Table 1 List of ions identified based on the contribution of each ion to the variance of the observations and their reliability.

From: Identification of milk from different animal and plant sources by desorption electrospray ionisation high-resolution mass spectrometry (DESI-MS)

Milk type

Mass bin [m/z]

S-plot p[1] value

S-plot p(corr) value

Representative mass [m/z]

Accurate mass [m/z]

Formula

Lipid identifier

LM ID

Cow milk

537.3

−0.066

−0.854

537.3516

537.3551

C27H53O8P

PA(24:0)

LMGP10010030

565.3

−0.070

−0.853

565.3904

565.3864

C29H57O8P

PA(26:0)

LMGP10010933

577.5

−0.055

−0.836

577.4272

577.4228

C31H61O7P

PA(P-28:0)

LMGP10030001

593.5

−0.086

−0.898

593.4140

593.4177

C31H61O8P

PA(28:0)

LMGP10010944

605.5

−0.061

−0.892

605.4564

605.4541

C33H65O7P

PA(P-30:0)

LMGP10030003

619.5

−0.068

−0.903

619.4680

619.4697

C34H67O7P

PA(P-31:0)

LMGP10030005

621.5

−0.103

−0.895

621.4513

621.4490

C33H65O8P

PA(30:0)

LMGP10010943

628.5

−0.065

−0.656

628.5848

628.5874

C38H77NO5

Cer(38:0;O4)

LMSP02030017

633.5

−0.075

−0.854

633.4876

633.4854

C35H69O7P

PA(P-32:0)

LMGP10030007

647.5

−0.082

−0.915

647.5047

647.5010

C36H71O7P

PA(P-33:0)

LMGP10030009

656.5

−0.054

−0.621

656.5998

656.6187

C40H81NO5

Cer(40:0;O4)

LMSP02030018

661.5

−0.073

−0.779

661.5192

661.5167

C37H73O7P

PA(P-34:0)

LMGP10030012

677.5

−0.122

−0.803

677.5127

677.5116

C37H73O8P

PA(34:0)

LMGP10010940

687.5

−0.061

−0.793

687.5358

687.5323

C39H75O7P

PA(P-36:1)

LMGP10030019

703.5

−0.114

−0.835

703.5297

703.5272

C39H75O8P

PA(36:1)

LMGP10010214

731.5

−0.066

−0.705

731.5517

731.5585

C41H79O8P

PA(38:1)

LMGP10010220

1146.5

−0.057

−0.840

1146.5184

1146.5087

C47H86N7O17P3S

CoA(26:0)

LMFA07050327

1174.5

−0.052

−0.844

1174.5574

1174.5400

C49H90N7O17P3S

CoA(28:0)

LMFA07050351

1202.7

−0.059

−0.856

1202.6506

1202.6211

C52H101NO25P2

M(IP)2C(34:0;O3)

LMSP03030108

1232.7

−0.061

−0.845

1230.6704

1230.6524

C54H105NO25P2

M(IP)2C(36:0;O3)

LMSP03030109

1286.7

−0.058

−0.875

1286.7344

1286.7150

C58H113NO25P2

M(IP)2C(40:0;O3)

LMSP03030111

1314.7

−0.065

−0.854

1314.7518

1314.7463

C60H117NO25P2

M(IP)2C(42:0;O3)

LMSP03030112

1342.7

−0.059

−0.807

1342.7896

1342.7776

C62H121NO25P2

M(IP)2C(44:0;O3)

LMSP03030113

Oat milk

872.7

0.056

0.711

872.7094

872.7103

C50H98NO8P

PC(42:1)

LMGP01012161

903.7

0.072

0.544

903.7435

903.7436

C59H98O6

TG(56:8)

LMGL03016229

Oat milk Soya milk

917.7

0.136

0.671

917.7568

917.7593

C60H100O6

TG(57:8)

LMGL03016407

Soya milk

893.7

0.095

0.692

893.7489

893.7593

C58H100O6

TG(55:6)

LMGL03015620

Camel milk

881.7

0.050

0.654

881.7578

881.7593

C57H100O6

TG(54:5)

LMGL03010352

  1. Identities confirmed by MS/MS ion fragmentation analyses.