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Open AccessArticle

Comparative Metabolomic Analysis of Rapeseeds from Three Countries

by Ruinan Yang 1,2,†, Ligang Deng 3,†, Liangxiao Zhang 1,4,5,†, Xiaofeng Yue 1,5, Jin Mao 1,5, Fei Ma 1,5, Xiupin Wang 1,5, Qi Zhang 1,2,6, Wen Zhang 1,5 and Peiwu Li 1,4,5,6,*
1
Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China
2
Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
3
Institute of Agricultural Quality Standards and Testing Technology Research, Shandong Academy of Agricultural Sciences, Jinan 250100, China
4
Laboratory of Quality and Safety Risk Assessment for Oilseed Products (Wuhan), Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
5
Quality Inspection and Test Center for Oilseed Products, Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
6
Key Laboratory of Detection for Mycotoxins, Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Metabolites 2019, 9(8), 161; https://doi.org/10.3390/metabo9080161
Received: 11 June 2019 / Revised: 24 July 2019 / Accepted: 25 July 2019 / Published: 1 August 2019
(This article belongs to the Special Issue Plant Metabolomics)
Rapeseed is an important oilseed with proper fatty acid composition and abundant bioactive components. Canada and China are the two major rapeseed-producing countries all over the world. Meanwhile, Canada and Mongolia are major importers of rapeseed due to the great demand for rapeseed in China. To investigate the metabolites in rapeseeds from three countries, ultra-performance liquid chromatography-quadrupole time-of-flight mass spectrometry (UPLC-Q-TOF/MS)-based metabolomics was employed to analyze rapeseeds from China, Canada, and Mongolia. As results, 67, 53, and 68 metabolites showed significant differences between Chinese and Canadian, Chinese and Mongolian, and Canadian and Mongolian rapeseeds, respectively. Differential metabolites were mainly distributed in the metabolic pathways including phenylpropanoid biosynthesis, flavone and flavonol biosynthesis, and ubiquinone and other terpenoid-quinone biosynthesis. Among the differential metabolites, contents of sinapate and sinapine were higher in Chinese rapeseeds, while the contents of brassicasterol, stigmasterol, and campestanol were higher in Canadian rapeseeds. These findings might provide insight into the metabolic characteristics of rapeseeds from three countries to guide processing and consumption of the products of rapeseed. View Full-Text
Keywords: rapeseed; China; Canada; Mongolia; UPLC-Q-TOF/MS; metabolomics rapeseed; China; Canada; Mongolia; UPLC-Q-TOF/MS; metabolomics
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Yang, R.; Deng, L.; Zhang, L.; Yue, X.; Mao, J.; Ma, F.; Wang, X.; Zhang, Q.; Zhang, W.; Li, P. Comparative Metabolomic Analysis of Rapeseeds from Three Countries. Metabolites 2019, 9, 161.

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