EQUIPMENTS Chromatography Instrumentation Gas Chromatography (GC) (Shimadzu-2010 with FID 20i Auto Injector) Gas chromatography–mass spectrometry (GC-MS) (Shimadzu QP-2010 Plus with EI Source, AOC-201) SHIMADZU High Performance Liquid Chromatography (HPLC) (LC-20A series)