Abstract published
National Seminar on “Innovations in Science &
Technology for inclusive development” organised by Indian Science Congress
Association on the occasion of the 16th Odisha Bigyan Congress,
November 23-24, 2013 at Institute of Physics, Bhubaneshwar, pp-143.
Antibacterial and Phytochemical Evaluation of Dioscorea alata L.: a medicinal food
crop of rural Odisha
Sanjeet Kumar
A. Singh, S. P. Behera, S.K.Rath,
N.R.Singh and P.K.Jena
Department of Botany, Ravenshaw
University, Cuttack-753003
Email-Id: sanjeet.biotech@gmail.com
Abstract
Dioscorea alata L., commonly known as Mati aalu, is a monocot vine
having tuberous root along with aerial edible bulbils. It belongs to family Dioscoreaceae
and is very popular food supplement among the tribal and rural communities of
the state of Odisha. The tuber juice is used as cooling agents during summer in
southern part of Odisha. Its parts are used as food and medicine among rural
and tribal communities of the state. Keeping this in view, an attempt has been
made to evaluate the antibacterial activity of Dioscorea alata L. Tuber extracts. Phytochemical evaluation was
carried out. Phytochemical screening showed wide pharmacological values of this
plant. Presence of tannin, flavonoids and phenolic compounds in all tuber
extracts may be responsible for antibacterial and other bioactivities. Antimicrobial
activity and MIC activity using Disc Diffusion assay of methanol and acetone
extracts was carried out. Both extracts showed prominent activity against Vibrio cholera, Shigella flexnerii, Salomnella typhi, Streptococcus pyogenes and Streptococcus mutans. Results validate Dioscorea alata L. is not only a food
plant, but also a good source for formulation of new antimicrobial agents. Further
works need to be carried out for pharmacological evaluation of Dioscorea alata L. plant parts.
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