. 2022 Mar 1;20(1):15593258221074936. doi: 10.1177/15593258221074936

Table 6.

Mutagenic activity of selected medicinal plants against S. typhi TA98 and TA100.

Etahnolic extracts and bacterial strains	Number of positive wells/total number of wells	Results
Mutagenic activity against TA98
(a) Background	20/96	-
(b) Standard (K₂Cr₂O₇)	80/96	+
(c) W. somnifera	8/96	-
Mutagenic activity against TA100
(a) Background	25/96	-
(b) Standard (NaN₃)	86/96	+
(c) W. somnifera	5/96	-

+, significant increase in the number of positive wells compared to the related control (P < .05); -, non-significant (P>.05) effect observed.