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. 1987 Nov 13:409:337-42.
doi: 10.1016/s0021-9673(01)86810-2.

Simplified method to quantify geosmin and 2-methylisoborneol concentrations in water and microbiological cultures

P B Johnsen  1 , J C Kuan
Affiliations

Simplified method to quantify geosmin and 2-methylisoborneol concentrations in water and microbiological cultures

P B Johnsen et al. J Chromatogr. .

Abstract

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.

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