A Comparison of Lipid Contents in Different Types of Peanut Cultivars Using UPLC-Q-TOF-MS-Based Lipidomic Study
文献类型： 外文期刊
作者： Huang, Yuting 1 ; Ma, Rui 1 ; Xu, Yongju 2 ; Zhong, Kai 1 ; Bu, Qian 3 ; Gao, Hong 1 ;
作者机构： 1.Sichuan Univ, Coll Biomass Sci & Engn, Chengdu 610065, Peoples R China
2.Sichuan Acad Agr Sci, Ind Crops Res Inst, Chengdu 610300, Peoples R China
3.Sichuan Univ, West China Sch Publ Hlth, Chengdu 610065, Peoples R China
关键词： peanuts; oleic acid; lipidomics; oxidation stability
期刊名称：FOODS （ 影响因子：5.561； 五年影响因子：5.94 ）
ISSN：
年卷期： 2022 年 11 卷 1 期
页码：
收录情况： SCI
摘要： Peanuts are a rich dietary source of lipids, which are essential for human health. In this study, the lipid contents of 13 peanut cultivars were analyzed using UPLC-Q-TOF-MS and GC-MS. The OXITEST reactor was used to test their lipid oxidation stabilities. A total of 27 subclasses, 229 individual lipids were detected. The combined analysis of lipid and oxidation stability showed that lipid unsaturation was inversely correlated with oxidation stability. Moreover, lipid profiles differed significantly among the different peanut cultivars. A total of 11 lipid molecules (TG 18:2/18:2/18:2, TG 24:0/18:2/18:3, TG 20:5/14:1/18:2, TG 18:2/14:1/18:2, PE 17:0/18:2, BisMePA 18:2/18:2, PG 38:5, PMe 18:1/18:1, PC 18:1/18:1, MGDG 18:1/18:1, TG 10:0/10:1/18:1) might be employed as possible indicators to identify high oleic acid (OA) and non-high OA peanut cultivars, based on the PLS-DA result of lipid molecules with a VIP value greater than 2. This comprehensive analysis will help in the rational selection and application of peanut cultivars.
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