Now this is important! We’re talking beer! Guinness’ Fish Bladder Problem: Ingredient Used In Brewing Process Means It’s Not Quite Vegetarian
Smithsonian.com’s Food&Think blog published on Wednesday an in-depth explanation of isinglass, a form of collagen culled from a dried swim bladder, an internal fish organ that helps regulate buoyancy in water. It’s used in a process called fining — when unwanted leftovers, like solid particles and degenerated yeast cells, are removed from the brewing process. These elements settle on their own to the bottom of a cask in a jelly-like clump, but isinglass quickens the process and makes them easier to remove. continue
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