Table 6 : Minimum bactericidal concentration (MBC) of propolis dry extracts obtained for the
encapsulating system A (arabic gum and silicon dioxide, 1:1) and B (modified starch and
silicon dioxide, 1:1) against Staphylococcus aureus and Escherichia coli.

Microorganism MBC (mg/ml)
Encapsulating system A Encapsulating system B
S.aureus ATCC 25923 3.90±0.00 1.95±0.00
E. coli ATCC 25922 31.25±0.00 31.25±0.00

Data are shown as mean±SD (n=3)

Berretta et al.Journal of Pharmaceutical Technology and Drug Research  2015 4:1DOI : 10.7243/2050-120X-4-1