Thanks to all for answering. I will try some.
I have read that the mafia in Italy has been mixing into olive oil other ingredients diluting it. They also have killed many by doing so. Google: mafia dilute olive oil
“Bertolli olive oil extra light taste” label says it is a mix of olive oil from 6 different countries!!! That cannot be good!
Label. I noticed in searching that they do not always include this detail. This photo is from the bottle I have.
https://tinyurl.com/42874tau
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Most of all, it’s incredibly lucrative- the fake Extra Virgin Olive Oil market is worth a staggering $16 Billion Dollars a year.
The Shocking Truth about Italian Olive Oil and the Mafia
In Italy, it’s estimated that 50% of olive oils on supermarket shelves are unregulated fakes. Looking beyond Italy, this figure climbs, with studies concluding that around 69% of exported European olive oil isn’t what it claims to be.
https://bangersandballs.co/debunking-myths/olive-oil-and-the-mafia/