| 光谱学与光谱分析 |
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| Principal Component Analysis of Mineral Elements and Fatty Acids Composition in Flaxseed from Ten Different Regions |
| XING Li, ZHAO Feng-min*, CAO You-fu, WANG Mei, MEI Shuai, LI Shao-ping, CAI Zhi-yong |
| Chinese Academy of Agricultural Mechanization Sciences, Beijing 100083, China |
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Abstract Flaxseed is a kind of biomass with high edible and medical value. It is rich in many kinds of nutrients and mineral elements. China is one of the important producing places of flaxseed. In order to explore the main characteristic constituents of mineral elements and fatty acids in flaxseed, the study of analyzing the mineral elements and fatty acid composition from 10 different regions was carried out. The contents of seventeen kinds of mineral elements in flaxseed were determined by inductively coupled plasma mass spectrometry (ICP-MS). The contents of fatty acids of the flaxseed oil obtained under the same conditions were determined by gas chromatography-mass spectrometer(GC-MS). The principal component analysis(PCA) method was applied to the study of analyzing the mineral elements and fatty acid compositions in flaxseeds. The difference in mineral elements and fatty acids of flaxseed from different regions were discussed. The main characteristic constituents of mineral elements and fatty acids were analyzed. The results showed that K，Sr，Mg，Ni，Co，Cr，Cd，Se，Zn and Cu were the main characteristic constituents of the mineral elements. At the same time, C16∶0，C18∶0，C18∶2，C18∶3，C20∶0 and C20∶1 were the main characteristic constituents of the fatty acids. The combination of ICP-MS, GS-MS and PCA can reveal the characteristics and difference of mineral elements and fatty acids from different regions. The results would provide important theoretical basis for the reasonable and effective utilization of flaxseed.
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Received: 2013-10-17
Accepted: 2014-01-25
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Corresponding Authors:
ZHAO Feng-min
E-mail: zfm1972@sohu.com
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