How to check if olive oil is pure
Adulteration worries are common, and not every home test works. The guide on how to check pure olive oil explains each method honestly.
Smell and taste
Fresh extra virgin oil smells of cut grass, green fruit or herbs. A slight bitterness and a peppery catch in the throat are good signs, while a waxy or stale smell is not.
The fridge test
Chilling a bottle to see whether it turns cloudy is popular but unreliable. Different olive varieties solidify differently, so it cannot confirm or rule out purity.
Trust the source
The strongest protection is knowing the producer. Oil sold directly by the grower, with a clear harvest year, removes most of the middlemen where blending happens.