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Fatty Acid, Lipid Classes and Phospholipid Molecular Species Composition of the Marine Clam Meretrix lyrata (Sowerby 1851) from Cua Lo Beach, Nghe An Province, Vietnam

Molecules (Basel, Switzerland), 2019-03, Vol.24 (5), p.895 [Peer Reviewed Journal]

2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;2019 by the authors. 2019 ;ISSN: 1420-3049 ;EISSN: 1420-3049 ;DOI: 10.3390/molecules24050895 ;PMID: 30836630

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  • Title:
    Fatty Acid, Lipid Classes and Phospholipid Molecular Species Composition of the Marine Clam Meretrix lyrata (Sowerby 1851) from Cua Lo Beach, Nghe An Province, Vietnam
  • Author: Tran, Quoc Toan ; Le, Thi Thanh Tra ; Pham, Minh Quan ; Do, Tien Lam ; Vu, Manh Hung ; Nguyen, Duy Chinh ; Bach, Long Giang ; Bui, Le Minh ; Pham, Quoc Long
  • Subjects: Arachidonic acid ; Beaches ; Cardiovascular disease ; Ceramide ; Composition ; Diacylglycerol ; Dietary supplements ; Docosahexaenoic acid ; Eicosapentaenoic acid ; Fatty acids ; hard clams ; high resolution mass spectrometry ; Investigations ; Lecithin ; lipid classes ; Lipids ; Meretrix lyrata ; molecular species of phospholipid ; Mollusks ; Phosphatidylcholine ; Phosphatidylglycerol ; Phosphatidylinositol ; Phosphatidylserine ; Phospholipids ; Polyunsaturated fatty acids ; Species composition ; Triglycerides
  • Is Part Of: Molecules (Basel, Switzerland), 2019-03, Vol.24 (5), p.895
  • Description: This study aims to analyze compositions of fatty acids and phospholipid molecular species in the hard clams (Sowerby, 1851) harvested from Cua Lo beach, Nghe An province, Viet Nam. Total lipid of hard clams occupied 1.7 ± 0.2% of wet weight and contained six classes: hydrocarbon and wax (HW), triacylglycerol (TAG), free fatty acids (FFA), sterol (ST), polar lipid (PoL), and monoalkyl diacylglycerol (MADAG). Among the constituents, the proportion of PoL accounted was highest, at 45.7%. In contrast, the figures for MADAG were lowest, at 1.3%. Twenty-six fatty acids were identified with the ratios of USAFA/SAFA was 2. The percentage of n-3 PUFA (ω-3) and n-6 PUFA (ω-6) was high, occupying 38.4% of total FA. Among PUFAs, arachidonic acid (AA, 20:4n-6), eicosapentaenoic acid (EPA, 20:5n-3), docosapentaenoic acid (DPA, 22:5n-3), and docosahexaenoic acid (DHA, 22:6n-3) accounted for 3.8%, 7.8%, 2.2% and 12.0% of total lipid of the clam respectively. Phospholipid molecular species were identified in polar lipids of the clams consisting six types: phosphatidylethalnolamine (PE, with 28 molecular species), phosphatidylcholine (PC, with 26 molecular species), phosphatidylserine (PS, with 18 molecular species), phosphatidylinositol (PI, with 10 molecular species), phosphatidylglycerol (PG, with only one molecular species), and ceramide aminoethylphosphonate (CAEP, with 15 molecular species). This is the first time that the molecular species of sphingophospholipid were determined, in in particular, and for clams in general. Phospholipid formula species of PE and PS were revealed to comprise two kinds: Alkenyl acyl glycerophosphoethanolamine and Alkenyl acyl glycerophosphoserine occupy 80.3% and 81.0% of total PE and PS species, respectively. In contrast, the percentage of diacyl glycero phosphatidylcholine was twice as high as that of PakCho in total PC, at 69.3, in comparison with 30.7%. In addition, phospholipid formula species of PI and PG comprised only diacyl glycoro phospholipids. PE 36:1 (p18:0/18:1), PC 38:6 (16:0/22:6), PS 38:1 (p18:0/20:1), PI 40:5 (20:1/20:4), PG 32:0 (16:0/16:0) and CAEP 34:2 (16:2/d18:0) were the major molecular species.
  • Publisher: Switzerland: MDPI AG
  • Language: English
  • Identifier: ISSN: 1420-3049
    EISSN: 1420-3049
    DOI: 10.3390/molecules24050895
    PMID: 30836630
  • Source: DOAJ Directory of Open Access Journals
    GFMER Free Medical Journals
    PubMed Central
    Alma/SFX Local Collection
    ProQuest Central
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