摘要：Melaleuca citrina (Curtis) Dum. Cours. commonly known as ‘red bottle brush', is one of those medicinal plants with great medicinal importance. It is a beautiful evergreen tree belonging to the family Myrtaceae. It is indigenous to Queensland and New South Wales and cultivated throughout India in gardens. The plant is known in folk medicine for its anticough, antibronchitis, insecticidal effects and its volatile oil has been used as antimicrobial and antifungal agents. Moreover, aerial parts of Melaleuca citrina are practiced traditionally in ethnic tribal communities and very little are known about its importance on scientific grounds. The present study conducted to explore the Phyto-Constituents of the essential oil from the leaves of Melaleuca citrina. In the present analysis, the phyto-constituents of the leaves of essential oil of Melaleuca citrina by GC-MS analysis clearly showed the presence of 19 compounds. The results revealed that Eucalyptol (55.14%), Octadien-3-ol, 3,7-dimethyl- (11.48%), 1,5-Dimethyl-1-vinyl-4-hexenyl butyrate (11.48%), L-.alpha.-Terpineol (16.25%) and .alpha.-Terpineol (16.25%) were reported as 5 major components in the essential oil leaves of the Melaleuca citrina. Eucalyptol is an ingredient in many brands of mouthwash and cough suppressant. Eucalyptol is an effective treatment for nonpurulent rhinosinusitis. Eucalyptol reduces inflammation and pain when applied topically. It kills leukaemia cells. The essential oils from leaves of Melaleuca citrina may serve as potent natural anti-cancer compounds with important roles in human health.
