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  • Title: Simultaneous quantification of the lipids phosphatidylcholine, 3-sn-phosphatidylethanolamine, sphingomyelin, and L-α-lysophosphatidylcholine extracted from the tissues of the invasive golden apple snail (Pomacea canaliculata) using UHPLC-ESI-MS/MS.
    Author: Wang J, Lu X, Zhang J, Xiao Z.
    Journal: Food Chem; 2021 May 01; 343():128427. PubMed ID: 33131959.
    Abstract:
    Lipids such as phosphatidylcholine (PC), 3-sn-phosphatidylethanolamine (PE), sphingomyelin (SM) and L-α-lysophosphatidylcholine (LPC) are the major components of biological membranes and play important roles in physiological functions. Here, PC, PE, SM, and LPC were extracted from golden apple snails (GAS, Pomacea canaliculata) and GAS flesh (GASF) using an ethanol/hexane sequential scheme and quantified simultaneously using ultra-high performance liquid chromatography-electrospray ionization-tandem mass spectrometry (UHPLC-ESI-MS/MS) to evaluate whether the GAS could be the source of the four lipids. Our results suggest that ethanol extracts contained the most crude lipids, and the yield of dry (evaporated) lipids were 3.45 g per 100 g fresh GASF and 1.82 g per 100 g of fresh GAS. Quantification of the lipids using UHPLC-ESI-MS/MS suggested that GAS contained PE, PC, SM and LPC, with SM being the most abundant lipid (after purification: 1.71 and 1.42 mg g-1 dry weight from 100 g of GASF and GAS, respectively). The method we used is cost-effective, and the recovery rates of ethanol and hexane ranged from 80-91% and 87-91% respectively. Overall, GAS and GASF are potential raw materials for lipids such as SM and PC extraction using the ethanol/hexane method. Comparatively, lipids extraction from the GAS is more effective and timesaving. Our finding would provide a way to utilize GAS and potentially control its invasion.
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