Tea tree essential oil - pure concentrate made by steam distillation

Tea tree essential oil is extracted from the leaves and branchlets of Melaleuca species, through the process of steam distillation. Tea tree oil is a generic name, and is variously used for the essential oil derived from the several melaleuca species.

The oil is a colourless to pale yellow, clear mobile liquid which has a sharp camphoraceous odour followed by a menthol-like cooling sensation. The active component(s) in a typical oil sample are Methyl eugenol (up to 96%), p-Mentha-2,8-diene-1-ol (0.9%), Methyl cinnamate (0.7%), Germacrene D (0.7%), and Terpinolene, Linalool, α-phellendrene and others.

Tea tree essential oil has good antimicrobial, anti-inflammatory, antioxidant, antiviral and anti-candida traits. At a 5% concentration the oils were found viable for use in antiseptics and disinfectants.

Tea tree essential oil has immense biological activities; it modifies the membrane of fungi, which shows its antifungal ability (indicated for Candida spp). When used against invasive fungal wound infections (IFIs) the oil is very effective as it inhibits growth of filamentous fungi, with very high efficacy rates when 100% concentrate is used within 15 minutes of exposure.

Tea tree oil and its components have been applied in the field of agriculture to prevent food spoilage or in the form of pesticides. The oil was applied directly as well as in vapor phase, revealing in both instances that the oil blocked the mycelial growth of 15 post-harvest fungi.

A 1% solution of tea tree oil was found effective against powdery mildew in greenhouse cucurbits. Further, M. bracteata oil used as an effective herbicide at concentrations of 10ml/litre, the oil fully controlled seed germination of certain weed species (). The oil has also been found to lengthen the shelf life and storage quality of citrus, sweet basil leaves and strawberry when applied in vapor phase (concentration of 1ml/L)

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