Thoo Yin Yin

ALTTEXTGOESHERE

Lecturer

PhD (Universiti Putra Malaysia, Malaysia)
Email:thoo.yin.yin@monash.edu
Telephone: (+603) 5514 6000,
Ext: 45691 (DID: 5514 5691)
Room number: 4-8-42 (Building 4, Level 8, No. 42)

  • Ultrasound-assisted extraction of bioactive compounds
  • Value added food products
  • Antioxidant interactions
  • Organogel

Units taught

Subject codeSubject
FST3810Human Nutrition
SCI3990Science in Action Research Project

Ho, S., Thoo, Y.Y., Young, D.J., Siow, L.F. (2017). Inclusion complexation of catechin by β-cyclodextrins: characterization and storage stability. LWT – Food Science and Technology, 86, 555-565.

Ho, S., Thoo, Y.Y., Young, D.J., Siow, L.F. (2017). Cyclodextrin encapsulated catechin: Effect of pH, relative humidity and various food models on antioxidant stability. LWT-Food Science and Technology, 85, 232-239.

Kristanto, T., Chen, W.S. and Thoo, Y.Y. (2016). Academic burnout and eating disorder among students in Monash University Malaysia. Eating Behaviors, 22, 96-100. http://dx.doi.org/10.1016/j.eatbeh.2016.03.029

Ghan, S.Y., Chin, J.H., Thoo, Y.Y., Yim, H.S. and Ho, C.W. (2016). Acute oral toxicity study of Aquilaria crassna and α-tocopherol in mice. International Journal of Pharmaceutical Sciences and Research, 7(4), 1456-1464.DOI: 10.13040/IJPSR.0975-8232.7(4).

Kuan, L.Y., Thoo, Y.Y. and Siow, L.F. (2016). Bioactive components, ABTS radical scavenging capacity and physical stability of orange, yellow and purple sweet potato (Ipomoea batatas) powder processed by convection- or vacuum-drying methods. International Journal of Food Science & Technology, 51(3), 700-709. Doi:10.1111/ijfs.13023.

Ho, S.K., Tan, C.P., Thoo, Y.Y., Abas, F. and Ho, C.W. (2014). Ultrasound-Assisted Extraction of Antioxidants in Misai Kucing (Orthosiphon stamineus). Molecules, 19:  12640-12659. Doi:10.3390/molecules190812640.

Hedegaard, R., Santos, C., Thoo, Y.Y., and Skibsted, L. (2014). Free radical processes in non-enzymatic browning of glucose and lysine. Influence of temperature and unsaturated lipids. Australian Journal of Chemistry, 67(5): 805-812. Doi:10.1071/CH13572.

Thoo, Y.Y., Ho, S.K., Abas, F., Ho, C.W., Lai, O.M. and Tan, C.P. (2013). Optimal binary solvent extraction system for phenolic antioxidants from mengkudu (Morinda citrifolia) fruit. Molecules, 18 (6): 7004-7022. 

Thoo, Y. Y., Ng, S. Y., Khoo, M. Z., Wan Aida, W. M. and Ho, C. W (2013). A binary solvent extraction system for phenolic antioxidants and its application to the estimation of antioxidant capacity in Andrographis paniculata extracts. International Food Research Journal, 20 (3), 1103-111.

Thoo, Y. Y., Abas, F. Lai, O.M.., Ho, C.W., Yin, J., Hedegaard, R.V., Skibsted, L.H. and Tan, C.P. (2012). Antioxidant synergism between ethanolic Centella asiatica extracts and α-tocopherol in model system. Food Chemistry, 138 (2-3), 1215-1219.

Chew, K. K., Khoo, M. Z., Ng, S. Y., Thoo, Y. Y., Wan Aida, W. M. and Ho, C. W. (2011). Effect of ethanol concentration, extraction time and extraction temperature on the recovery of phenolic compounds and antioxidant capacity of Orthosiphon stamineus extracts. International Food Research Journal, 18 (4), 1427-1435.

Chew, K.K., Ng, S.Y., Thoo, Y.Y., Khoo, M.Z., Wan Aida, W.M. and Ho, C.W. (2011). Effect of ethanol concentration, extraction time and extraction temperature on the recovery of phenolic compounds and antioxidant capacity of Centella asiatica extracts. International Food Research Journal, 18(2): 566-573.

Thoo, Y.Y., S.K. Ho, J.Y. Liang, C.W. Ho, and C.P. Tan (2010). Effects of binary solvent extraction system, extraction time and extraction temperature on phenolic antioxidants and antioxidant capacity from mengkudu (Morinda citrifolia), Food Chemistry, 120 (1), 290-295.

PhD Student (Present)

  1. Ghan Sheah Yee (Main supervision) - Modulating physical properties of palm oil-based organogels using water
  2. Ho Siyin (Co-supervision) - Microencapsulation of catechin with natural and modified cyclodextrin for functional food development

Master's Student (Present)

  1. Caryn Kho (Co-supervision) - Characterising properties of fermented red dragon fruit juice, its stability and post fermentation treatment

Master's Student (Completed)

  1. Ghan Sheah Yee (Co-supervision) - Regeneration of alpha-tocopherol in cooking oils by natural antioxidant  (Aquilaria crassna) crude extracts and its effect on oxidative stability of the oil under accelerated storage condition

Honours Student (Completed)

  1. Pak Yi Wen (Main supervision) - Effect of oil type on gelation and thermal properties soy lecithin-based organogels
  2. Kuan Lai Yee (Co-supervision) - Physicochemical and antioxidant properties of purple, orange and yellow sweet potato powder processed by vacuum and convection drying methods
  3. Tommy Kristanto (Co-supervision) - Academic burnout and eating disorder among students in Monash University Malaysia

