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Title : FTIR spectroscopic studies and antimicrobial activity in populations of Eryngium foetidum L.
Authors : *Chandrika R, Komal Kumar J, Thara Saraswathi K. J, Deviprasad A. G
Abstract : The Fourier Transform Infra Red spectroscopic studies have been used to investigate the variations in the phytochemical constituents of two diverse populations of Eryngium foetidum L. from India. Based on the FTIR analysis and preliminary phytochemical investigations it was possible to understand the various functional groups and bioactive components present in the methanolic extracts of both populations. The FTIR pattern highlighted sharp peaks for OH, aldehydes and aminoacids in the extracts. Characteristic strong peaks were observed in the fingerprint region confirming the presence of aromatic compounds, alkanes, alkenes, alkynes, aliphatic primary amines, phenols, carbohydrates and halogenated compounds. The extracts were also tested for their antimicrobial efficacy against E. coli, S. aureus, K. pneumoniae, P. aeruginosa and A. faecalis using Disc diffusion assay at various concentrations .It was observed that the extracts showed significant activity against S. aureus and moderate activity for E. coli and P. aeruginosa. <br />