Table 3.

Antimutagenic effect of C-HMMP produced by C. acutatum on the mutagenicity induced by S9-dependent mutagen (2-AF).

Conc. (mg/plate)	No. of revertant colonies	% of inhibition
0.05	867 ± 4.5e	6.3
0.1	752 ± 11.1d	19.5
0.25	586 ± 8.4c	38.4
0.5	465 ± 5.2b	52.2
1.0	321 ± 3.3a	68.6
Positive control (2-AF)	923 ± 3.7	−
Negative control (without mutagen)	43 ± 1.4	−
Spontaneous	46 ± 2.3	−

Values are given, as mean ± SE. Different letters between the columns are significantly different (Tukey’s test, p ≤ 0.05).