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Table 2 Summary of sphingolipid classes and MS/MS spectra developed in this study.

From: Comprehensive identification of sphingolipid species by in silico retention time and tandem mass spectral library

Name

Abbreviation

Structure count

Spectra count

Adduct type

Sphingomyelin

SM

3384

6768

Formate, acetate

Ceramide non-hydroxyfatty acid-sphingosine

Cer [NS]

3360

10,080

Proton, formate, acetate

Glucosylceramide non-hydroxyfatty acid-sphingosine

HexCer [NS]

3360

10,080

Proton, formate, acetate

Ceramide non-hydroxyfatty acid-dihydrosphingosine

Cer [NDS]

1120

3360

Proton, formate, acetate

Glucosylceramide non-hydroxyfatty acid-dihydrosphingosine

HexCer [NDS]

1120

3360

Proton, formate, acetate

Ceramide α-hydroxy fatty acid-sphingosine

Cer [AS]

3360

10,080

Proton, formate, acetate

Glucosylceramide α-hydroxy fatty acid-sphingosine

HexCer [AS]

3360

10,080

Proton, formate, acetate

Ceramide α-hydroxy fatty acid-dihydrosphingosine

Cer [ADS]

1120

3360

Proton, formate, acetate

Glucosylceramide α-hydroxy fatty acid-dihydrosphingosine

HexCer [ADS]

1120

3360

Proton, formate, acetate

Ceramide β-hydroxy fatty acid-Sphingosine

Cer [BS]

3360

10,080

Proton, formate, acetate

Glucosylceramide β-hydroxy fatty acid-sphingosine

HexCer [BS]

3360

10,080

Proton, formate, acetate

Ceramide β-hydroxy fatty acid-dihydrosphingosine

Cer [BDS]

1120

3360

Proton, formate, acetate

Glucosylceramide β-hydroxy fatty acid-dihydrosphingosine

HexCer [BDS]

1120

3360

Proton, formate, acetate

Ceramide esterified ω-hydroxy fatty acid-sphingosine

Cer [EOS]

25,536

76,608

Proton, formate, acetate

Glucosylceramide esterified ω-hydroxy fatty acid-sphingosine

HexCer [EOS]

25,536

76,608

Proton, formate, acetate

Ceramide esterified ω-hydroxy fatty acid-dihydrosphingosine

Cer [EODS]

8512

25,536

Proton, formate, acetate

Glucosylceramide esterified ω-hydroxy fatty acid-dihydrosphingosine

HexCer [EODS]

8512

25,536

Proton, formate, acetate

Ceramide a-hydroxy fatty acid-phytospingosine

Cer [AP]

2772

8316

Proton, formate, acetate

Glucosylceramide a-hydroxy fatty acid-phytospingosine

HexCer [AP]

2772

8316

Proton, formate, acetate

Ceramide non-hydroxyfatty acid-phytospingosine

Cer [NP]

2772

8316

Proton, formate, acetate

Glucosylceramide non-hydroxyfatty acid-phytospingosine

HexCer [NP]

2772

8316

Proton, formate, acetate