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Gas chromatography mass spectrometry-based metabolite profiling of two sweet-clover vetches via multivariate data analyses

文献类型： 外文期刊

作者： Abozeid, Ann 1 ; Liu, Jia 1 ; Liu, Yang 1 ; Wang, Hongzheng 1 ; Tang, Zhonghua 1 ;

作者机构： 1.Northeast Forestry Univ, Key Lab Plant Ecol, Harbin, Heilongjiang, Peoples R China

2.Menoufia Univ, Fac Sci, Bot Dept, Shibin Al Kawm, Egypt

3.Xinjiang Acad Agr Sci, Inst Crop Germplasm Resources, Urumqi, Peoples R China

关键词： metabolitic profiling;Vicia pulchella;GC-MS;principal component analysis;hierarchical clustering analysis

期刊名称：BOTANY LETTERS （ 影响因子：1.744； 五年影响因子：1.491 ）

ISSN： 2381-8107

年卷期： 2017 年 164 卷 4 期

页码：

收录情况： SCI

摘要： The sweet-clover vetch (Vicia pulchella) is generally a forb or herbaceous species native to the United States, used in farming as a forage plant. In this study, we examined the seeds of the two subspecies of Vicia pulchella, V. pulchella subsp. pulchella Kunth and V. pulchella subs. mexicana (Hemsl.) C.R. Gunn using gas chromatography-mass spectrometry coupled with multivariate data analyses to discriminate between the two subspecies via their chemical profiles. The metabolic differences of seeds derived from seven accessions belonging to the two subspecies were assessed. Eighty-two metabolites and derivatives, including 21 amino acids and other 13 nitrogen containing compounds, 8 sugars, 2 sugar alcohols, 17 organic and inorganic acids, 6 fatty acids, 4 glycosides and other compounds, were identified. All the replicates of all accessions examined for each subspecies were clustered together via principal component analysis and hierarchical clustering analysis. In general, V. pulchella subsp. pulchella presented more amino acid and fatty acid contents, while higher levels of sugars and organic acids were identified in V. pulchella subs. mexicana. Although our results confirmed that the species could provide a good set of nutritive compounds for livestock, a significant number of bioactive compounds, such as free amino acids and hydroxy fatty acids, which could have a toxic effect on the livestock and limit the potential role of the plants in the farming system, were also detected.

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