Hop Freshness – Part 2: Hop Bitter Acids

This post continues the hop freshness series looking at how hop deterioration is measured, how hop bitter acids can change with age and storage conditions as well as the effects of brewing with aged hops.

Hop Freshness – Part 1: Hop Degradation and the Supply Chain

Ever wonder if you should brew with that crusty old pack of hops at the back of the freezer? The answer’s probably not but in this series I investigate why. Starting with factors that impact hop deterioration and the importance of the hop supply chain in preserving hop quality.

Conclusions and Recommendations

Short summary of the main conclusions and some practical brewing recommendations from my MSc project investigating the effects of different fermentation parameters on wort souring with Lactobacillus.