Exfoliatus SAMAH 2021 were dried over anhydrous Na2SO4 using a rotary evaporator, then dissolved by methanol. A capillary column TG-5MS (30 m × 0.25 mm × 0.25 m movie thickness) and a Trace GC-TSQ mass spectrometer (Thermo Scientific, Austin, TX, USA) have been used. The column temperature was maintained at 50 °C and raised by 5 °C/min till reaching 250 °C, then maintained for two min. […]