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Asian Journal of Biotechnology
Year: 2020  |  Volume: 12  |  Issue: 2  |  Page No.: 75 - 86

Identification of Bioactive Peptides in Mussel Species of Kanyakumari Coast

Immaculate Jeyasanta, Narmatha Sathish and Jamila Patterson    

Abstract: Background and Objective: Anti-bacterial activity was evaluated in the whole body crude extracts of the 3 edible marine bivalves, namely Perna perna (brown mussel), Perna viridis (green mussel) and the parrot mussel collected from the coastal villages of Kanyakumari district. Materials and Methods: Six different solvents, namely ethanol, methanol, acetone, ethyl acetate, hexane and butanol were used to prepare the extracts. The efficacies of the whole body extract of different solvents were assessed for the antimicrobial activity against 13 different pathogenic bacteria viz., Salmonella typhi, Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, Proteus vulgaris, Staphylococcus epidermis, Klebsiella pneumoniae, Bacillus subtilis, Salmonella paratyphi, Streptococcus pyogenes, Vibrio sp., Shigella sp. and Haemophilus influenza. Results: Of the 6 different solvents methanol exhibits the highest activity followed by ethanol and acetone. The methanolic extracts of P. viridis exhibit the highest activity against E. coli, S. typhi and P. aeruginosa. The ethanolic extract of P. viridis shows the highest activity against E. coli, P. aeruginosa, S. typhi, K. pneumoniae and acetone extract showed good activity against E. coli. The methanolic extracts of P. perna exhibit the highest activity against E. coli, S. aureus, S. typhi, P. vulgaris. The ethanolic extract of P. perna is active against P. vulgaris and B. subtilis and the ethanolic extract showed good activity against P. aeruginosa and Shigella species. The methanolic extracts of the parrot mussel exhibit the highest activity against E. coli and Streptococcus pyogenes, ethanol extract shows good activity against E. coli and Staphylococcus aureus and the acetone extract shows maximum antibacterial activity against P. aeruginosa. Conclusion: The findings of the present study confirm that the mussel species have antimicrobial activity and that this activity appears to be dependent on the solvent used for the extraction process. FTIR analysis reveals the presence of bioactive compounds signals at different ranges.

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