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QUANTITATIVE ANALYSES OF BEER BITTERING SUBSTANCES AND HOP RESINS BY THIN‐LAYER CHROMATOGRAPHY
Author(s) -
Aitken R. A.,
Bruce A.,
Harris J. O.,
Seaton J. C.
Publication year - 1968
Publication title -
journal of the institute of brewing
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.523
H-Index - 51
eISSN - 2050-0416
pISSN - 0046-9750
DOI - 10.1002/j.2050-0416.1968.tb03156.x
Subject(s) - hop (telecommunications) , thin layer chromatography , chromatography , chemistry , thin layer , layer (electronics) , organic chemistry , computer science , computer network
A simple thin‐layer chromatographic procedure for the quantitative analysis of beer bittering substances is described. In the beers examined, 88–100% of the Brenner determination can be attributed to isohumulones A and B and the ratios of these two isomers show a real variation. Alpha‐acids have been shown to be present in our beers. Thin‐layer chromatography has also been adapted for analysis of hop resins and with fresh hops excellent agreement has been obtained with the conductometric method of analysis.