The most reliable indicator is the harvest date. Varieties Known for High Polyphenol Content.
Polyphenols in Olive Oil: Key to the Mediterranean Diet
Additionally, certifications such as PDO (Protected Designation of Origin) or PGI (Protected Geographical Indication) often denote traditional growing regions known for producing robust, high-polyphenol varieties. To maximize the lifespan of these compounds, consumers must store oil in dark glass bottles, in a cool, dark cupboard, and use the product relatively quickly after opening to enjoy the full spectrum of benefits.
Storage and Oxidation Even after extraction, the battle to preserve olive oil highest in polyphenols continues. Ultimately, trusting your senses is the final test—an authentic, high-polyphenol oil will deliver a lingering peppery finish that engages the senses.
Polyphenols in Olive Oil: Key to the Mediterranean Diet
In the context of olive oil, these compounds are primarily responsible for the distinct bitterness and pungency you might notice on the back of your throat. Once the bottle is opened, the oxidation process begins, steadily degrading the antioxidant content.
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