Selected publications
  • Neo SY, Siew YY, Yew HC, He YQ, Poh KL, Tsai YC, Ng SL, Tan WX, Chong TI, Lim CSES, Samuel Ho SW, Singh D, Ali A, Linn YC, Tan CH, Seow SV, Koh HL (2023).  Effects of Leea indica leaf extracts and its phytoconstituents on natural killer cell-mediated cytotoxicity in human ovarian cancer. BMC Complement Med Ther. 23(1):79. doi: 10.1186/s12906-023-03904-1. Effects of Leea indica leaf extracts and its phytoconstituents on natural killer cell-mediated cytotoxicity in human ovarian cancer | BMC Complementary Medicine and Therapies | Full Text (biomedcentral.com)
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    Wee HN, Neo SY, Singh D, Yew HC, Qiu ZY, Tsai XC, How SY, Yip KC, Tan CH, Koh HL (2020). Effects of Vitex trifolia L. leaf extracts and phytoconstituents on cytokine production in human U937 macrophages. BMC complementary medicine and therapies, 20(1), 91. https://doi.org/10.1186/s12906-020-02884-w

  • Sin JEV, Anand GS, Koh HL (2021). Botanical Medicine and Natural Products Used for Erectile Dysfunction. Sex Med Rev. 9(4):568-592. doi: 10.1016/j.sxmr.2020.10.005
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    Tulsian NK, Sin JEV, Koh HL, Anand GS (2021). Development of Phosphodiesterase-Protein-Kinase Complexes as Novel Targets for Discovery of Inhibitors with Enhanced Specificity. Int J Mol Sci. 22(10):5242. doi: 10.3390/ijms22105242.

  • Teng WC, Chan W, Suwanarusk R, Ong A, Ho HK, Russell B, Rénia L, Koh HL (2019). In vitro Antimalarial Evaluations and Cytotoxicity Investigations of Carica papaya Leaves and Carpaine. Natural Product Communications, 14(1):33-36. https://doi.org/10.1177/1934578X1901400110
  • Siew YY, Yew HC, Neo SY, Seow SV, Lew SM, Lim SW, Lim ES, Ng YC, Seetoh WG, Azhar Ali, Tan CH, Koh HL (2019). Evaluation of anti-proliferative activity of medicinal plants used in Asian Traditional Medicine to treat cancer. Journal of Ethnopharmacology, 235:75–87. https://doi.org/10.1016/j.jep.2018.12.040
  • Koh HL (2019). Medicinal Plants Research. Discovering the benefits of medicinal plants for improving health. Advances in Science, 24(1):10-11. https://www.science.nus.edu.sg/wp-content/uploads/2019/11/AIS_June2019_v1b.pdf
  • Xu Y, Patel DN, Ng SLP, Tan SH, Toh D, Poh J, Lim AT, Chan CL, Low MY, Koh HL (2018). Retrospective study of reported adverse events due to complementary health products in Singapore from 2010 to 2016, Frontiers in Medicine, 5:167. https://doi.org/10.3389/fmed.2018.00167 
  • Siew YY, Neo SY, Yew HC, Lim SW, Ng YC, Lew SM, Seetoh WG, Seow SV, Koh HL (2015). Oxaliplatin regulates expression of stress ligands in ovarian cancer cells and modulates their susceptibility to natural killer cell-mediated cytotoxicity. International Immunology, 27(12):621-32. dxv041. https://doi.org/10.1093/intimm/dxv041
  • Patel DN, Ho HK, Tan LB, Tan MMB, Zhang Q, Low MY, Chan CL, Koh HL (2015). Hepatotoxic potential of asarones: In vitro evaluation of hepatotoxicity and quantitative determination in herbal products. Frontiers in Pharmacology, 6:25. https://doi.org/10.3389/fphar.2015.00025
  • Siew YY, Zareisedehizadeh S, Seetoh WG, Neo SY, Tan CH, Koh HL (2014). Ethnobotanical survey of usage of fresh medicinal plants in Singapore. Journal of Ethnopharmacology, 29;155(3):1450-66. https://doi.org/10.1016/j.jep.2014.07.024
  • Zareisedehizadeh S, Tan CH, Koh HL (2014). A review of botanical characteristics, traditional usage, chemical components, pharmacological activities and safety of Pereskia bleo Kunth DC.Evidence Based Complementary and Alternative Medicine, 2014:326107. https://doi.org/10.1155/2014/326107
  • Patel DN, Li L., Kee CL, Ge X, Low MY, Koh HL (2014). Screening of synthetic PDE-5 inhibitors and their analogues as adulterants: analytical techniques and challenges. Journal of Pharmaceutical and Biomedical Analysis, 87:176-90. https://doi.org/10.1016/j.jpba.2013.04.037
Books
  • A Guide to Medicinal Plants by Koh Hwee Ling, Tan Chay Hoon, Chua Tung Kian.

 

  • Medicinal Plants and Malaria: Applications, Trends and Prospects by Woon-Chien Teng, Ho Han Kiat, Rossarin Suwanarusk, Hwee-Ling Koh.

 

  • Ginseng and Ginseng Products 101: What are you buying? by Koh Hwee Ling, Wee Hai Ning and Tan Chay Hoon.