Table A2.

Description of the columns in tables presenting the Gas Chromatography-Mass Spectrometry results.

Compound	Group and Name of the Identified Compounds
CAS	CAS Registry Number.
m/z	Mass-to-charge ratio (fragmentation ion).
M${}^{+}$	Molecular ion.
t${}_{ret.}$	Retention time.
RI${}_{exp.}$	Experimental value of the Retention Index.
RI${}_{lit.}$	Literature value of the Retention Index.
TIC	Percentage of the Total Ion Current.