Concentration Details

Metabolite
HMDB0001873 (Isobutyric acid)
Biospecimen
Feces
Status
Detected and Quantified
Data source
Referenced
Concentration
80-2260 nmol/g wet feces
Age
Adult (>18 years old)
Sex
Both
Condition
Normal
Comments
Wet feces samples (n=6) were used in the study. Instrument: LC-MS. Technology specification: targeted RP-UPLC-MS/MS (Sciex Qtrap 4000) in negative ionization mode; derivatization with 3-nitrophenylhydrazine (3-NPH). The original concentration was reported as 0.08-2.26 umol/g.
References
    1. Han J, Lin K, Sequeira C, Borchers CH: An isotope-labeled chemical derivatization method for the quantitation of short-chain fatty acids in human feces by liquid chromatography-tandem mass spectrometry. Anal Chim Acta. 2015 Jan 7;854:86-94. doi: 10.1016/j.aca.2014.11.015. Epub 2014 Nov 15. [PubMed:25479871 ]