Comparative study of essential oil composition of Buddleja asiatica and Buddleja davidii aerial parts

Shivani Joshi, Devendra Mishra, Ganga Bisht, K. S. Khetwal


Aerial parts of the plants, Buddleja asiatica Lour. and Buddleja davidii Franchet. were studied with a focus on essential oil composition by using gas chromatography and gas chromatography-mass spectrometry techniques. A total of 15 and 17 components were identified representing 83.46% and 86.83% of the total oil of B. asiatica and B. davidii respectively. The major constituents in B. asiatica oil were n-tridecane (55.87%), 5-methylundecane (10.62%), n-dodecane (2.84%) and n-hexadecanol (2.76%), while B. davidii essential
oil was found to contain n-dodecane (55.15%), 5-methylundecane (13.67%), iso-acorone (4.32%) and n-undecane (2.64%) as major components. Both the essential oils were found to contain hydrocarbons as major compounds. The major component detected in B. asiatica essential oil was found as minor component in B. davidii essential oil and vice versa. The plants can be further studied for
their biological activities and to identify various chemotypes.
Key words: Buddleja asiatica, Buddleja davidii, essential oil, gas chromatography-mass spectrometry

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