Assistant Professor Dr. Stephenie Wong Yoke Wei

Assistant Professor | Department of Food Science and Nutrition

Academic Qualifications

PhD Food Safety
MSc Food Biotechnology
BSc (Hons) Food Sc & Technology

Areas of Interest
Food safety in food service operation
Probiotics: screening and microencapsulation studies

Research Grants

  1. Name of grant: PSIF 
    Funder: UCSI University
    Project Title: Insight into school food handlers’ practices, barriers and beliefs for safe food handling in Klang Valley
    Duration: 2 years
    Role: Principal investigator
    Amount: RM24,000
    Status: Active


Current research project

  1. Antimicrobial activity and survival of water kefir culture in simulated gastric pH and bile condition (2019)
  2. Food safety knowledge, beliefs and perceptions of school food handlers and teachers in Klang Valley (2019)
  3. Effect of Different Coating Gums on the Survival of Microencapsulated Probiotics under Simulated Gastrointestinal Condition (2017)


  1. Hoh, S.J., Yee, S.F., Chong, K.Y., Chan, H.K. and Wong, S.Y.W. (2019) Effect of gums coating materials on the survival of microencapsulated probiotics under simulated gastrointestinal conditions. Proceedings Materials Today: Proceedings, ACCEPTED
  2. Chia PX, Tan LJ, Huang CMY, CHAN EWC*, Wong SYW, (2015) Hydrogel beads from sugar cane bagasse and palm kernel cake, and the viability of encapsulated Lactobacillus acidophilus. E-Polymers 15(6), 411-418 (IF: 0.57).
  3. R.P.K Sahadeva, Leong, S.F., Chua, J.H., Tan, C.H., Chan H. Y., Tong E.V., Wong S.Y.W. and Chan, H.K. (2011) Survival of commercial probiotic strains to pH and bile. International Food Research Journal, 18(4), 1515-1522
  4. The safety of canned foods, Malaysian Food Canners Association,
  5. Wong S.Y.W., B.M. Kabeir, M. Shuhaimi, M. Rosfarizan, and A.M. Yazid (2010) Viability of Bifidobacterium pseudocatenulatum G4 after spray drying and freeze drying. Microbiology Insights, 3, 37-43
  6. BM Kabeir, M Shuhaimi, W. Stephenie, S. Nazamid and AM Yazid (2009) Heat adaptation towards improve survival of Bifidobacterium longum BB536 during the spray drying of Sudanese fermented Medida. African Journal of Biotechnology, 8:8, 1615-1618
  7. W. Stephenie, B. M. Kabeir, M. Shuhaimi, M. Rosfarizan, and A. M. Yazid (2007) Influence of pH and impeller tip speed on the cultivation of Bifidobacterium pseudocatenulatum G4 in a milk-based medium. Biotechnology and Bioprocess Engineering,12, 1-9
  8. W. Stephenie, B. M. Kabeir, M. Shuhaimi, M. Rosfarizan, and A. M. Yazid (2007) Growth optimization of a probiotic candidate, Bifidobacterium pseudocatenulatum G4, in milk-based medium using response surface methodology. Biotechnology and Bioprocess Engineering, 12, 106-113
  9. B. M. Kabeir, A. M. Yazid, W. Stephenie, M. Nazrul Hakim, O. Muhammad Anas and M. Shuhaimi (2007) Safety evaluation of Bifidobacterium pseudocatenulatum G4 as assessed in BALB/C mice. Letters in Applied Microbiology, 46(1), 32-37
  10. W Stephenie, KW Yap, MK Barka, M Shuhaimi, M Rosfarizan, AM Yazid (2006) Survival of Bifidobacterium pseudocatenulatum strains isolated from breast-fed infants to simlated gastric pH environment. Malaysian Applied Biology, 35 (1), 57


  1. Hoh, S.J., Yee, S.F., Chong, K.Y., Chan, H.K. and Wong, S.Y.W. Effect of gums coating materials on the survival of microencapsulated probiotics under simulated gastrointestinal conditions. 4th Advanced Materials Conference 2018, 4th AMC 2018, 27-28 November 2018, Hilton Kuching Hotel, Kuching, Sarawak,
  2. Wong Stephenie Yoke Wei; Mahyudin, Nor Ainy; Ho, Jo Ann and Ungku Zainal Abidin, Ungku Fatimah. Perceived Barriers and Motivators of School Food Handlers to Using Food Thermometers in Klang Valley, Malaysia. 7th Asian Conference on Food and Nutrition Safety, 11-13 October 16, at St Giles Wembley, Penang
  3. International Food Safety Conference 2012, 16-18th July 2012, organized by MIFT, Crowne Plaza Mutiara
  4. International Conference on Learning and Teaching in Higher Education, Tunku Abdul Rahman College, Putrajaya Marriott Hotel, 4-5 August 2008
  5. W Stephenie and S.C. Yap. The use of inulin in the development of yogurt, 2nd International Conference on East-West Perspectives on Functional Foods: Science, Innovations and Claims, November 5-7, 2007, Crowne Plaza Mutiara, Kuala Lumpur, Malaysia.

Awards and Recognitions

  1. Long service award (2017). UCSI University
  2. Gold medal: Shuhaimi, M, Kabeir, BM, Yazid, AM, Stephenie, W, Nazrul Hakim, M, Muhammad Anas, O and Mohd Yamid, S (2008) Safety Evaluation of Probiotic Food Candidate as Assessed in BALB/c Mice. Pameran Reka Cipta, Penyelidikan dan Inovasi UPM 2008. 29-31 July 2008, Pusat Kebudayaan dan Kesenian Sultan Salahuddin Abdul Aziz Shah, UPM, Serdang. UPM/ Malaysia National 2008
  3. Silver medal: Shuhaimi, M, Kabeir, BM, Yazid, AM, Nazrul Hakim, M, Nazamid, S and Stephenie, W (2009) Development of probiotic candidate for gut health. Malaysia Technology Expo 2009, 19-21 February 2009, Kuala Lumpur. Technology Expo 2009/ Malaysia National 2009
  4. Best employee of the month award by Sunway Lagoon Resort Hotel (June 2002)

Networks and Collaborations on Research

  1. CS Progyms Pharmaceutical Sdn Bhd (2012-2013). Effect of selected collagen drinks on skin properties

Contributions to Society

  1. Certified trainer for the 'Program Latihan Pengendali Makanan, Kementerian Kesihatan Malaysia)