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. 2020 May 22;9(5):659. doi: 10.3390/plants9050659

Figure 2.

Figure 2

Ammonia determination with the Nessler colorimetric test in raw fish patty samples up to 14 days at 4 °C under simulated retail display conditions. Control sample (C); sample enriched in citrus (Ct); sample enriched in hydroxytyrosol (HXT); sample enriched in pomegranate (P); sample enriched in rosemary (R).