On the fate of hop-derived branched-chain esters
Hop-derived branched-chain esters | Craft beers contain various hop-derived esters, for example isobutyric esters (isobutyl isobutyrate, isoamyl isobutyrate, and 2-methylbutyl isobutyrate) and ethyl esters of branched-chain fatty acids (ethyl isobutyrate, ethyl isovalerate, and ethyl 2-methylbutyrate). Many researchers have reported of various hop-derived esters for a long time. However, the fate of such esters during beer production is not yet sufficiently known. This study proposes a new hypothesis about a possibility of transesterification between several hop-derived branched-chain esters. The following article summarises a part of the research results which have already been published in BrewingScience 71, 2018, issue 6: November/December.
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