Antibacterial and Radical Scavenging Activity of Selected Orchids of Karnataka, India

Authors

  • Rashmi K SRNMN College of Applied Sciences
  • Shweta S.D SRNMN College of Applied Sciences
  • Sudeshna C.S SRNMN College of Applied Sciences
  • Vrushala P.S SRNMN College of Applied Sciences
  • Prashith Kekuda T.R SRNMN College of Applied Sciences
  • Raghavendra H.L Wallaga University

Keywords:

Orchids, Agar well diffusion, DPPH, Total phenolic

Abstract

The present study was carried out to determine antibacterial and radical scavenging activity of extract of four epiphytic orchids (Orchidaceae family) namely Luisia zeylanica Lindl., Pholidota pallida Lindl., Dendrobium nutantiflorum A. D. Hawkes and A. H. Heller and Coelogyne breviscapa Lindl collected at different places of Western Ghats of Karnataka, India. Antibacterial and radical scavenging activity of orchid extracts was determined by Agar well diffusion and DPPH free radical scavenging activity respectively. The total phenolic content was estimated by Folin-Ciocalteau reagent method. All orchid extracts inhibited test bacteria. Marked antibacterial activity was observed in case of C. breviscapa. Extract of L. zeylanica exhibited stronger radical scavenging activity when compared to other orchid extracts. The phenolic content was highest in L. zeylanica. A direct correlation was observed between phenolic content and radical scavenging effect of orchid extracts. These orchids appear to be promising sources of bioactive agents which can be exploited for treatment of several kinds of ailments.

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Author Biographies

Rashmi K, SRNMN College of Applied Sciences

Department of Microbiology, S.R.N.M.N College of Applied Sciences, N.E.S Campus, Balraj Urs Road,
Shivamogga-01, Karnataka, India

Shweta S.D, SRNMN College of Applied Sciences

Department of Microbiology, S.R.N.M.N College of Applied Sciences, N.E.S Campus, Balraj Urs Road,
Shivamogga-01, Karnataka, India

Sudeshna C.S, SRNMN College of Applied Sciences

Department of Microbiology, S.R.N.M.N College of Applied Sciences, N.E.S Campus, Balraj Urs Road,
Shivamogga-01, Karnataka, India

Vrushala P.S, SRNMN College of Applied Sciences

Department of Microbiology, S.R.N.M.N College of Applied Sciences, N.E.S Campus, Balraj Urs Road,
Shivamogga-01, Karnataka, India

Prashith Kekuda T.R, SRNMN College of Applied Sciences

Department of Microbiology, S.R.N.M.N College of Applied Sciences, N.E.S Campus, Balraj Urs Road,
Shivamogga-01, Karnataka, India

Raghavendra H.L, Wallaga University

College of Medical and Health Sciences, Wollega University, Post Box No: 395, Nekemte, Ethiopia

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Published

30.03.2015

How to Cite

K, R., S.D, S., C.S, S., P.S, V., Kekuda T.R, P., & H.L, R. (2015). Antibacterial and Radical Scavenging Activity of Selected Orchids of Karnataka, India. Journal of Science, Technology and Arts Research, 4(1), 160–164. Retrieved from https://journals.wgu.edu.et/index.php/star/article/view/176

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Short Communication

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