期刊
ANTIBIOTICS-BASEL
卷 9, 期 9, 页码 -出版社
MDPI
DOI: 10.3390/antibiotics9090592
关键词
essential oil; Lamiaceae; Lavandula x intermedia; Mentha arvensis; Streptococcus agalactiae; Candida albicans; antibiotics; synergic associations; anti-biofilm activity
The antimicrobial activity of different essential oils (EOs) from theLamiaceaefamily was evaluated onStreptococcus agalactiae,Candida albicans, and lactobacilli.S. agalactiaeis the main cause of severe neonatal infections, such as sepsis, meningitis, and pneumonia.C. albicansis a primary causative agent of vulvovaginal candidiasis, a multifactorial infectious disease of the lower female reproductive tract. Lactobacilli represent the dominant bacterial species of the vaginal flora and constitute the natural defense against pathogens. On the basis of the preliminary results, the attention was focused on the EOs fromLavandula x intermediaEmeric ex Loisel. andMentha arvensisL. By using gas ghromatography (GS) retention data and mass spectra, it was possible to identify more than 90% of the total composition of the EO samples. The minimal inhibitory concentration (MIC) and anti-biofilm activity of the two EOs were determined against all isolated strains, using the EOs by themselves or in combination with each other and with drugs (erythromycin and fluconazole). The results showed a good antimicrobial and anti-biofilm activity of both EOs and a synergistic effect, leading to the best results against all the strains, resulted using the combinations EOs/EOs and antimicrobials/EOs.
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