Comments by "Evan" (@MrEvanfriend) on "Medieval Myths DEBUNKED" video.
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The whole "beer was safer than water because it was boiled" thing is also false for another reason: most medieval beer wasn't boiled. Most of the reason that we boil most beers these days is to take advantage of the alpha acids in hops, which were not a particularly common beer ingredient at the time. Boiling also has a couple other advantages, like concentration and caramelization, but isn't at all necessary to create an excellent beer. I've drank and made many no-boil beers that I quite enjoyed. Now, today, when making a no boil beer, we pasteurize it by raising the temperature of the wort to 180° and holding it for 10-15 minutes, but during the medieval period, this would not have been done.
This is not to say that no medieval beer was boiled, some certainly was, but the vast majority of beers consumed by the vast majority of people would not have been.
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