Hop Science Newsletter – May 2021

Christina Schoenberger

EMBRACE SLEEP WITH HOPS A Finnish research team looked into the sedative effects of hops. Apart from hop oil, it is not clear which compounds are responsible for the sedative effect of hops. In this study it was revealed that humulone acts as a positive modulator of GABA A (gamma-amino-butyric acid; a protein complex) receptors…  Read More

LITTLES HELPERS FROM THE WORLD OF MICROORGANISMS The production of alcohol free-beer is becoming more important with consumers very consciously choosing their food for a healthier lifestyle. Alcohol-free beer should be part of it, but it needs to be flavourful. This Chinese research team investigated the suitability of the yeast strain Pichia Kluyveri var Kluyveri…  Read More

A PILS A DAY KEEPS MENTAL FATIGUE AWAY… Japanese researchers investigated the question whether hop bitter acids in beer have an impact on the cognition of healthy adults, specifically human cognition, mental fatigue, and mood state. In this randomized double-blind placebo-controlled study, 60 healthy adults (age 45–64 years) with self awareness of cognitive decline were…  Read More

THE POTENTIAL IN DRY HOPPING The different growing regions of hop production also use different techniques for hop drying after harvest. This US Team did a comparison of different kilning procedures. In the US the traditional hop method is to pile them 60-80 cm in large boxes and to run through the beds with air…  Read More