A masters thesis project sampled 106 retail packs of frozen shrimp (prawns) on sale in California and tested them for declared weight (i.e. excluding glaze), declared species and declared country of origin. 26% of samples had >20% glaze and 37% were legally underweight, rising to 57% in the super/extra colossal shrimp category. Ambiguous or incorrect species labelling was also observed in 37% of samples. The vast majority (98%) of country of origin labels were verified as correct.
Photo by Fernando Andrade on Unsplash
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