Characterization of n-Fatty Acids in Alpine Meadow Plants

doi:10.11733/j.issn.1007-0435.2018.02.017

Acta Agrestia Sinica ›› 2018, Vol. 26 ›› Issue (2): 393-401.DOI: 10.11733/j.issn.1007-0435.2018.02.017

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Characterization of n-Fatty Acids in Alpine Meadow Plants

DUAN Zhong-hua^1,2, QUAN Xiao-long², QIAO You-ming¹, SHI Hui-lan¹, PEI Hai-kun², ZHENG Yuan-ming¹

1. State Key Laboratory of Plateau Ecology and Agriculture, Xining, Qinghai Province 810016, China;
2. College of Eco-Environmental Engineering, Qinghai University, Xining, Qinghai Province 810016, China

Received:2017-07-07 Revised:2018-03-20 Online:2018-04-15 Published:2018-07-05

高寒草甸植物中正构脂肪酸组成特征研究

段中华^1,2, 全小龙², 乔有明¹, 史惠兰¹, 裴海昆², 郑元铭¹

1. 三江源生态和高原农牧业国家重点实验室, 青海西宁 810016;
2. 青海大学生态环境工程学院, 青海西宁 810016

通讯作者: 乔有明
作者简介:段中华(1980-),男,湖南邵阳人,副教授,在读博士,主要从事草地生态研究,E-mail:zhonghuaduan@126.com
基金资助:
国家自然科学基金（31760691，31260573）；国家重点研发计划（2017YFC0504803）；国家国际科技合作专项项目（2015DFG31870）；教育部美大项目（2016）资助

Abstract

Abstract:

54 plants of alpine meadow were collected and analyzed to investigate the characteristics of n-fatty acids using gas chromatography-mass spectrometry (GC-MS). The results showed that the carbon numbers of n-fatty acids in alpine meadow plants were from C₆ to C₂₈, and the content of the n-fatty acids were from 0.05 to 7 964.32 mg·kg^-1,among which the content of the hexadecanoic acid was the highest and the hendecanoic acid was the lowest. The content of total n-fatty acid varied from 380.19 to 11 335.95 mg·kg^-1, and the contents of total odd n-fatty acids were less than that of the total even n-fatty acids. The content of the every n-fatty acid was significant difference in the same plant species, but not significant difference in different plants belonging to the same family, and that was obviously different among different families.

Key words: Alpine meadow, Plants, n-Fatty acids

摘要：

为探究高寒草甸植物中正构脂肪酸组成特征，利用气相色谱-质谱联用仪（GC-MS）对高寒草甸54种植物进行了测定和分析。结果表明，高寒草甸常见植物中单种正构脂肪酸碳数为C₆~C₂₈，含量分布范围0.05~7 964.32 mg·kg^-1，其中十六酸含量高，而十一酸含量低。总正构脂肪酸含量为380.19~11 335.95 mg·kg^-1，总奇数碳正构脂肪酸含量小于总偶数碳正构脂肪酸含量，偶数碳优势明显。同种植物中各不同正构脂肪酸的含量差异显著（P<0.05），同科植物间正构脂肪酸含量差异不显著，不同科植物间正构脂肪酸含量明显不同。

关键词: 高寒草甸, 植物, 正构脂肪酸

CLC Number:

S812

DUAN Zhong-hua, QUAN Xiao-long, QIAO You-ming, SHI Hui-lan, PEI Hai-kun, ZHENG Yuan-ming. Characterization of n-Fatty Acids in Alpine Meadow Plants[J]. Acta Agrestia Sinica, 2018, 26(2): 393-401.

段中华, 全小龙, 乔有明, 史惠兰, 裴海昆, 郑元铭. 高寒草甸植物中正构脂肪酸组成特征研究[J]. 草地学报, 2018, 26(2): 393-401.

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Characterization of n-Fatty Acids in Alpine Meadow Plants

高寒草甸植物中正构脂肪酸组成特征研究

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