. 2015 Dec 26;5(1):3. doi: 10.3390/foods5010003

Table 1.

Viable counts of Aspergillus niger and Penicillium expansum after 24 h in contact with the different plant extracts (E) in PDB at 25 °C.

E	Concentration (v/v)	A. niger Log(UFC/mL)	P. expansum Log(UFC/mL)
Control	-	4.36 ± 0.10 ^a	4.56 ± 0.09 ^a,b
Echinacea extract	1%	4.35 ± 0.16 ^a	4.7 ± 0.4 ^b
Echinacea extract	10%	4.44 ± 0.12 ^a	4.60 ± 0.10 ^a,b
Horsetail extract	1%	4.64 ± 0.07 ^b	4.64 ± 0.02 ^a,b
Horsetail extract	10%	4.72 ± 0.02 ^b	4.9 ± 0.2 ^c
Liquid smoke	1%	4.53 ± 0.05 ^a,b	4.56 ± 0.02 ^a
Liquid smoke	10%	5.04 ± 0.22 ^c	5.252 ± 0.002 ^d
Neem oil	1%	4.35 ± 0.10 ^a	4.34 ± 0.06 ^e
Neem oil	10%	0 ^d	0 ^f

^{a, b, c, d, e, f} different letters in the same column indicate significant differences among formulations (p < 0.05).