Open Access

Table 2

OPLS-DA: variables expressed in the upper and lower part of the S-plot.

LM (Lower part of S-plot) OM (Upper part of S-plot)
RT (min) m/z Ion fragment Assignment RT (min) m/z Ion fragment Assignment
6.4 307.262 [M – (n−1)*(EO) + H – H2O]+ MEPEG (18:2) 8.7 309.277 [M – (n−1)*(EO) + H – H2O]+ MEPEG (18:1)
33.6 599.501 [M + H – H2O]+ DG (18:2/18:2) 60.2 603.533 [M + H – H2O]+ DG (18:1/18:1)
35.9 307.262 [M – (n−1)*(EO) + H – RCOOH]+ DEPEG (18:2/18:2) 63.1 309.278 [M – (n−1)*(EO) + H – RCOOH]+ DEPEG (18:1/18:1)
116.5 599.501 [M + H – RCOOH]+ TG (18:2/18:2/18:2) 138.2 603.535 [M + H – RCOOH]+ TG (18:1/18:1/18:1)
125.4 881.757 [M + H]+ TG (18:2/18:2/18:1) 132.3 883.772 [M + H]+ TG (18:1/18:2/18:1)
126.9 855.741 [M + H]+ TG (18:2/18:2/16:0) 139.7 577.517 M + H – RCOOH]+
(DG 18:1/16:0)
[M + H – RCOOH]+
(DG 18:1/18:1)
TG (18:1/16:0/18:1)
133.8 575.501
577.517
[M + H – RCOOH]+
(DG 18:2/16:0)
[M + H – RCOOH]+
(DG 18:1/16:0)
TG (18:1/16:0/18:2) 144.4 605.55 [M + H – RCOOH]+
(DG 18:1/18:1)
[M + H – RCOOH]+
(DG 18:1/18:0)
TG (18:1/18:0/18:1)
135.6 551.501
575.501
[M + H – RCOOH]+
(DG 16:0/16:0)
[M + H – RCOOH]+
(DG 18:2/16:0)
TG (18:2/16:0/16:0)

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