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[-] whodatdair@lemmy.blahaj.zone 25 points 2 days ago* (last edited 2 days ago)

Copper sulfate used to be added to canned peas because it turns green when it oxidizes, making them look greener.

Copper sulphate is straight up poisonous, enough will kill a passion and low amounts will hurt them.

Anyone who wants to learn more about this history, there is a great episode of the “ridiculous history” podcast that goes into the story that finally got food regulations in the US. A team of people who volunteered to be poisoned to help prove that certain things are unsafe to put in food.

[-] spankmonkey@lemmy.world 19 points 2 days ago

enough will kill a passion

Those poor, poor passions!

this post was submitted on 30 Apr 2025
1925 points (99.5% liked)

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