A striking gap exists between what olive oil labels promise and what laboratory analysis reveals. Industry surveys across seven European countries found that 96% of retail extra virgin olive oil contains polyphenol levels below the 250 mg/kg threshold established by the European Food Safety Authority for cardiovascular health claims. In Italy, 90% of retail stock fails to meet this standard—despite all bottles bearing the ‘extra virgin’ designation.
This paradox reflects a fundamental mismatch in quality standards. The International Olive Council’s grading system measures oxidative stability and freshness, not bioactive compound concentration. The result is a 170-fold variation in polyphenol content within the same premium grade. Given that high-polyphenol olive oil consumption correlates with 31% fewer cardiovascular events in controlled trials, the absence of mandatory polyphenol labelling represents a significant public health oversight.
Read the full article on GMJ Newsroom.
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