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I’d have to find the video, but some outfit did a survey of all the various “extra-virgin olive oil” brands on US store shelves, and found that most (not “some” -most-) were crap.

I think the issue was most were more like “pure” olive oil, with food coloring.

Many of the pricey ones that come in small, expensive bottles, were not actually what any decent European would expect from the cheapest canned oil.

There’s an old study by UC Davis also [0]

[0] https://www.ucdavis.edu/news/imported-olive-oil-quality-unre...

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