Table 3 Products arising from the pyrolysis of the lecithin sample.

From: Intact polar lipids as organic biomarkers of viable extraterrestrial life

Pyrolysis product

Pyrolysis-GC-MS

Pyrolysis-derivatisation- GC-MS

Palmitic acid

(1TMS)

Linoleic acid

(1TMS)

Oleic acid

(1TMS)

Stearic acid

(1TMS)

Dehydrated glyceryl monopalmitate

 

Dehydrated glyceryl monolinoleate

 

Dehydrated glyceryl monooleate

 

Glyceryl monopalmitate

 

(2TMS)

Glyceryl monolinoleate

 

(2TMS)

Glyceryl monooleate

 

(2TMS)

Glyceryl monostearate

 

(2TMS)

Phosphoric acid

 

(3TMS)

  1. Tick marks indicate observation of the compound in the TIC. TMS Trimethylsilyl derivative.