Gas Chromatography–Mass Spectrometry (GCMS) analysis was performed to determine the composition of MOEO using GCMS-QP-2010 Plus Gas chromatograph Mass Spectrometer, Shimadzu, Japan. Sample size and GCMS conditions such as oven temperature, ramp rate, split ratio, the flow rate of Helium, and temperature of the ion source and injector were used as reported in our previous study [31 (link)]. The analysis was performed by similarity searches in the National Institute of Standards and Technology (NIST) mass spectra database with the obtained pure mass spectrum of each component.
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