PMID:
Antibiotics (Basel). 2020 Apr 20 ;9(4). Epub 2020 Apr 20. PMID: 32325952
Abstract Title:
In Vitro Antimicrobial Activity of Frankincense Oils fromGrown in Different Locations of the Dhofar Region (Oman).
Abstract:
Frankincense essential oils fromhave been commonly used to treat microbial infections from as early as the 11th century. The main feature of the plant is its gum resin, from which it is possible to obtain essential oils. In the present study, we focused on the comparative study of the oils extracted from the resins of three differentcultivars (Najdi, Sahli and Houjri). From each of frankincense resin three successive essential oil samples (Grade 1, Grade 2, Grade 3) were obtained. Houjri gum resin gave the lowest percentage (5%) of total essential oil content but showed the maximum number of volatile components in all three grades. Najdi Grade 2 essential oil showed a minimum inhibitory concentration (MIC) of 52 mg/mL toward relevant pathogensand, and samples from Grade 2 of Sahily and Houjiri were particularly active against a dermatological strain, displaying MIC values of 0.264 and 0.66 mg/mL, respectively. Data obtained from in vitro studies showed that all essential oils had a significant antifungal effect againstand, showing MIC values ranging from 54.56 to 0.246 mg/mL. This work aims to increase the number of substances available in the fight against pathogens and to combat the phenomenon of antibiotic resistance, encouraging the use of alternative resources, especially in non-clinical settings (farms, food processing, etc.).
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