2.4. Reagents Ethyl acetate, n-butanol, n-hexane, and methanol (both of high purity: 99.99%) were obtained from Baker (USA) and were checked by GC–MS before being used in the analysis for volatile metabolites.
2.4. ReagentsEthyl acetate, n-butanol, n-hexane, and methanol (both of highpurity: 99.99%) were obtained from Baker (USA) and werechecked by GC–MS before being used in the analysis for volatilemetabolites.