Research Article

Lipidomics and Anti-Inflammation Activity of Brown Algae, Lobophora sp., in Vietnam

Table 4

Molecular species of glycolipid including MGDG, DGDG, and SQDG groups identified by HPLC-HRMS as negative [M − H] ions and positive [M + Na]+ ion, and identification as phospholipid and fatty acyl composition confirmed by the analysis of the LC-MS/MS spectra of each ion.

[M + Na]+ m/zMGDGFatty acid chains% in MGDG

725.516030 : 01.96
747.323232 : 31.00
749.526832 : 21.75
751.529732 : 114 : 0/18 : 19.39
769.490234 : 61.23
771.493334 : 52.07
775.502434 : 31.81
777.546634 : 22.25
779.565434 : 116 : 0/18 : 113.54
793.487936 : 80.87
795.499536 : 71.56
797.517236 : 65.37
799.532636 : 516 : 0/20 : 57.85
801.553936 : 43.69
803.556336 : 31.71
819.502338 : 918 : 4/20 : 513.92
821.514738 : 818 : 3/20 : 513.73
823.527038 : 718 : 3/20 : 49.12
825.555038 : 618 : 1/20 : 53.64
849.323240 : 820 : 4/20 : 42.24
851.562840 : 71.30

[M + Na]+ m/zDGDGFatty acid chains% in DGDG
941.614434 : 116 : 0/18 : 1100

[M − H]m/zSQDGFatty acid chains% in SQDG
737.447428 : 014 : 0/14 : 01.63
12 : 0/16 : 0
751.463129 : 014 : 0/15 : 00.44
763.461930 : 114 : 0/16 : 10.74
765.477130 : 014 : 0/16 : 021.78
779.490931 : 015 : 0/16 : 00.63
789.475732 : 214 : 0/18 : 20.71
791.493132 : 114 : 0/18 : 19.70
16 : 0/16 : 1
793.510732 : 016 : 0/16 : 013.68
815.487134 : 316 : 0/18 : 30.73
14 : 0/20 : 3
817.506534 : 216 : 0/18 : 23.21
16 : 1/18 : 1
819.516234 : 116 : 0/18 : 121.22
821.537634 : 016 : 0/18 : 05.83
14 : 0/20 : 0
833.537635 : 117 : 0/18 : 10.77
16 : 0/19 : 1
835.556335 : 016 : 0/19 : 00.10
837.473636 : 616 : 0/20 : 61.58
839.483436 : 516 : 0/20 : 52.30
841.498736 : 416 : 0/20 : 42.10
843.516336 : 316 : 0/20 : 30.45
845.536936 : 216 : 0/20 : 21.79
18 : 1/18 : 1
847.556236 : 118 : 0/18 : 10.61
16 : 0/20 : 1
849.570436 : 016 : 0/20 : 01.48
18 : 0/18 : 0
877.601738 : 016 : 0/22 : 00.71
14 : 0/24 : 0
903.617040 : 116 : 0/24 : 10.17
905.632540 : 016 : 0/24 : 04.85
931.648642 : 116 : 0/26 : 10.71
933.665442 : 016 : 0/26 : 02.08