Food Science and Biotechnology

, Volume 27, Issue 2, pp 591–598 | Cite as

Separation and identification of bromelain-generated antibacterial peptides from Actinopyga lecanora

  • Raheleh Ghanbari
  • Afshin Ebrahimpour


Actinopyga lecanora, as a rich protein source was hydrolysed to generate antibacterial bioactive peptides using different proteolytic enzymes. Bromelain hydrolysate, after 1 h hydrolysis, exhibited the highestantibacterial activities against Pseudomonas aeruginosa, Pseudomonas sp., Escherichia coli and Staphylococcus aureus. Two dimensional fractionation strategies, using a semi-preparative RP-HPLC and an isoelectric-focusing electrophoresis, were applied for peptide profiling. Furthermore, UPLC-QTOF-MS was used for peptides identification; 12 peptide sequences were successfully identified. The antibacterial activity of purified peptides from A. lecanora on P. aeruginosa, Pseudomonas sp., E. coli and S. aureus was investigated. These identified peptides exhibited growth inhibition against P. aeruginosa, Pseudomonas sp., E. coli and S. aureus with values ranging from 18.80 to 75.30%. These results revealed that the A. lecanora would be used as an economical protein source for the production of high value antibacterial bioactive peptides.


Actinopyga lecanora Bioactive peptides Antibacterial activity Hydrolysate Proteolytic enzyme 



This work was funded by the Malaysia Ministry of Science, Technology and Innovation (MOSTI) under Project No. 10-05ABI-FB 037.


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Copyright information

© The Korean Society of Food Science and Technology and Springer Science+Business Media B.V., part of Springer Nature 2017

Authors and Affiliations

  1. 1.Acurate Food LabratoryTajzieh Kimia Novin AzmaTehranIran
  2. 2.Faculty of Food Science and TechnologyUniversiti Putra MalaysiaSerdangMalaysia

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