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Dr. RS Sabaragamuwa

Senior Lecturer

Applied Sciences

Email : rasangi@appsc.sab.ac.lk

Mobile :0714405086

    Qualifications

  • PhD in Food Science and Technology

    Food Science Programme

    School of Chemical Sciences

    University of Auckland

    New Zealand

     

    Masters of Philosophy in Food Science and Technology

    Postgraduate Institute of Agriculture

    University of Peradeniya

    Sri Lanka

     

    Bachelor of Science in Agriculture 

    Major module: Food Science and Technology

    University of Peradeniya

    Sri Lanka

     

    High school education – G.C.E. O/Levels and G.C.E. A/Levels

    Girls’ High School, Kandy

     

    Other Professional Training

    Certificate in Teaching Methodology

    Staff Development Centre, Sabaragamuwa University of Sri Lanka.

    Academic English- Writing research reports

    School of Applied Language Studies and Linguistics, Faculty of Arts, University of Auckland, New Zealand.

     

    Membership of Professional Bodies/Associations

  • Member – Institute of Food Technologists (IFT), USA

    Member – Royal Society of Chemistry, UK

    Research Interests

  • Post-harvest waste minimization

    Food functionality and natural therapeutics

    Phytochemical profiling by sophisticated technology

    Culture related food consumption behaviour

    Recent Publications

  • Sabaragamuwa, R., Perera, C. O., & Fedrizzi, B. (2021). Ultrasound assisted extraction and quantification of targeted bioactive compounds of Centella asiatica (Gotu Kola) by UHPLC-MS/MS MRM tandem mass spectroscopy. Food Chemistry, 131187.

    Jayasena, N., Sabaragamuwa, R., & Wijewardane, N. (2021). A Texture Modified, Plant-Based Ready-Meal for Elderly with Dysphagia. Institute of Food Technologists (IFT), Annual meeting and Food Expo (Virtual Event), Chicago, IL, USA.

    Anuradha, N. G. D., Gayathri, S. M. D. S., Dias, Gayani Imanthika, Kananke, Thilini Chathurangi, Rathnayaka, Kapila Tharanga, Sabaragamuwa, R., Rathnayaka, R. M. U. S. K., Wickramaratne, Merita Nirmali, Perera, M. G. A. N. (2021). Potential hypoglycemic activity of Kaempferol rhamnoside isolated from Olax zeylanica (Malla) leaves. Institute of Chemistry Ceylon.

    Wickramasinghe, M.A., Dias, P.G.I., Anuradha, N.G.D., Kananke, T.C., Perera, M.G.A.N., Rathnayaka, R.M.K.T.,  Sabaragamuwa, R.S., Wickramarathne, M.N., Rathnayaka, R.M.U.S.K. (2021) A Ready-Meal Functional Soup Mix Supplemented with Potential Antidiabetic Herbs. iPURSE 2021, University of Peradeniya.

    Wijekoon W.M.A.N., Gayathri S.M.D.S., Dias P.G.I., Anuradha, N.G.D., Kananke, T.C., Perera, M.G.A.N., Rathnayake, R.M.K.T., Sabaragamuwa, R., Wickramaratne, M.N., Rathnayake, R.M.U.S.K. (2021). Antimicrobial activity and phytochemical screening of selected plant species against Salmonella typhi and Escherichia coli. International Conference on Applied and Pure Sciences, University of Kelaniya.

    Ranasingha K., Gayathri S.M.D.S., Dias P.G.I., Anuradha, N.G.D., Kananke, T.C., Perera, M.G.A.N., Rathnayake, R.M.K.T., Sabaragamuwa, R., Wickramaratne, M.N., Rathnayake, R.M.U.S.K. (2021). Physicochemical, techno-functional and hypoglycemic properties of selected wheat flour substitutes. International Conference on Applied and Pure Sciences, University of Kelaniya. 

    Wijerathne, S., Dias, G.I., Anuradha, N.G.D., Gayathri, S.M.D.S.,  Perera, M.G.A.N., Kananke, T.C., Rathnayaka, R.M.K.T., Sabaragamuwa, R.S., Wickramaratne, M.N., Rathnayake, R.M.U.S.K. (2020). Optimization of brewing time and temperature for improving total phenolic content and antioxidant activity in Passiflora foetida L. tea using response surface methodology. The 06th International Conference on Ayurveda Traditional Medicine and Medicinal Plants under the conference series of GARI WINTER MULTIDISIPLINIARY SYMPOSIUM, held on 17th December 2020 at Galle Face Hotel, Colombo, Sri Lanka (Oral Presentation).

    Sabaragamuwa, R., Perera, C. O., & Fedrizzi, B. (2019). Ultrasound and steam distillation assisted extraction, tandem mass spectrometry profiling and targeted quantification of potential neuroprotective phytochemicals in Centella asiatica(Gotu Kola). 2ndFood Chemistry Conference (September, 2019), Seville, Spain.

    Alzahrani, M. A. J., Perera, C. O., Sabaragamuwa, R., & Hemar, Y. (2019). Assessment of Bioactive Potential of Aqueous Protein Extracts from Diatoms Nitzschia laevis, Spirulina platensis, and Chlorella vulgaris. Journal of aquatic food product technology, 28(2), 177-193.

