Chemical Characterization and Cytotoxic/Antibacterial Effects of Nine Iranian Propolis Extracts on Human Fibroblast Cells and Oral Bacteria

Table 4

Mean area of microbial growth inhibition zones in mm () provided by the EEP samples.

Samples	2 × MBC concentrations of each Propolis									CHX 0.2%
	1	2	3	4	5	6	7	8	9
S. mutans	9.5	16	14	15	15	15.5	16	10	14.5	20
S. salivarius	11	14	12	14	14	15	16	11	13	20
S. mitis	12.5	15	7.5	16.5	14	15.5	17	12	14.5	19.5
L. acidophilus	10.5	13.5	11	13.5	14	15	14	9	12	21
C. albicans	10.5	12	9.5	12.5	13.5	13	11.5	12	11	19
E. coli	10.5	14	11	13.5	14	15.5	14	9	11.5	20
S. aureus	12	15	8	16	14	15.5	16	12	14	20

Kermanshah (sample 1), Fasa (sample 2), Tabriz (sample 3), Neor Lake (sample 4), Sarab (sample 5), Gilan (sample 6), Khalkhal (sample 7), Kurdistan (sample 8), and Fereydun Shahr (sample 9). There were statistically difference between groups 2, 4, 5, 6, 7, and 9 (-value < 0.05). There was a statistical difference between groups 1, 3, and 8 (-value < 0.05). There were statistically difference between groups 2, 4, 5, 6, 7, and 9 with 1, 3, and 8 (-value<0.001).