FLORA AND FAUNA ISSN 2456-9364(Online) 0971-6920(Print)
2021 Vol.27 No.2 PP 177­-184
Phytochemical screening and antibacterial activity of essential oils of Cymbopogon citratus and Ocimum americanum : a comparative account
R. Mehta, Nishtha Yadaw, Naureen S. Khan1, K. K. Sen2 and *B. Chaurasia
Department of Rural Technology and Social Development,
Guru Ghasidas University,
1Department of Botany,
2Department of Rural Technology,
Dr. C.V. Raman University,
KOTA- BILASPUR (C.G.) -495113 INDIA *Corresponding Author : Email : b.ch.myco@gmail.com
The present study highlights the extraction of essential oils from C. citratus and O. americanum using Microwave Hydrodiffusion and Gravity method (MHG) and Hydrodistillation Method (HD), the qualitative and quantitative screening along with determination of antibacterial potential. For the study, extraction of essential oils was performed using Microwave Hydrodiffusion and Gravity method and Hydrodistillation Method. Comparative study was performed to check the total flavonoid content (TFC), total phenolic content (TPC), biochemical test, thin layer chromatography (TLC) and determination of antibacterial activity of the essential oils. The results of the study depicted that the MHG method for extraction of essential oils was much better compared to extraction by HD method as supported by the biochemical tests, TFC, TPC and TLC results. However, the essential oils did not show antibacterial activity. More study related to the antimicrobial activity needs to be performed. Essential oils form an integral part of the pharmaceutical and healthcare industry hence, detailed study regarding the isolation and application of essential oils is required. The present study suggests the use of MHG method for extraction of essential oils.

Key words : Antibacterial activity, Cymbopogon citratus, Essential oils, Ocimum americanum, Phytochemicals.
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