Abstract

Volatile organic compounds generated microbiologically under anaerobic conditions from various soils amended with glucose and amino acids were identified by combined gas chromatographymass spectrometry. Volatile compounds were usually found up to 4 weeks and sometimes longer. Acetaldehyde, acetone, methyl ethyl ketone, methyl propyl ketone, diacetyl, ethanol, n- and iso-propanol, n-, 2- and iso-butanol, acetic acid, butyric acid, ethyl acetate, ethyl butyrate, butyl acetate, butyl butyrate, methane thiol, dimethysulfide, dimethyldisulfide and methyl thioacetate were detected at various time intervals. Volatile organic sulfur compounds were evolved from soils amended with glucose and methionine but not with glucose and cysteine. Volatile nitrogen containing organic compounds were not detected with any of the amended soils.

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