Działanie oleju z Tamanu (Calophyllum inophyllum) na bakterie beztlenowe wyodrębnione z dróg oddechowych

*Anna Kędzia¹, Alina Mścisz², Henry O. Meissner³

Summary
The effect of cold-pressed oil from Tamanu (Calophyllum inophyllum) on total 30 strains (18 strains Gram-negative and 12 Gram-positive) of anaerobic bacteria isolated from respiratory tract of 12 patients. The degree of bacteriostatic property of tested Tamanu oil obtained from Vanuatu (Oceania) on bacteria was determined by means of plate dilution technique in Brucella agar with 5% sheep blood. Incubation was performed during 48 hours in anaerostats at temperature of 37°C in the presence of 10% CO₂, 10% N₂ and 80% N₂, palladic catalyst and anaerobic indicator. The MIC was interpreted as the lowest concentrations of the essential oil inhibiting the growth of bacteria. The highest sensitivity to oil showed Gram-positive anaerobic bacteria, strains Propionibacterium and Actinomyces (MIC between 0.6 and 5 mg/ml) micromonas and Peptostreptococcus (MIC 1.2-5 mg/ml). The lowest sensitivity to Tamanu oil showed Gram-negative strains of anaerobic bacteria: Dialister pneumosintes (MIC 2.5 mg/ml). The remaining strains: Bacteroides, Prevotella, Porphyromonas, Fusobacterium and Veilonella required Tamanu oil concentrations between 5->20 mg/ml to inhibit growth of these bacteria. It appears that Gram-positive anaerobic bacteria are generally more susceptible to Tamanu oil than Gram-negative anaerobic strains. Observed susceptibility of Gram-positive anaerobic bacteria to Tamanu oil may extend its current topical use to application in antimicrobial preparations for oral hygiene such as toothpastes, gargles, mouthwash etc.

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