Mutagenicity of <i>Cotoneaster</i> extract towards <i>S. typhimurium</i> TA98 and TA100 strains with or without S9.

ab<p>Differences between groups having the same letter in the same column are not statistically significant (ANOVA, Tamhane, <i>p</i>>0.05).</p><p>*Negative control: Sterile distilled water (100 µl/plate) was used as negative control for <i>S. typhimurium</i> TA98 and TA100 both in the presence and absence of S9.</p>®<p>Positive controls:</p><p>2-Aminofluorene (5 µg/plate) was used as positive indirect mutagen in the presence of S9 mix; 4-nitro-<i>O</i>-fenilendiamine (20 µg/plate) was used as positive direct mutagen in the absence of S9 mix for <i>S. typhimurium</i> TA98 strain.</p><p>2-Aminoanthracene (20 µg/plate) was used as positive indirect mutagen in the presence of S9 mix; Sodium azide (5 µg/plate) was used as positive direct mutagen in the absence of S9 mix for <i>S. typhimurium</i> TA100.</p><p>Mutagenicity of <i>Cotoneaster</i> extract towards <i>S. typhimurium</i> TA98 and TA100 strains with or without S9.