Determination of Phosphatidylcholine in Shrimp by High-Resolution Mass Spectrometry ...

• Main Authors: Zhou, Li, Wang, Yan, Wang, Xiaolin, Liang, Yi, Huang, Zheng
• Format: Text
• Language: unknown
• Published: Taylor & Francis 2018
• Subjects: Biophysics; Biochemistry; Microbiology; FOS Biological sciences; Cell Biology; Genetics; Biotechnology; Environmental Sciences not elsewhere classified; Chemical Sciences not elsewhere classified; Ecology; Cancer; Inorganic Chemistry; FOS Chemical sciences; Euphausia superba
• Online Access: https://dx.doi.org/10.6084/m9.figshare.6260894.v1; https://tandf.figshare.com/articles/journal_contribution/Determination_of_Phosphatidylcholine_in_Shrimp_by_High-Resolution_Mass_Spectrometry/6260894/1

The molecular species of phosphatidylcholine from freshwater sources ( Macrobranchium nipponense and Macrobranchium rosenbergii ) and marine sources ( Euphausia superba and Penaeus chinesis ) were characterized by high-resolution mass spectrometry. The tandem secondary mass spectrometry (MS/MS) fragmentation allowed for the identification of fatty acyl residues of phosphatidylcholine molecular species. (16:0–18:1)Phosphatidylcholine was the main phosphatidylcholine molecular species determined in all shrimp samples, especially in E. superba. Macrobranchium rosenbergii phosphatidylcholine was particularly rich in (16:0–20:5)phosphatidylcholine and (16:0–22:6)phosphatidylcholine. The proportion of the two molecular species was next to the phosphatidylcholine of E. superba . Therefore, M. rosenbergii appears to be a potential freshwater source for the supplementation of polyunsaturated fatty acids, particularly eicosapentaenoic acid (20:5) and docosahexaenoic acid (22:6). This approach may be used as an ...