Dry Hopping and Its Effect on Beer Foam
Impact analysis | Dry hopping is a very popular method to bring hop aroma to beer. But how can it influence the brewing process and the final beer? The first part of this paper (BRAUWELT International No. 1, 2018, pp. 25-29) discussed the impact it can have on bitterness, the IBU, and pH. This contribution focuses on foam, as many craft brewers who dry hop experience poor foam stability while others do not. To better understand the impact dry hopping can have on beer foam, a series of dry hopping experiments were performed and foam measurements were made to see what factors effect beer foam stability.
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