Table 5.
Antimicrobial activity of the Tanaceti flos and Tanaceti folium aqueous extracts and Ag-NPs obtained in green synthesis presented as minimal inhibitory concentration (MIC) and minimal bactericidal concentration (MBC) in mg L−1.
| Microorganism | Tanaceti flos Extract | Tanaceti folium Extract |
Tanaceti flos Ag-NPs |
Tanaceti folium Ag-NPs |
||||
|---|---|---|---|---|---|---|---|---|
| MIC | MIC | MIC | MIC | MIC | MBC | MIC | MBC | |
| Gram-positive bacteria | ||||||||
| S. aureus ATCC 25923 | 2000 | 2000 | 2000 | 2000 | 31.3 | 62.5 | 31.3 | 62.5 |
| S. aureus ATCC BAA-1707 a | 8000 | 8000 | 4000 | 4000 | 31.3 | 125 | 31.3 | 125 |
| S. epidermidis ATCC 12228 | 2000 | 4000 | 4000 | 4000 | 15.6 | 125 | 15.6 | 62.5 |
| M. luteus ATCC 10240 | 8000 | 8000 | 4000 | 8000 | 7.8 | 125 | 7.8 | 62.5 |
| B. cereus ATCC 10876 | 8000 | >8000 | 8000 | 8000 | 62.5 | 1000 | 62.5 | 250 |
| E. faecalis ATCC 29212 | >8000 | >8000 | >8000 | >8000 | 62.5 | 250 | 62.5 | 250 |
| Gram-negative bacteria | ||||||||
| S. typhimurium ATCC 14028 | >8000 | Nd | >8000 | Nd | 31.3 | 31.3 | 31.3 | 62.5 |
| E. coli ATCC 25922 | >8000 | Nd | >8000 | Nd | 31.3 | 62.5 | 31.3 | 62.5 |
| P. mirabilis ATCC 12453 | 8000 | Nd | >8000 | Nd | 62.5 | 62.5 | 62.5 | 62.5 |
| K. pneumoniae ATCC 13883 | >8000 | Nd | >8000 | Nd | 31.3 | 125 | 31.3 | 62.5 |
| P. aeruginosa ATCC 9027 | >8000 | Nd | >8000 | Nd | 15.6 | 31.3 | 15.6 | 31.3 |
| Yeasts | ||||||||
| C. glabrata ATCC 90030 | >8000 | Nd | >8000 | Nd | 15.6 | 1000 | 15.6 | 62.5 |
| C. albicans ATCC 102231 | >8000 | Nd | >8000 | Nd | 15.6 | 500 | 7.8 | 62.5 |
| C. parapsilosis ATCC 22019 | >8000 | Nd | >8000 | Nd | 15.6 | 1000 | 7.8 | 1000 |
a Methicillin-resistant Staphylococcus aureus (MRSA).