The crude DCM and MeOH extracts were
analysed for chemical components by gas chromatography–mass
spectrometry (GC–MS) using an Agilent 6890 gas chromatograph
with HP 5973 mass-selective detector (Agilent Technologies, Santa
Clara, CA), equipped with a fused silica capillary column (HP-5MS:
30 m 0.25 mm i.d., 0.25 lm film thickness; Agilent).