Discrimination of rapeseeds (Brassica napus L.) based on the content of erucic acid by H-1 NMR

文献类型： 外文期刊

第一作者： Han, Jiao

作者： Han, Jiao;Li, Yinping;Lu, Changming;Deng, Zhiwei;Geng, Zhufeng;Fu, Boqiang

作者机构：

关键词： Rapeseed;Erucic acid;Nuclear magnetic resonance;Hierarchical cluster analysis;T test

期刊名称：EUROPEAN FOOD RESEARCH AND TECHNOLOGY （ 影响因子：2.998； 五年影响因子：3.005 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： Rapeseeds (Brassica napus L.) are major source of edible oil-consumed in daily life. However, the high erucic acid content in some rapeseeds is harmful to the human health. So it is essential to explore a convenient and rapid method to identify which content of erucic acid is less than 5 %. Since the derivation procedure of traditional identification method (gas chromatography) is cumbersome, it consumes much time in analysis. In this work, a rapid method based on nuclear magnetic resonance (NMR) technology is developed. Firstly, H-1 NMR spectra of rapeseeds extract were collected, and then H-1 NMR data were analyzed by hierarchical cluster analysis and t test. The results indicated that statistically significant differences (p < 0.05) were found between high-erucic-acid and low-erucic-acid groups. Therefore, the new method can effectively distinguish LEAR from high-erucic-acid rapeseed with convenient sample pretreatment and data acquisition, which offer great potential for LEAR screening.

分类号： R15

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