Premium
SHORT‐CHAIN FATTY ACIDS IN SEVEN STERILE THIOGLYCOLLATE MEDIA
Author(s) -
HØVerstad Torgeir,
Midtvedt Tore
Publication year - 1987
Publication title -
acta pathologica microbiologica scandinavica series b: microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.909
H-Index - 88
eISSN - 1600-0463
pISSN - 0108-0180
DOI - 10.1111/j.1699-0463.1987.tb03114.x
Subject(s) - isobutyric acid , valeric acid , chemistry , caproic acid , butyric acid , acetic acid , volatile fatty acids , chromatography , bacteria , fatty acid , metabolism , food science , biochemistry , biology , fermentation , rumen , genetics
Short‐chain fatty acids (SCFAs) were analysed by gas chromatography in 7 sterile fluid thioglycollate media. The total SCFA concentration varied from 250 μmol/l to 1720 μmol/l. Acetic acid (52.0%–91.3% of total SCFA concentration) and n‐butyric acid (5.8%–48.0% of total concentration) were the main acids in all sterile media; low concentrations of propionic, isobutyric, isovaleric, and n‐valeric acid were present in most media. In studies of bacterial metabolism, or when analyses of SCFAs are used for identification of bacteria, testing of the sterile medium is necessary.