Green beer, beer
The original gravity (p), apparent extract (EA) and real extract (ER) of the green beer and the fully matured beer are measured. From this, the apparent and real attenuation are calculated. Normally, only the apparent attenuation of beer is determined in practice.
Unfiltered, cloudy beer samples
Analysis of the microbiological status of green beer samples, in particular the presence of obligate beer-spoilage organisms and wild yeasts.