Antilipase and antioxidant activity of Orthosiphon stamineus methanolic extract

Authors

  • Norsyuhada Alias
  • Adam Leow Thean Chor
  • Mohd. Shukuri Mohamad Ali
  • Abu Bakar Salleh
  • Asilah Ahmad Tajudin
  • Raja Noor Zaliha Raja Abd. Rahman

DOI:

https://doi.org/10.31436/imjm.v15i1.1245

Abstract

Introduction: Antilipase from natural resources are a potential tool for the treatment of obesity while antioxidant-rich plants are essential in combating degenerative diseases. The aim of this study is to determine the antilipase and antioxidant activity of Orthosiphon stamineus methanolic extract. Methods: The inhibitory activity against pancreatic lipase was determined by measuring the hydrolysis of p-nitrophenyl butyrate to p-nitrophenol at 405 nm. Antioxidant activity of O. stamineus extract was measured by 2, 2, diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging activity assay. Results: The O. stamineus crude extract exhibited strong lipase inhibitory activity with an IC50 value of 34.7 µg/ml. The inhibition mode study disclosed that O. stamineus could act as uncompetitive inhibitor. O. stamineus showed high antioxidant activity with an EC50 value of 26.3 µg/ml. Conclusions: The results suggest that O. stamineus has shown potential as a source of natural antilipase and antioxidant.

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Published

01.06.2016

How to Cite

Alias, N., Thean Chor, A. L. ., Mohamad Ali, M. S. ., Salleh, A. B. ., Tajudin, A. A. ., & Raja Abd. Rahman, R. N. Z. . (2016). Antilipase and antioxidant activity of Orthosiphon stamineus methanolic extract . IIUM Medical Journal Malaysia, 15(1). https://doi.org/10.31436/imjm.v15i1.1245

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Supplementary Abstract