Comparison of headspace solid-phase microextraction with conventional extraction for the analysis of the volatile components in Melia azedarach

► HS-SPME, SE and UAE methods are used to study the volatile compositions of Melia azedarach. ► The HS-SPME method is first used with simple, fast and solvent-free merits. ► 79 compounds are identified, among which 64 compounds are first reported. ► 37 compounds are identified by the HS-SPME alone.