📌 Onions: why red and yellow varieties surpass white ones in antioxidants

Posted 26 February 2026 by: Admin #Various

Red and yellow onions contain much higher concentrations of antioxidants than their white counterparts, thanks to a wealth of flavonoids like quercetin. These natural compounds from the Allium family play a key role in managing daily oxidative stress. Yet, few truly understand why this color difference makes all the nutritional difference.

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Illustration image © TopTenPlay
Symbolbild © TopTenPlay

Behind the apparent banality of the onion lies a biochemical composition…

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