## 3 Results and Discussion
### Antimicrobial Activity
L. & 9.00 \(\pm\) 1.73 \({}^{\rm h}\) & 1.50 \(\pm\) 0.50 \({}^{\rm thj}\) & 1.33 \(\pm\) 0.58 \({}^{\rm thj}\) & 1.50 \(\pm\) 0.50 \({}^{\rm thj}\) & 2.33 \(\pm\) 0.29 \({}^{\rm thj}\) & 1.00 \(\pm\) 0.00 \({}^{\rm thj}\) & 3.17 \(\pm\) 0.76 \({}^{\rm thj}\) \\ _Ribes nigerum_ L. & 4.17 \(\pm\) 0.77 \({}^{\rm o}\) & 2.17 \(\pm\) 0.29 \({}^{\rm h}\) & 1.67 \(\pm\) 0.58 \({}^{\rm h}\) & 1.50 \(\pm\) 0.50 \({}^{\rm o}\) & 1.67 \(\pm\) 0.96 \({}^{\rm o}\) & 1.83 \(\pm\) 0.29 \({}^{\rm h}\) & 3.17 \(\pm\) 0.29 \({}^{\rm o}\) \\ _Fragaria vesca_ L. & 3.17 \(\pm\) 0.29 \({}^{\rm o}\) & 6.00 \(\pm\) 1.00 \({}^{\rm o}\) & 1.00 \(\pm\) 0.00 \({}^{\rm o}\) & 5.83 \(\pm\) 0.76 \({}^{\rm o}\) & 1.67 \(\pm\) 0.58 \({}^{\rm o}\) & 2.67 \(\pm\) 0.58 \({}^{\rm o}\) & 3.50 \(\pm\) 0.50 \({}^{\rm o}\) \\ _Menth pipelite_ L. & 5.67 \(\pm\) 0.58 \({}^{\rm o}\) & 2.67 \(\pm\) 0.58 \({}^{\rm h}\) & 1.33 \(\pm\) 0.29 \({}^{\rm h}\) & 2.67 \(\pm\) 0.58 \({}^{\rm o}\) & 4.83 \(\pm\) 0.76 \({}^{\rm o}\) & 3.17 \(\pm\) 0.29 \({}^{\rm o}\) & 4.33 \(\pm\) 0.58 \({}^{\rm o}\) \\ _Tymus serpyellum_ L. & 1.00 \(\pm\) 0.00 \({}^{\rm thj}\) & 1.17 \(\pm\) 0.29 \({}^{\rm o}\) & 1.47 \(\pm\) 0.29 \({}^{\rm o}\) & 1.67 \(\pm\) 0.29 \({}^{\rm o}\) & 0.67 \(\pm\) 0.29 \({}^{\rm h}\) & 1.00 \(\pm\) 0.00 \({}^{\rm o}\) & 0.00 \(\pm\) 0.00 \({}^{\rm o}\) \\ _Stiglia officinalis_ L. & 2.83 \(\pm\) 0.29 \({}^{\rm o}\) & 0.90 \(\pm\) 0.11 \({}^{\rm o}\) & 0.50 \(\pm\) 0.00 \({}^{\rm o}\) & 5.33 \(\pm\) 0.58 \({}^{\rm o}\) & 2.67 \(\pm\) 0.29 \({}^{\rm h}\) & 2.67 \(\pm\) 0.58 \({}^{\rm o}\) & 2.00 \(\pm\) 0.00 \({}^{\rm o}\) \\ _Potential assernie_ L. & 1.67 \(\pm\) 3.01 \({}^{\rm thj}\) & 1.00 \(\pm\) 0.00 \({}^{\rm o}\) & 1.00 \(\pm\) 0.05 \({}^{\rm o}\) & 1.33 \(\pm\) 0.29 \({}^{\rm o}\) & 1.17 \(\pm\) 0.29 \({}^{\rm o}\) & 1.50 \(\pm\) 0.00 \({}^{\rm o}\) & 0.00 \(\pm\) 0 The first tested yeast strain was _Candida glabrata_ CCM 8270 (Table 4). The size of the inhibition zones ranged from 0 (_Primula veris_ L.) to 4.83 mm (_Mentha piperita_ L.). The second tested species was _Candida albicans_ CCM 8186. The size of the inhibition zones ranged from 0.83 (_Plantago lanceolata_ L.) to 3.17 mm (_Mentha piperita_ L.) The third tested yeast strain was _Candida tropicalis_ CCM 8223. The size of the inhibition zones ranged from 0 (_Potentilla anserina_ L.) to 4.33 mm (_Mentha piperita_ L.). [PERSON] et al. [54] detected antimicrobial activity of _Mentha piperita_ L. ethanolic extract against _Candida albicans_ by the disk diffusion method. The reported diameter of the inhibition zone was 12.95 \(\pm\) 0.07 mm after 24 h, and 13 \(\pm\) 0.0 mm after 48 h. _Mentha piperita_ L. leaves contain menthol, menthoe, methyl esters, and monoterenes derivatives. The antimicrobial activity of terpenoids consists mainly of the disruption of microbial membranes. _Candida albicans_ is the most common species of the genus _Candida_. Found in the oral cavity, it is responsible for most oral diseases. The use of natural products as alternative agents against fungal diseases is considered an interesting alternative to synthetic fungicides. Plant extracts and phytochemicals with known antibacterial effects can be of great importance in the treatment of various diseases. The synergistic effect of antibiotics and plant extracts against resistant bacteria may lead to new treatment options for infectious diseases [55].