ABC news reports that this week, Guinness Brewing company announced that it will no longer use
fish bladders (called isinglass) in an effort to allow vegetarians and
vegans to enjoy the beer.
"Isinglass has been used widely within the brewing industry as a means
of filtration for decades," officials from Guinness said in a statement.
"However, because of its use we could not label Guinness as suitable
for vegetarians and have been looking for an alternative solution for
some time. We are now pleased to have identified a new process through
investment in a state-of-the-art filtration system."
Isinglass is actually a gelatin made of fish bladders and since it's
used in production, it's unlikely to leave any fishy taste behind.
Alastair Boase, owner of Macleodale Brewing Company in Van Nuys, Calif.,
said many of the big brewing houses have transitioned to larger
filtration systems, but his company has continued to use isinglass
because it's effective and low cost.
Newcastle Brown Ale also uses isinglass during the production process.
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