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Key concepts. Olives are stone fruits, like cherries and plums. So real extra virgin olive oil is fresh-squeezed fruit juice – seasonal, perishable, and never better than the first few weeks it was made.


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More than two-thirds of common brands of extra-virgin olive oil found in grocery stores aren't what they claim to be. Here's how to spot the real stuff.


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Two Step Olive Oil Purity Test. A simple 2-step test for determining the purity of your olive oil.