Table 5.

The in vitro effects of ETP, CTP, and active ingredients of ETP to catalase activity in S. aureus strains.

Sample	Initial Catalase Activity (U/mL) in S. aureus Strains (Mean ± S.D.)	Catalase Activity (U/mL) in S. aureus Strains after Pre-Treatment with Toothpastes or Active Herbal Ingredients
Control toothpaste (CTP)	2.38 ± 0.90	2.27 ± 0.93
Experimental toothpaste (ETP)	2.38 ± 0.90	1.52 ± 0.13 *
Chamomile leaves extract	2.38 ± 0.90	1.81 ± 0.21
Salvia leaves extract	2.38 ± 0.90	1.28 ± 0.71 *
Arnica flower extract	2.38 ± 0.90	1.68 ± 0.70
Echinacea flower extract	2.38 ± 0.90	1.27 ± 0.71 *
Mixture of extracts	2.38 ± 0.90	1.51 ± 0.42 *

* p < 0.05.