Sometimes is even has added color to make the oil look like olive oil.
Fraud olive oil is as big a trade as cocaine.
Here are tips they offered:
- buy dark bottles
- look for a harvest date, and buy within 15 months of it
- check for a seal
- look to see where it was produced
- take your extra virgin olive oil and put it in the fridge overnight. Olive oil should pretty much freeze in the temperature range found in your fridge.