. 2022 Jan 19;42(1):12–20. doi: 10.1080/01652176.2022.2028033

Table 3.

Positively identified lipids and partially identified lipids present in the skin samples from the 39 dogs with LC-MS using the lipid databases LipidBlast and LipidSearch.

Lipids positively identified	Lipids partially identified
MG(27:3)+Na DG(22:2)+H DG(16:0/18:3)+H DG(43:3p)+H DG(42:1p)+NH4 DG(44:1p)+NH4 TG(6:0/10:0/16:2)+Na TG(4:0/20:2/22:5)+H Cer(d17:1/18:2 + O)+H Cer(d24:0/26:0)+H	MG 20:3; [M + NH4]+ MG 22:6; [M + NH4]+ MG 23:0; [M + NH4]+ DG 26:2; [M + NH4]+ SM 18:0; [M-H + Na]+ SM 32:2; [M-H + Na]+ LPE 22:0; [M + H]+ CerP 29:0; [M + H]+ CerP 29:1; [M + H]+ CerP 41:2; [M + H]+ CerP 42:5; [M + H]+ PA 25:2; [M + Na2-H]+ PA 32:6; [M + Na2-H]+ PA 32:4; [M + Na2-H]+ PA 36:4; [M + Na2-H]+ PC 30:1; [M + H]+ PS 24:4; [M + Na]+ PS 27:2; [M + H]+ PS 30:3; [M + Na]+ PS 37:2; [M + H]+ Plasmenyl-PC 25:0; [M + Na]+ Plasmenyl-PC 29:0; [M + Na]+ Plasmenyl-PE 34:2; [M + Na]+ Plasmenyl-PE 35:0; [M + Na]+ Plasmenyl-PE 38:5; [M + H]+ Plasmenyl-PE 42:1; [M + Na]+

Lipids positively identified

Lipids partially identified

MG(27:3)+Na
DG(22:2)+H
DG(16:0/18:3)+H
DG(43:3p)+H
DG(42:1p)+NH4
DG(44:1p)+NH4
TG(6:0/10:0/16:2)+Na
TG(4:0/20:2/22:5)+H
Cer(d17:1/18:2 + O)+H
Cer(d24:0/26:0)+H

MG 20:3; [M + NH4]+
MG 22:6; [M + NH4]+
MG 23:0; [M + NH4]+
DG 26:2; [M + NH4]+
SM 18:0; [M-H + Na]+
SM 32:2; [M-H + Na]+
LPE 22:0; [M + H]+
CerP 29:0; [M + H]+
CerP 29:1; [M + H]+
CerP 41:2; [M + H]+
CerP 42:5; [M + H]+
PA 25:2; [M + Na2-H]+
PA 32:6; [M + Na2-H]+
PA 32:4; [M + Na2-H]+
PA 36:4; [M + Na2-H]+
PC 30:1; [M + H]+
PS 24:4; [M + Na]+
PS 27:2; [M + H]+
PS 30:3; [M + Na]+
PS 37:2; [M + H]+
Plasmenyl-PC 25:0; [M + Na]+
Plasmenyl-PC 29:0; [M + Na]+
Plasmenyl-PE 34:2; [M + Na]+
Plasmenyl-PE 35:0; [M + Na]+
Plasmenyl-PE 38:5; [M + H]+
Plasmenyl-PE 42:1; [M + Na]+

Cer: Glycosphingolipids, Ceramides; CerP: Glycosphingolipids, Ceramides phosphate; DG: Neutral glycerolipid, diglyceride; LPE: P-Ethanol Amine, lysophosphatidylethanolamine; MG: Neutral glycerolipid, monoglyceride; PA: P-Acid, phosphatidic acid; PC: P-Choline, phosphatidylcholine; PS: P-Serine, phosphatidylserine; SM: Sphingolipids, sphingomyelin; TG: Neutral glycerolipid, triglyceride.