this post was submitted on 20 Nov 2024
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[–] [email protected] 91 points 4 weeks ago (17 children)

Fun fact: "Black olives, though labeled as “ripe” on supermarket cans, actually aren’t: these, a California invention, are green olives that have been cured in an alkaline solution, and then treated with oxygen and an iron compound (ferrous gluconate) that turns their skins a shiny patent-leather black."

https://www.nationalgeographic.com/culture/article/olives--the-bitter-truth

[–] [email protected] 18 points 4 weeks ago (8 children)

It's also the only food where ferrous gluconate is allowed to be in, at least in Germany (and EU I guess). For everything else it's forbidden.

Actual black olives exist, but they're expensive.

[–] TheBat 9 points 4 weeks ago (7 children)

Actual black olives exist, but they're expensive

😦

What have I been buying from Del Monte for ~$4?

[–] quinkin 4 points 4 weeks ago (2 children)

These?

If so they are real olives, not whatever everyone is talking about.

[–] [email protected] 3 points 4 weeks ago

They're also not called black olives, though. If that's what they meant, those are natural.

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