Table 3 Psychrotrophic growth parameters of rainbow trout (Oncorhynchus mykiss) fillets coated with optimized essential oil (EO) blend and stored under refrigeration (4 ± 1 °C) for nine days.

From: Oil-in-water emulsion loaded with optimized antioxidant blend improved the shelf-life of trout (Oncorhynchus mykiss) fillets: a study with simplex-centroid design

Treatments*

Lag phase#

µmax#

Shelf life#

Control

1.80 ± 0.58a

0.70 ± 0.06a

8.10

BHT

2.16 ± 0.35a

0.65 ± 0.02a

8.10

EO100

2.54 ± 0.30a,b

0.71 ± 0.05a

8.10

EO1000

2.52 ± 0.13a,b

0.66 ± 0.02a

8.28

EO2000

3.26 ± 0.30b

0.69 ± 0.03a

8.64

  1. #Mean ± standard deviation (n = 3); Lag phase in days; µmax (exponential growth rate) in log colony-forming unit (CFU)/g/h; shelf life in days (≥ 7 log CFU/g; ICMSF, 2018). *Control (absence of antioxidant); BHT (100 ppm of butylhydroxytoluene); EO100 (100 ppm of the optimized blend); EO1000 (1000 ppm of the optimized blend); EO2000 (2000 ppm of the optimized blend).
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