文献类型：期刊文献

英文题名：Analysis of lipidomics profile of Carya cathayensis nuts and lipid dynamic changes during embryonic development

作者：Huang, Chunying[1] Li, Yan[1] Wang, Ketao[1] Xi, Jianwei[1] Xu, Yifan[1] Si, Xiaolin[1] Pei, Dong[2] Lyu, Shiheng[1] Xia, Guohua[1] Wang, Jianhua[1] Li, Peipei[1] Ye, Hongyu[1] Xing, Yulin[1] Wang, Yige[1] Huang, Jianqin[1]

第一作者：Huang, Chunying

机构：[1] State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Lin'an, Zhejiang, 311300, China; [2] State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding and Cultivation of the State Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China

年份：2022

卷号：370

外文期刊名：Food Chemistry

收录：EI(收录号：20213710899462);Scopus(收录号：2-s2.0-85114836634)

语种：英文

外文关键词：Unsaturated fatty acids - Liquid chromatography - Mass spectrometry - Linoleic acid - Glycerol

摘要：Hickory (Carya cathayensis) nuts contain higher amount of lipids, and possess high nutritional value and substantial health benefits. However, their lipid composition and dynamic changes during embryogenesis have not been thoroughly investigated. Therefore, lipidomics profile and lipid dynamic changes during embryonic development were analyzed using ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). Totally, 544 kinds of lipids were identified in mature hickory nuts with higher proportions of glycerolipids (59.94%) and glycerophospholipids (38.66%). Notably, diacylglycerols showed gradual uptrends, which corresponded with total glycerolipid and glycerophospholipid at middle and late stage of embryogenesis, suggesting the pivotal role of diacylglycerols in the accumulation of glycerolipids and glycerophospholipids. Moreover, triacylglycerols, diacylglycerols, phosphatidylethanolamines and phosphatidylcholines had high relative content with abundance of unsaturated fatty acids, specifically oleic acid, linoleic acid and linolenic acid, localized mainly at sn-2 lipid position. Together, our study provides innovative perspectives for studying the nutritional benefits of hickory nut lipids. ? 2021 Elsevier Ltd