Is isinglass used in Guinness?
- Is isinglass used in Guinness?
The news that Guinness is to stop using isinglass finings to clear its stout led to much media comment — some of it of a ribald nature. “Why do you need to clarify a beer that's jet black?” was a typical comment while others complained it was being done to appease vegetarians.
- Why is it called isinglass?
The Romans were the first to use mica strips to cover window openings. Mica windows were the earliest form of windows in the United States. Because these thin sheets were transparent, they were called isinglass windows.