Beer ageing: how stable are hop bitter substances?
Hop addition | A number of studies are available on the behaviour of hop bitter substances during beer ageing and potential sensory repercussions; a survey can be found in “Hops – from Cultivation all the way to Beer” [1]. None of these studies tried to address the question whether changes in bitter substances differ between exclusively hot hopped beers and dry hopped beers. To investigate this question, a bottom-fermented test beer was late hopped and, in addition, part of the test beer was dry hopped. The beers were aged systematically and analysed.
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