超高效液相色譜-飛行時(shí)間-串聯(lián)質(zhì)譜法用于大白菜葉片中的脂質(zhì)成分分析
[Abstract]:A high performance liquid chromatography-time-of-flight tandem mass spectrometry (UPLC-TOF-MS/MS) method was established for the determination of lipid species, structure, fatty acid composition and relative content in Chinese cabbage leaves. The Acquity UPLCTMBEH C8 column was used as the stationary phase, and the first-order and second-order mass spectrometry information of lipids was obtained by using the time-of-flight mass spectrometry (TMS) full scanning, information association acquisition (TOF-MS scan-IDA-product ion scan) and subion scanning (TOF-MS scan-IDA-product ion scan). A total of 232 kinds of lipids were identified in leaves of Chinese cabbage, including 104 kinds of phospholipids, 63 kinds of sugar and lipids, and 65 kinds of glycerides. The main components of phospholipids, glycolipid and glycerides were phosphatidylcholine, monogalactosylglycerol, diglyceride and triglyceride, respectively. The results show that this method has the advantages of high sensitivity, high accuracy and high throughput. It provides a reliable analytical platform for the study of plant lipid metabolism, and lays a foundation for the further study of lipid biological function.
【作者單位】: 中國(guó)農(nóng)業(yè)科學(xué)院蔬菜花卉研究所農(nóng)業(yè)部蔬菜產(chǎn)品質(zhì)量安全風(fēng)險(xiǎn)評(píng)估實(shí)驗(yàn)室(北京)農(nóng)業(yè)部園藝作物生物學(xué)與種質(zhì)創(chuàng)制重點(diǎn)實(shí)驗(yàn)室;
【基金】:國(guó)家蔬菜產(chǎn)品質(zhì)量安全風(fēng)險(xiǎn)評(píng)估項(xiàng)目(GJFP201601401) 食用農(nóng)產(chǎn)品特征性營(yíng)養(yǎng)組成識(shí)別與驗(yàn)證評(píng)估項(xiàng)目(GJFP2016015) 蔬菜產(chǎn)品未知危害因子識(shí)別與已知危害因子安全性評(píng)估項(xiàng)目(GJFP2016002)~~
【分類號(hào)】:S634.1;O657.63
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