UV-C Radiation as a Factor Reducing Microbiological Contamination of Fish Meal

Table 6

Parameters describing inactivation kinetics of the studied bacteria in fish meal as affected by UV-C radiation.

Type of meal	Bacteria	Theoretical lethal dose (J·m^−2)	Inactivation rate (logMPN×(J·m^−1))	𝐷90 (J·m^−2)
Salmon	Salmonella spp.	670.99A,a (±184.12)*	0.008A,a (±0.0002)*	128.21A,a (±23.17)*
	E. coli	477.37B,b (±97.41)*	0.010A,a,b (±0.0007)*	103.09A,b (±31.67)*
	Enterococcus spp.	363.34C,c (±102.02)*	0.011A,a,b (±0.001)*	91.74A,c (±14.08)*
	Spores of; C. sporogenes	159571.1D,d (±10593.3)*	0.000039B,c (±0.000002)*	25641.0B,e (±1006.3)*
Cod	Salmonella spp.	688.36A,a (±113.25)*	0.008A,a (±0.0006)*	133.33A,a (±40.52)*
	E. coli	413.14B,b (±127.55)*	0.010A,a,b (±0.002)*	104.17A,b (±17.94)*
	Enterococcus spp.	363.95C,c (±92.09)*	0.012A,b (±0.004)*	80.65A,d (±10.55)*
	Spores of; C. sporogenes	66836.9E,e (±8369.12)*	0.000097C,d (±0.000011)*	10309.3C,f (±2603.6)*

A, B, C,…: highly statistically significant differences at 𝑃≤0.01.
a, b, c,…: statistically significant differences at 𝑃≤0.05.
∗Standard deviation.