Dr Mah Siau Hui

Programme Director- Postgraduates
Senior Lecturer

Doctor of Philosophy in Natural Products Chemistry (University Putra Malaysia),
Postgraduate Certificate in Higher Education Teaching & Learning (Taylor’s University),
Bachelor of Science (Honours) in Petroleum Chemistry (University Putra Malaysia).

  • Isolation and structural elucidation of natural products
  • Biological evaluation of natural products
  • Structural modification
  • Structure-activity relationship

Research Interests
  • Isolation and structural elucidation of secondary metabolites of natural products
  • Design and synthesis of bioactive compounds
  • Biological evaluation of pure compounds: cytotoxicity, anti-inflammatory and anti-cholinesterase activities
  • Structure-activity relationship

Research Grants Awarded
  • Fundamental Research Grant Scheme (FRGS): Design, Synthesis, Biological Evaluation and Molecular Docking of Xanthone Analogues as Anti- cholinesterase and Anti-inflammatory Agents
  • Taylor’s Research Grant Scheme (TRGS) - Major Grant Scheme (MFS): Anti-inflammatory and Antioxidant Properties of Chemical Constituents of Sida rhombiflia
  • Taylor’s Research Grant Scheme (TRGS) - Emerging Research Funding Scheme (ERFS): Phytochemical Analysis and Biological Activities of Polygonum chinense and Sida rhombifolia
  • RUGS (UPM)– Search for Potential New Cytotoxic Principles from Mesua congestiflora

Peer Reviewed Papers (10 most significant)
  • Teh, S. S., Ee, G. C. L., Mah, S. H., Ahmad, Z. (2016) Structure activity relationship study of secondary metabolites from Mesua beccariana, Mesua ferrea and Mesua congestiflora for anti-cholinesterase activity. Medicinal Chemistry Research. DOI: 10.1007/s00044-016-1531-0
  • See, I., Ee, G. C. L., Teh, S. S., Mah, S. H., Karjiban, R. A., Daud, S., & Jong, V. Y. M. (2016) A New Benzophenone from Garcinia benthamiana. Records of Natural Products. 10(3): 355-361
  • Mah, S. H., Ee, G. C. L., Teh, S. S. & Sukari, M. A. (2015) Antiproliferative Xanthone Derivatives from Calophyllum inophyllum and Calophyllum soulattri. Pakistan Journal of Pharmaceutical Sciences. 28: 425-429
  • Ee, G. C. L., Teh, S. S., Mah, S. H., Jamaluddin, N. A., Sahimi, M. S. b. M., & Ahmad, Z. (2015) Acetyl-cholinesterase Enzyme Inhibitory Effect of Calophyllum species. Tropical Journal of Pharmaceutical Research. 14(11): 2005-2008
  • Chidan Kumar, C. S., Kwong, H. C., Mah, S. H., Chia, T. S., Loh, W.-S., Quah, C. K. , Lim, G. K, Chandraju, S. & Fun, H.-K. (2015) Synthesis and Crystallographic Insight into the Structural Aspects of Some Novel Adamantane-Based Ester Derivatives. Molecules. 20(10), 18827-18846
  • Karunakaran, T., Ee, G. C. L., Teh, S. S., Daud, S., Mah, S. H., Lim, C. K., Jong, V. Y. M., & Awang, K. (2015) A new coumarin from stem bark of Mesua hexapetala. Natural Product Research. DOI: 10.1080/14786419.2015.1120727
  • Mah, S. H., Ee, G. C. L., Teh, S. S. & Sukari, M. A. (2014) Calophyllum inophyllum and Calophyllum soulattri Source of Anti-Proliferative Xanthones and Their Structure–Activity Relationships. Natural Product Research. 29(1): 98-101
  • Mah, S. H., Ee G. C. L. & Teh S. S. (2013) Chemistry and Cytotoxic Activity of Essential Oil from the Stem Bark of Calophyllum soulattri. Asian Journal of Chemistry. 25(15): 8831-8832
  • Yong, Y. K., Tan, J. J., Teh, S. S., Mah, S. H., Ee, G. C. L., Chiong, H. S. & Ahmad, Z. (2013) Clinacanthus nutans Extracts are Antioxidant with Anti-proliferative Effect on Cultured Human Cancer Cell Lines. Evidence-Based Complementary and Alternative Medicine. 2013: 462751
  • Teh, S. S., Ee, G. C. L., Mah, S. H., Yong, Y. K., Lim, Y. M., Rahmani, M. & Ahmad, Z. (2013) In Vitro Cytotoxic, Antioxidant, and Antimicrobial Activities of Mesua beccariana (Baill.) Kosterm., Mesua ferrea Linn., and Mesua congestiflora Extracts. BioMed Research International. 2013: 517072

Scholarly Activities/ Industry Experience (10 most significant):
  • Scientific Manuscript Reviewer, ISI-refereed international peer reviewed and citation indexed journals
  • Judge, Scientific oral and poster presentation
  • Organizing committee for conferences and seminars

Awards & Honours
  • Silver Medal for National University Carnival on e-Learning 2015 (NUCEL 2015), Ministry of Higher Education.
  • Exemplary Meritorious Academic Staff Award for Innovative in Teaching and Leaning (EMAS 2015), Taylor’s University.
  • Early Career Chemist Travel Grant Award for International Congress of Pacific Basin Societies (Pacifichem 2015), Honolulu, Hawaii, USA.
  • Travel Grant Award 2012 for International Congress on Natural products Research (ICNPR 2012), New York City, USA. Society for Medicinal Plant and Natural Product Research (GA).
  • Silver Medals for Pameran Reka Cipta, Penyelidikan dan Inovasi UPM 2012 (PRPI 2012). Universiti Putra Malaysia.
  • Bronze Medal for Pameran Reka Cipta, Penyelidikan dan Inovasi UPM 2011 (PRPI 2011). Universiti Putra Malaysia.

Professional Affiliations
  • Malaysian Institute of Chemistry (IKM), Member (MMIC)
  • American Chemical Society (ACS), ACS Malaysia Committee Member (Central Branch)
  • Royal Society of Chemistry (RSC), Member (MRSC)
  • Society for Medicinal Plant and Natural Product Research (GA), Regular Member
  • Phytochemical Society of Asia (PSA), Regular Member
  • Malaysian Natural Products Society (MNPS), Regular Member