    Sabaragamuwa, R., Perera, C. O., & Fedrizzi, B. (2018). Centella asiatica (Gotu kola)as a neuroprotectant and its potential role in healthy ageing. Trends in Food Science & Technology, 79, 88-97. doi:https://doi.org/10.1016/j.tifs.2018.07.024

    Sabaragamuwa, R., Perera, C. O., & Fedrizzi, B. (2018). Targeted quantification of potential neuroprotective bioactive phytochemicals of Centella asiatica(Gotukola) by UHPLC-ESI/MRM tandem masspectrometry. Institute of Food Technologists (IFT), Annual meeting and Food Expo, Chicago, IL, USA.

    Sabaragamuwa, R., Perera, C. O., & Fedrizzi, B. (2018). Centella asiatica(Gotukola)– Will it help to preserve this moment in your memory? Exposure poster competition. University of Auckland, NZ.

    Sabaragamuwa, R., Perera, C. O., & Fedrizzi, B. (2018). Characterization and targeted quantification of potential neuroprotective bioactive phytochemicals of C. asiatica.Annual research showcase 2018, School of chemical sciences, University of Auckland, NZ.

    Sabaragamuwa, R., Perera, C. O., & Fedrizzi, B. (2017). Potential bioactive compounds from Centella aisatica (Gotukola)for neuroprotection and defense against neurodegenerative diseases. Annual research showcase 2017, School of chemical sciences, University of Auckland, NZ.

    Sabaragamuwa RS, Dharmasena, DAN and Mannaperuma, J. (2014), Evaluation of storability of big onions under controlled temperature and RH conditions for postharvest waste minimization, presented at International Conference of Agricultural Sciences 2014

    Sabaragamuwa RS, Dharmasena, DAN and Mannaperuma, J. (2012), Storage of big onions under controlled environment for postharvest waste minimization, presented at International Symposium for Sustainable Built Environment 2012

    S.Malavipathirana, C.P.Udawatte, D.H.U.Eranda, S.S.K.Medage and R.S. Sabaragamuwa (2012), An initiative to develop novel biodegradable packaging film by means of fish and crustaceans waste based substances presented at International Symposium on Polymer Science and Technology 2012

    Sabaragamuwa RS, Dharmasena, DAN and Mannaperuma, J., (2011), Optimization of Environmental Parameters for Short-term Storage of Big Onions and Evaluation of the Feasibility of Controlled Environmental Storage. Tropical Agricultural Research, Vol. 22 (4): 356 – 366

    Eranda, D.H.U., Malavipathirana, S., Medage, S.S.K. and Sabaragamuwa, R. (2008) Development of novel food packaging film made up from Chitosan and Fish Gelatin, and determination of its physical and biodegradable characteristics, Proceedings of the 64th Annual Session, Sri Lanka Association for the Advancement of Science (SLAAS),Colombo, Sri Lanka.

    Sabaragamuwa., R.S., Arampath, P.C. and Tilakerathne, B.M.K.S.(2003) Production of minimally processed fruit chunks of mango, pineapple and papaya. Proceedings of the 59th Annual Session, Part – I, Sri Lanka Association for the Advancement of Science (SLAAS).

    Undergraduate Teaching

  • Senior Lecturer (Grade II) - Since 2013 November 

    Department of Food Science and Technology, Faculty of Applied Sciences, Sabaragamuwa University of Sri Lanka

          - Preparation and delivery of lectures, tutorials and practical classes for undergraduates in the following subjects:

    • Food Packaging
    • Sensory Evaluation
    • Functional Foods and Nutraceuticals
    • Food Process Engineering
    • Instrumental Techniques

       - Research and development: Independent research and supervision of student research projects

       - Course development: Preparation of course materials

    Probationary Lecturer (Nov 2005 – Nov 2013)

    Department of Food Science and Technology, Faculty of Applied Sciences, Sabaragamuwa University of Sri Lanka

    Assistant Lecturer (Nov 2004 – Nov 2005)

    Department of Food Science and Technology, Faculty of Applied Sciences, Sabaragamuwa University of Sri Lanka

    Tutor  (Oct 2003 – Oct 2004 )

    Department of Agribussiness Management, Faculty of Agricultural Sciences, Wayamba University of Sri Lanka

    - Assisting lectures and tutorial classes

    - Assisting practical classes related to statistical software


    Graduate Teaching Assistant - 2016-2018

    Food Science Programme, School of Chemical Sciences, University of Auckland

    Demonstrator(April 2003 – Oct 2003)

    Department of Food Science and Technology, Faculty of Agriculture, University of Peradeniya, Sri Lanka

    - Conducting practical classes in Biochemistry and Food Analysis

     

    Postgraduate Teaching

  • 2010 - Visiting Teaching Assistant

    Postgraduate Institute of Science, University of Peradeniya, Sri Lanka

    - Conducting classes in statistical software for postgraduate students

    Any Other

  • Mother tongue: Sinhalese

    Other languages: English 

    Other credentials: Communication and presentation skills, effective teaching skills, organizational skills, Team working ability, analytical thinking ability, assertiveness, ability to mediate and conflict handling, independent working skills, work commitment, positive attitudes and mindset

    Personal interests: Reading, Cinema, Spending time with family, Traveling, Practising mindfulness, Culinary arts