Skip to main content
. 2018 Sep 14;15(9):2002. doi: 10.3390/ijerph15092002

Table 1.

Level of microbial contamination of investigated honeys samples and antimicrobial potential of isolates.

Honey Sample No. of Colonies per Plate CFU/ mL of the Product Activity against S. aureus ATCC 25923 Activity against S. aureus ATCC 29213 Activity against S. epidermidis ATCC 12228 Activity against E. coli ATCC 25922 Activity against P. aeruginosa ATCC 27857 Activity against C. albicans ATCC 10231 Activity against L. momocytogenes ATCC 7644
No. of Colonies (%) No. of Colonies (%) No. of Colonies (%) No. of Colonies (%) No. of Colonies (%) No. of Colonies (%) No. of Colonies (%)
3/16 17 34 5 29.41 3 17.65 6 35.29 0 0 0 0 2 11.76 1 5.88
21/16 3136 * 3272 5 25.00 4 20.00 0 0 1 5.00 0 0 3 15.00 0 0
24/16 1520 * 3040 0 0 0 0 0 0 0 0 0 0 0 0 1 5.00
26/16 3 6 1 33.33 1 33.33 1 33.33 0 0 3 100 0 0 1 33.33
28/16 25 50 0 0 0 0 1 4.00 0 0 0 0 0 0 0 0
GBY-GR1 22 44 4 18.18 3 13.65 6 27.27 1 4.55 0 0 2 9.09 7 31.82
J.K/2018 4 8 0 0 0 0 0 0 0 0 0 0 0 0 3 75.00
NGR1 173 * 346 13 65.00 13 65.00 14 70.00 0 0 0 0 0 0 18 10.40
SH2 5 10 2 40.00 2 40.00 1 20.00 0 0 0 0 1 20.00 2 40.00
Spa01 9 18 4 44.44 2 22.22 5 55.56 0 0 0 0 0 0 1 11.11
St01 1 2 1 100 1 100 1 100 0 0 0 0 0 0 0 0
WLK 17 34 3 17.65 4 23.53 6 35.29 0 0 0 0 5 29.41 0 0
Total 38 33 41 2 3 13 34

* 20 randomly selected colonies with a different morphological appearance were selected for further research.