Baltic salmon identification by pollutants fingerprint

12224264860?profile=RESIZE_400xBaltic salmon is relatively low value, because of concern about environmental contaminants, and can be fraudulently substituted for salmon from more premium origins.  These very pollutants have been used by a recent study (purchase required) as an analytical marker for geographic origin.  The authors used public data from national surveys of dioxins and PCB congeners in salmon to train a Machine Learning classification model.  The model could differentiate Baltic salmon from other origins (China, Chile, Canada, Norway, USA, and Vietnam) based on their analytical profile of chlorinated persistent organic pollutants.

Photo by Bernd 📷 Dittrich on Unsplash

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