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. 2015 Sep 8;53(1):685–693. doi: 10.1007/s13197-015-2018-6

Table 2.

Antimicrobial activity of the GEO and CF in disc-diffusion method

Sample *Inhibition zone (mm)
Staphylococcus aureus, isolated from fish Staphylococcus aureus, Escherichia coli, isolated from fish Escherichia coli,
ATCC 25923 ATCC 25922
DMSO (Negative Control) 0.00 ± 0.00Aa 0.00 ± 0.00Aa 0.00 ± 0.00Aa 0.00 ± 0.00Aa
Plastic Film 0.00 ± 0.00Aa 0.00 ± 0.00Aa 0.00 ± 0.00Aa 0.00 ± 0.00Aa
CF 0.00 ± 0.00Aa 0.00 ± 0.00Aa 0.00 ± 0.00Aa 0.00 ± 0.00Aa
CF (A) 6.7 ± 0.65Cb 8.5 ± 0.29Db 1.2 ± 0.24Ab 2.5 ± 0.43Bb
CF (B) 7.4 ± 0.05Bb 9.9 ± 0.29Cb 2.5 ± 0.10Ac 2.9 ± 0.67Ab
CF (C) 10.2 ± 0.31Cc 14.5 ± 0.71Dc 3.9 ± 0.45Ad 4.5 ± 0.83Bc
GEO (A) 21.33 ± 0.33Cd 22.17 ± 0.16Dd 4 ± 0.33Ad 5 ± 0.10Bc
GEO (B) 24.63 ± 0.15BCe 25.45 ± 0.11Ce 9 ± 0.12Ae 9.2 ± 0.44Ad
GEO (C) 28.67 ± 0.10Cf 32.33 ± 0.34Df 11 ± 0.15Af 13 ± 0.46ABe
Ampicillin (Positive Control) 30.45 ± 0.15Cg 35.12 ± 0.16Dg 20 ± 0.43Ag 24 ± 0.12Bf

GEO = Ginger Essential Oil, CF = Chitosan Film

A = 0.1 %, B = 0.2 %, and C = 0.3 % GEO

a-gMean ± standard deviation in the same column with different superscripts are significantly different (p < 0.05)

A-DMean ± standard deviation in the same row with different superscripts are significantly different (p < 0.05)