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Table 3 Antimicrobial activity (radius of suppressed microbial growth zone in mm) and DPPH RSA spectrophotometric data (% inhibition) of propolis extracts

From: Alternative preparation of propolis extracts: comparison of their composition and biological activities

Propolis extracts DPPH RSA (%) Reference microbial cultures
Staphylococcus aureus ATCC 25923 Escherichia coli ATCC 25922 Pseudomonas aeruginosa
ATCC 27853
Klebsiella pneumoniae
ATCC 33499
Bacillus cereus ATCC 8035 Candida albicans ATCC 60193
W1 26.3 0 0 0 0 0 0
W2 65.8 16.2 ± 1.2 16.0 ± 1.4 18.3 ± 1.1 19.4 ± 1.3* 16.9 ± 1.1 19.0 ± 0.5
A1 20.6 0 0 0 0 0 0
A2 58.1 16.6 ± 1.5 16.2 ± 1.7 17.3 ± 1.4* 20.5 ± 1.1 * 17.8 ± 0.9 20.3 ± 1.2
EEP 52.1 15.8 ± 0.7 14.8 ± 1.0 15.2 ± 1.5 15.4 ± 0.9 17.2 ± 0.6 16.9 ± 1.4
Positive
Control
  Ampicilinum
19 ± 0.5
Ampicilinum
13 ± 1.4
Ceftazidinum
16 ± 1.2
Cefuroximum
18 ± 0.6
Ampicilinum
10 ± 1.0
Fluconazolum
18 ± 1.3
  1. 0 - examined preparation has no activity on growth of investigated microbial cultures. Number of experiments – 4–6. * - P < 0.05 vs EEP