Vegetarianism and beer a yeasty flavour. Finings are used to clear the beer of yeast – there are a variety of agents used as finings, including silicon dioxide, gelatin, polyclar, and isinglass. Isinglass is the most common fining used to clear cask ale. Isinglass is produced from the swim bladders of fish, usually sturgeon, though also those in the polynemidae, sciaenidae and siluridae families; as it is an animal product, cask ale cleared with isinglass is not considered vegetarian. A brewer may also use some form of animal product in the later stages of beer processing, such as glycerol monostearate, which is used
The Fish and the Ring her wedding ring in a spring, to her great distress. When she prayed for the return of the ring, a trout appeared on the surface of the water with the ring in its mouth. She exclaimed "Truly this place is a "Val d'Or"", from which the name "Orval" is derived, and in gratitude made available the funds for the foundation of the monastery here. The abbey arms show the trout and ring. The spring still supplies water to the monastery and its brewery. The Fish and the Ring "The Fish and the Ring" is an English fairy tale collected by