Table 2.
Summary of sphingolipid classes and MS/MS spectra developed in this study.
Abbreviation source: Ref. [14]
| 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 |