Scientists can tell if olive oil is going bad by shining light on it and watching how the color changes — darker spots mean the good stuff is breaking down, and brighter spots mean bad stuff is...

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Assessing the Oxidative Stability of Extra Virgin Olive Oil from Different Regions Using Fluorescence Spectroscopy

Cross-Sectional Study

In Vitro

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No contradicting evidence found

Olive oil from Al-Jouf stays fresher longer than olive oil from Pakistan when left out at room temperature, based on how quickly it breaks down.

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