ISSN:
1438-2385
Keywords:
Key words 2-Methylbutanol
;
3-Methylbutanol
;
Carbon-13/carbon-12 isotope ratio analysis
;
Gas chromatography-isotopic ratio mass spectrometry
;
Authenticity assessment
Source:
Springer Online Journal Archives 1860-2000
Topics:
Process Engineering, Biotechnology, Nutrition Technology
Notes:
Abstract Enantioselective gas chromatography and/or 13C/12C isotope ratio analysis are suitable tools for the authenticity assessment of the fusel alcohols, 2- and 3-methylbutanol (1 and 2, respectively). The chiral compound, 1 is biosynthesised almost completely as the (S)-enantiomer, regardless of which carbohydrate source is used for fermentation. The type of CO2 fixation and some plant-specific influences were of prime importance to the 13C/12C isotope ratios of the starting materials in alcoholic fermentation, and the δ13C values of 1 and 2 differed significantly. In general, the δ13C values of 2 were about 4–5ö lower than those of 1 produced via the same fermentation process. 13C/12C isotope ratio analysis results can be used to determine between fusel alcohols produced from different sources, and provides a new and valuable method of authenticity assessment.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/s002170050448
Permalink
