Joash Tan Ban Lee

Senior Lecturer
School of Science
+603 5514 6107
Room 4-8-22

Dr Tan graduated with a BSc (Biotechnology) with Honours in 2008, and joined Monash as a lecturer in 2013 following completion of his PhD in phytochemistry. His research interests are in the area of biologically-active natural product discovery, particularly phenolic compounds. This includes identifying extracts and compounds that exhibit desirable properties such as antimicrobial, antidiabetic, anticancer, and antioxidant activity; as well as practical applications for natural products, such as anthocyanin-based food colorants and organic corrosion inhibitors.


  • Doctor of Philosophy, Monash University, 2013
  • Honours degree of Bachelor of Science (Biotechnology), Monash University, 2008
  • Bachelor of Science (Biotechnology), Monash University, 2007


Phytochemistry, biological activity of naturally-occurring compounds, anthocyanin-based food colorants, and synergism between polyphenols and antibiotics.

Research Interests

  • Bioactivity (antioxidant/antibacterial/anticancer) of plant/algae/fungi extracts, and isolation of bioactive compounds.
  • Potentiation of antibiotic activity via synergism with natural products.


  • CHM1051 (Chemistry I advanced)
  • SCI2010 (Scientific practice and communication)
  • CHM2962 (Food chemistry)

Scholarly Journals

Cheng, H.S., Phang, S.C.W., Ton, S.H., Abdul Kadir, K., & Tan, J.B.L. (2018) Purified ingredient‐based high‐fat diet is superior to chow‐based equivalent in the induction of metabolic syndrome. Journal of Food Biochemistry

Daniel-Jambun, D., Ong, K.S., Lim, Y.Y., Tan, J.B.L., Lee, W.L., Muhamad, A., Yap, S.W., & Lee, S.M. (2018). Antioxidant properties of Etlingera pubescens, an edible ginger plant endemic to Borneo. Food Bioscience, 25, 44-51.

Pradipta, I., Kong, D., & Tan, J.B.L. (2018) Corrosion inhibition of green tea extract on steel reinforcing bar embedded in mortar.  IOP Conf. Series: Materials Science and Engineering , 431,  042013.

Cheng, H., Ton, S., Tan, J. B. L., & Abdul Kadir, K. (2017). The Ameliorative Effects of a Tocotrienol-Rich Fraction on the AGE-RAGE Axis and Hypertension in High-Fat-Diet-Fed Rats with Metabolic Syndrome. Nutrients9(9), 984.

Daniel-Jambun, D., Dwiyanto, J., Lim, Y. Y., Tan, J. B. L., Muhamad, A., Yap, S. W., & Lee, S. M. (2017). Investigation on the antimicrobial activities of gingers (Etlingera coccinea (Blume) S.Sakai & Nagam and Etlingera sessilanthera R.M.Sm.) endemic to Borneo. Journal of Applied Microbiology123(4), 810–818.

Cheng, H. S., Ton, S. H., Phang, S. C. W., Tan, J. B. L., & Abdul Kadir, K. (2017). Increased susceptibility of post-weaning rats on high-fat diet to metabolic syndrome. Journal of Advanced Research, (6), 743–752.

Tan, J.B.L. and Lim, Y.Y. (2015) Critical analysis of current methods for assessing in vitro antioxidant and antibacterial activity of plant extracts. Food Chemistry172, 814-822.

Tan, J. J. Y., Lim, Y. Y., Siow, L. F., & Tan, J. B. L. (2015). Effects of drying on polyphenol oxidase and antioxidant activity of Morus alba leaves. Journal of Food Processing and Preservation39 (6), 2811-2819.

Tan, J.B.L. & Lim, Y.Y. (2015) Antioxidant and tyrosinase inhibition activity of the fertile fronds and rhizomes of three different Drynaria species. BMC Research Notes, 8, 468-473.

Tan, J.B.L., Lim Y.Y. & Lee, S.M. (2014). Rhoeo spathacea (Swartz) Stearn leaves, a potential natural food colorant. Journal of Functional Foods7, 443-451.

Tan, J.B.L., Yap, W.J., Tan, S.Y., Lim, Y.Y., & Lee, S.M. (2014). Antioxidant Content, antioxidant activity, and antibacterial activity of five plants from the Commelinaceae family. Antioxidants, 3(4), 758–769.

Tan, J. B. L., Lim, Y. Y., & Lee, S. M. (2013). Antioxidant and antibacterial activity of Rhoeo spathacea (Swartz) Stearn leaves. Journal of Food Science and Technology, 52 (4), 2394-2400. doi:10.1007/s13197-013-1236-z

Chan, E. W. C., Lim, Y. Y., Chong, K. L., Tan, J. B. L., & Wong, S. K. (2010). Antioxidant properties of tropical and temperate herbal teas. Journal of Food Composition and Analysis, 23(2), 185–189. doi:10.1016/j.jfca.2009.10.002

Research Grants

  • Joash Tan Ban Lee, 2015, Nutrient content and bioactivity of wastewater from fermented molasses, Public-Private Research Network (PPRN), MOE, RM30k

PhD Students (Present, Principal Investigator)

  1. Nooryasmin binti Anwar
  2. Teo Yong Kiat, Chris
  3. Chai Jun Ching
  4. Goh Boon Hee
  5. Aurelie Sarah Mok Tsze Chung

PhD Students (Completed)

  1. Cheng Hong Sheng

PhD/Masters Students (Present, Co-supervisor)

  1. Ivan Pradipta
  2. Janet Tan Jia Yin
  3. Ooi Luyi
  4. Shaheena Shehnaz Ahmed Rifaaie  Thowfeek
  5. Marie Andrea Laetitia Huet
  6. Tze Jhin Tsen
  7. Carine Lim (external)
  8. Loong Zhi Juin (external)

PhD/Masters Students (Present, Co-supervisor)

  1. Delhousie Daniel Jambun
  2. Yeo Yin (external)

Honours Students (Completed)

  1. Theresia Abigail Junita
  2. Alan Yaw Cheuk Keong
  3. Wong Michelle Mei
  4. Chai Jun Ching
  5. Anwar Nooryasmin
  6. Kandasamy Shalini
  7. Rowena Chin Ying
  8. Woo Kae Sheng
  9. Yap Wei Jin
  10. Chris Teo Yong Kiat
  11. Brandon Yeoh Khai Siang
  12. Aurelie Sarah Mok Tsze Chung
  13. Sam Jia Pe

3rd Year Project (Completed, Principal Investigator)

  1. Alvin Yee Weng Whye
  2. Aaron Lim Li Ren
  3. Amara Khan
  4. Kho Zhi Ying
  5. Woo Kae Sheng
  6. Ramtohul Ashvin
  7. Goh Kai Ling
  8. Koh Hei Sim
  9. Hafsa Hanif
  10. Nahal Ataei



  • PVC Awards for Excellence in Research, Monash University Malaysia


  • ITEX '17 (Gold), ITEX
  • Pecipta 2017 (Bronze), Ministry of Higher Education (Malaysia)