酚的加标回收率分别为 101. 10 %、97. 50%、96. 94%和 96. 30 %,测得野生大豆资源中维生素 E 含量范围 0. 05 ~ 0. 34mg /g ,栽培资源 0. 12~0. 38mg /g 。同时按国标方法测定粗脂肪含量 , 其中野生资源粗脂肪含量范围 3. 01 %~ 20. 60%,栽培资源 12. 00%~ 23. 59%。通过线性回归分析,明确了大豆中维生素 E 与粗脂肪含量呈正相关的线性关系 。
- Abstract:
- T he contents of the vitamin E in 1000 soybean occessions were determined by high performanceliquid chromatography with fluorescence detection (Ex =295nm , Em =330nm). The isomers of vitamin Ewere determined by the standards α-、β-、γ-、δ-tocopherols and the internal standard of the tocol. The vita-min E contents was 0. 05~ 0. 34g /mg in wild soybean resources, 0. 10~ 0. 38g /mg in cultivated soybean re-sources, respectively. The average recoveries of α-、β-、γ-、δ-tocopherol were 101. 10 %, 97. 50%, 96. 94%and 96. 30%, respectively. Meanwhile , the oil contents of soybean resources were determined by nationalstandard method (GB 2906~ 82). Their range were 3. 01%~ 20. 60%in wild soybean resources,8. 00 %~23. 59%in cultivated soybean resources, respectively. The positive correlation between the contents of vi-tamin E and oil was confirmed by the analysis of linear regression.
参考文献/References:
1 郑云兰, 李霞辉. 大豆营养分析技术[ M] . 哈尔滨:黑龙江科学技术出版社, 1991, 190
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备注/Memo
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