Table 1. Putative ID and Chemical Formula of the Hydrocarbon Species Present within the Lipid Standards Dataa.
| number
of features |
||||||
|---|---|---|---|---|---|---|
| putative ID | chemical formula | PE | PC | PS | CL | GlcSph |
| decane | C10H22 | 2 | 0 | 2 | 2 | 0 |
| dodecane | C12H26 | 9 | 4 | 6 | 7 | 6 |
| tridecane | C13H28 | 1 | 0 | 0 | 1 | 0 |
| tetradecane | C14H30 | 2 | 0 | 2 | 0 | 0 |
| pentadecane | C15H32 | 2 | 0 | 2 | 2 | 2 |
| hexadecane | C16H34 | 6 | 1 | 2 | 6 | 1 |
| heptadecane | C17H36 | 2 | 2 | 4 | 3 | 1 |
| nonadecane | C19H40 | 0 | 0 | 1 | 2 | 0 |
| eicosane | C20H42 | 2 | 2 | 4 | 3 | 0 |
| heneicosane | C21H44 | 0 | 0 | 0 | 0 | 1 |
| docosane | C22H46 | 0 | 1 | 0 | 1 | 0 |
| tricosane | C23H48 | 3 | 0 | 3 | 2 | 0 |
| tetracosane | C24H50 | 0 | 0 | 0 | 0 | 2 |
a
The number of distinct features that are annotated with each given compound ID is listed beside. The lipid abbreviations are as follows: PE, phosphatidylethanolamine; PC, phosphatidylcholine; PS, phosphatidylserine; CL, cardiolipin (18:1); and GlcSph, glucosylsphingosine.