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10 June 2026

Salmon in the refrigerator: this yellow spot indicates fat oxidation, not necessarily contamination

Did you buy salmon a few days ago and notice an unusual yellow spot on its surface? This phenomenon, often alarming, is not necessarily synonymous with contamination. It may be a natural oxidation of fats, called “fat bloom,” a common phenomenon during prolonged storage in the refrigerator.

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Illustration image © TopTenPlay
Symbolbild © TopTenPlay

This surprising discoloration has a precise scientific name: the…

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