Third Year Project Students (Completed)

  1. Nurul Fadhilah Syahirah (Main supervision) - Regeneration of alpha-tocopherol in cooking oils by natural antioxidant  (Aquilaria crassna) crude extracts and its effect on oxidative stability of the oil under accelerated storage condition
  2. Hani Hafeeza Halim (Main supervision) - Effect of sonication time on lipid oxidation & accelerated storage of sonicated sunflower oil  & palm oil
  3. Vivi Veronica (Main supervision) - Influence of various extraction parameters on the antioxidant content and capacity from Gaharu (Aquilaria malaccensis)
  4. Wee Wen Ye (Main supervision) - Thermal stability of Centella asiatica extract and its effect on oxidative stability of sunflower oil
  5. Thresia (Main supervision) - Oxidative stability of sunflower oil supplemented with Centella asiatica (pegaga) extract and α-tocopherol under accelerated storage.
  • Member of Malaysian Institute of Food Science and Technologists (MIFT)
  • Ordinary member of Nutrition Society Malaysia (NSM)
  • National Science Fellowship, 2010-2013
  • Winner (Bronze Medal), Key researcher, 2009 UPM Invention, Research and Innovation Award (28 July 2009), Optimisation of binary solvent extraction system for polyphenols and antioxidant capacity from Mengkudu aerial parts using response surface methodology.
  • Winner (Bronze Medal), Co-researcher, 2009 UPM Invention, Research and Innovation Award (28 July 2009), Optimization of extraction condition on phenolic compounds and antioxidant capacity from Phyllanthus niruri (Dukung Anak) using response surface methodology.
  • Dean’s List (5 Semesters), 2006-2008

Local Presentations

  1. Siyin Ho, Yin Yin Thoo, David James Young, Lee Fong Siow 2017. Stability of cyclodextrins complexed catechin in various storage and processing conditions and various food models. MIFT 10th National Food Science and Technology Competition, Taylor’s University Lakeside Campus, (March 17 – 18, 2017), Poster.
  2. Pak, Y.W., Siow, L.F. and Thoo, Y.Y., 2016. Comparative analysis of palm oil and sunflower oil organogels containing beeswax with commercial margarine. Monash Science symposium (November 21-23, 2016), Poster.
  3. Thoo, Y.Y., Abas, F., Lai, O.M., Ho, C.W. and Tan, C.P., 2012. Antioxidant synergism between Morinda citrifolia extract and α-tocopherol. International Conference on Food Science and Nutrition 2012 (April 2-4, 2012), Natural Product and Innovative Food Processing Posters.
  4. Thoo, Y.Y., Abas, F., Lai, O.M., Ho, C.W. and Tan, C.P., 2011. Enhancement of the extraction of bioactive compounds from Tinospora crispa using ultrasound. 7th MIFT Food Science & Technology Seminar (February 19-20, 2011), Oral presentation.
  5. Tan, C.P., Ho, C.W., Ho, S.K. and Thoo, Y.Y., 2009. Optimization of extraction condition on phenolic compounds and antioxidant capacity from Phyllanthus niruri (Dukung Anak) using response surface methodology. Pameran reka cipta, penyelidikan dan inovasi UPM 2009 (July 28, 2009), Poster.
  6. Tan, C.P., Ho, C.W., Thoo, Y.Y. and Ho, S.K., 2009. Optimisation of binary solvent extraction system for polyphenols and antioxidant capacity from Mengkudu aerial parts using response surface methodology. Pameran reka cipta, penyelidikan dan inovasi UPM 2009 (July 28, 2009), Poster.

International Presentations

  1. Pak, Y.W., Siow, L.F., Thoo, Y.Y., 2017. Comparative analysis of palm oil and sunflower oil organogels containing beeswax. Proceedings of the 15th ASEAN Conference on Food Science and Technology, November 14-17, 2017, Ho Chi Minh City, Vietnam, Oral presentation.
  2. Ghan, S.Y., Siow, L.F., Tan, C.P., Thoo, Y.Y. (2017). Structure and physical properties of organogels developed with sunflower oil. 10th International Conference and Exhibition on Nutraceuticals & Functional Foods (ISNFF) 2017, October 22-25, 2017, Gunsan, South Korea.
  3. Siyin Ho, Yin Yin Thoo, David James Young, Lee Fong Siow, 2016. Effect of Selected Parameters on the Stability, Antioxidant Properties and Physicochemical Properties of Inclusion Complex of Catechin by β-cyclodextrins. 1st Food Chemistry conference, 30th October – 1 November 2016, Amsterdam, The Netherlands, Poster.
  4. Rikke V. Hedegaard, Cecile Santos, Thoo Yin Yin and Leif H. Skibsted. AGE formation as influenced by lipid oxidation. 11th International Symposium on the Maillard Reaction (September 16-20, 2012), Poster.
  5. Tan, C.P., Thoo, Y.Y., Ho, C.W., Abas, F. and Lai, O. M., 2011. Antioxidant activity of extracts from ultrasound-assisted extraction of Centella asiatica and synergism with α-tocopherol. 9th Euro Fed Lipid Congress (September 18-21, 2011), Oxidation, Deep Frying, Marine Lipids Posters.
  6. Thoo, Y.Y., Ng, S.Y., Khoo, M.Z., Tan, C.P. and Ho, C. W., 2009. Effect of ethanol concentration on polyphenol content and antioxidant capacity of plant extracts: Andrographis paniculata, Centella asiatica, and Orthosiphon stamineus. 100th AOCS Annual Meeting and Expo (May 3-6, 2009), Lipid Oxidation and Quality Posters.