A popular social media claim says that genuine olive oil should turn green and solidify like butter when placed in the fridge.
This is a myth.
In cold temperatures, olive oil may:
- become cloudy,
- thicken,
- partially solidify,
- or remain mostly liquid.
Its reaction depends on the olive variety, harvest time, region, natural wax content and fatty acid composition.
Lower-quality oils and blends may also thicken in the refrigerator. This means the fridge test cannot confirm authenticity or quality.
🟢 Green colour is not proof of quality either.
High-quality olive oil may be green, golden or yellow. Professional tasters often use dark-coloured glasses so that appearance does not influence their judgement.
Real quality is assessed through:
- 🔬 laboratory analysis
- 👃 aroma
- 👅 flavour
- 🌿 freshness
- 📍 origin and proper storage
A good extra virgin olive oil may have aromas of fresh grass, herbs, tomato leaf, green almond or artichoke. Pleasant bitterness and a peppery sensation in the throat are often linked to natural polyphenols.
Do not judge olive oil by whether it freezes. Judge it by its origin, freshness, aroma, flavour and laboratory results.
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