“ Melatonin did not appear mutagenic in either of the tests and significantly reduced … of ChA (%) from 16.9 +/- 1.6 (NMU), 13.7 +/- 3.5 ( CP ) and 8.7 +/- 0.3 (DMH) to 4.5 +/- 0.6, 4.… +/- 0.9 and 5.6 +/- 0.2, respectively, (p < 0.05).”
“Similarly, SHA frequency (%) under the melatonin influence was reduced from 18.6 +/- 0.4 (NMU), 17.7 +/- 0.4 ( CP ) and 10.0 +/- 0.5 (DVH) to 9.9 +/- 0.5, 6.1 +/- 0.3 and 7.5 +/- 0.2, respectively, (p < 0.05).”