this post was submitted on 27 Apr 2024
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[–] [email protected] 62 points 4 months ago* (last edited 4 months ago) (3 children)

Are you asking why beer instead of water?

I believe the gist is that back in ye olden times when everybody was just throwing their sewage into the river, that beer was less likely to kill you because it's boiled before it's fermented. I don't think they made the connection to boiling, but rather knew beer was a safer drink.

I'm spouting this off from memory without looking it up, so no guarantee I'm correct.

[–] [email protected] 38 points 4 months ago (2 children)

It's not just the boiling process. The alcohol in beer is anti-bacterial which allows the water to remain safer to drink for longer.

It wasn't beer in many cases. Grog is basically rum, water, and limes/citrus which help sailors prevent scurvy whilst also protecting them from bacterial infections. I don't believe they boiled the water at all in that case. I believe it was just mixed all together.

[–] [email protected] -4 points 4 months ago (1 children)

Is that proven about the alcohol level being antibacterial? Beer is pretty low on alcohol, even if they did strong beers back then, it would land around 10-12% or so. I am not sure that is enough to do anything to bacteria. Rum or other strong spirits, definitely yes.

[–] [email protected] 8 points 4 months ago

Yes. Beer kills things in the brewing process.

[–] [email protected] 11 points 4 months ago

WOAH TIL grog is an actual thing not just pirate slang for rum! Now I need to recreate one of their old recipes!

[–] [email protected] 24 points 4 months ago* (last edited 4 months ago)

To be fair, that beer was also generally much milder than modern beer, between 1-2% alc per volume (in Europe) , at least per historians and research papers I've read.

Edit: also most of those historians whose books I refer in this context are mostly Finnish, Swedish or German, so that should give some idea about my biases/sources. Its different in the Pacifics and Western Africa, I know.