Simplified method to quantify geosmin and 2-methylisoborneol concentrations in water and microbiological cultures.
A simple and rapid method for the extraction and quantification of geosmin and 2-methylisoborneol is described. Using methylene chloride extraction and gas chromatography, the procedure eliminates costly stripping devices. Recovery efficiency of the procedure is approximately 65% with a sensitivity equal to the human threshold for these two important off-flavor compounds.
Johnsen
P B
PB
USDA, Agricultural Research Service, New Orleans, LA 70179.
Kuan
J C
JC
D000190:Actinomyces / Q000032:analysis; D001419:Bacteria / Q000032:analysis*; D001892:Camphanes / Q000032:analysis*; D003470:Culture Media; D004355:Drug Stability; D056890:Eukaryota / Q000032:analysis; D005618:Fresh Water / Q000032:analysis*; D008401:Gas Chromatography-Mass Spectrometry; D009284:Naphthols / Q000032:analysis*; D013302:Streptomyces / Q000032:analysis; D014867:Water / Q000032:analysis*
D001892:Camphanes; D003470:Culture Media; D009284:Naphthols; D014867:Water; C005536:2-methylisoborneol; C001278:geosmin