vijith.jayamanne@gmail.com vsjayamanne@fst.ruh.ac.lk

+94 77 554 3028

+94 41 229 2200

Prof. Vijith S. Jayamanne

Senior Professor

Department of Food Science and Technology,
Faculty of Agriculture, University of Ruhuna,
Mapalana, Kamburupitiya,
Sri Lanka 81100

Research Interests

Qualifications

Ph.D. | University of Surrey, UK
M.Phil. | University of Peradeniya, Sri Lanka
B.Sc. in Agriculture (Honours) | University of Ruhuna, Sri Lanka
Chartered Biologist (CBiol) | Royal Society of Biology
Fellow of the Institute of Biology (FIBiol) | Institute of Biology

Positions

Director | DCEU, University of Ruhuna

Biography

Prof. Vijith S. Jayamanne is a Senior Professor in the Department of Food Science and Technology, Faculty of Agriculture, University of Ruhuna. He holds a PhD from the University of Surrey, UK, an MPhil from the University of Peradeniya, and a BSc in Agriculture (Honours) from the University of Ruhuna. He is a Chartered Biologist (CBiol) and a Fellow of the Institute of Biology (FIBiol). His research interests encompass Food Microbiology and Safety, Food Processing, Quality Control, Dairy Technology, and Probiotics. He has been the recipient of numerous prestigious awards and fellowships including the Commonwealth Academic Research Fellowship at the University of Nottingham, Endeavour Research Fellowship at Curtin University, and the Presidential Award for research excellence from the National Research Council, Sri Lanka. Prof. Jayamanne has over 20 years of experience in teaching and research, with extensive publications in international peer-reviewed journals.

Awards

Total: 3

01
Presidential Award for research excellence in Food Science and Technology, National Research Council (NRC) Sri Lanka (2010)
02
Best poster presenter, Society for Applied Microbiology (SfAM) Summer Conference, Brighton, England (2005)
03
Dr CR Mohotti memorial gold medal for the best student (batch-top, third year), University of Ruhuna, Sri Lanka (1996)

Fellowships

Total: 3

01
Research Fellow, Guizhou Academy of Testing and Analysis, Guizhou Academy of Sciences (GAS) China (2018-2019)
02
Endeavour Research Fellow, School of Molecular and Life Sciences, Curtin University, Australia (2016-2017)
03
Commonwealth Academic Research Fellow, University of Nottingham, England (2015-2016)

Scholarships

Total: 7

01
Commonwealth postgraduate competitive research scholarship for doctoral studies, University of Surrey, UK (2002-2006)
02
Postgraduate research assistantship, Memorial University of Newfoundland, Canada (2002)
03
Dr AWR Joarchim Memorial Award for the best student at PGIA (GPA 3.96/4.0), University of Peradeniya (2001)
04
The Most Meritorious Student of PGIA (GPA 3.96/4.0), University of Peradeniya (2000)
05
Postgraduate scholarship, National Science Foundation (NSF), Sri Lanka (2000)
06
Competitive postgraduate research scholarship, Zhejiang University, China (1997)
07
Merit Scholarship for undergraduate studies, EDCS, Colombo, Sri Lanka (1989)

Teaching Areas

Total: 5

01
Food Microbiology
02
Food Safety
03
Biochemistry
04
Quality Control of Foods
05
Thermal Food Processing

Journal Publications

Total: 20

2025Jayamanne, VS, Kanishka, MEVL and Piyaratne, MKDK (2025). Assessment of the nutritional status of rural adults in Pitakatuvana GN division, Matara, Sri Lanka and development of the “NutriGuide” software as a computer-based nutritional guide (2025). Food and Life (In Review). (Full Paper).

2024Coorey, R, Chakubinga, D, Buys, E, Patrick, Kunadu, APH, Johnson, S, Jayamanne, VS and Dykes, G (2024). Situational analysis of compliance with regulations in formal and informal chicken processing in Australia and Africa. Comprehensive Reviews in Food Science and Food Safety. (Review Paper).

2022Shanika, MKA, Kumararathna, KS, Navarathne, SB and Jayamanne, VS (2022). Design a steam chamber to avoid over gelatinization thus producing straight and single form of rice noodle strings. Food and Life. (3): 97-101.

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2020Kumara Kithsiri, KHS, Jayamanna, VS and Abewickrama, LM (2020). Evaluation of the competitiveness of the Ceylon tea in the world market. Sri Lankan Journal of Agriculture and Ecosystems. 2(1). Pp.89-98. (Full Paper).2020Z Li, L Zhao, F Xie, C Yang, VS Jayamanne, H Tan, X Jiang, H Yang (2020). Study of assessment of green tea grades in GC-MS determination of aromatic components based on principal component analysis. Journal of Food Processing and Preservation 45 (1), e15047.

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2020Wickrama, PSSL, Sandika, AL and Jayamanne (2020). Development of a product quality index for the value chain of the dairy industry: a case study in Monaragala District in Sri Lanka. Tropical Agricultural Research and Extension. 23(1-2). 12-24.

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2020Wickrama, PSSL, Sandika, AL and Jayamanne, VS. (2020). Quality and Price Variation in the Dairy Value Chain. Sri Lankan Journal of Agriculture and Ecosystems. 2(2): 141-151.

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2018Coorey, R, Hui-Ng S., Jayamanne, VS, Buys, E Munyard, S, Carl, J Mousley, PMK and Dykes, G (2018). The impact of cooling rate on the safety of ready-to-eat food products in the catering sector: an Australian perspective. Comprehensive Reviews in Food Science and Food Safety. 17: 827-840 (Review Paper). https://ift.onlinelibrary.wiley.com/doi/10.1111/1541-4337.12357

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2016Hemamali, KKGU, Jayamanne, VS and Amarathunge, SM (2016). Physicochemical and microbiological quality of some consumer preferred plain set-yoghurts sold in Matara municipal area of Sri Lanka. International Journal of Scientific and Technology Research. 5(1):62-65. (Full Paper).

2015Gunasekara, SRW, Hemamali, KKGU, Dayananda, TG and Jayamanne, VS (2015). Postharvest quality analysis of 'Embul' banana following artificial ripening techniques. International Journal of Science, Environment and Technology. 4(6): 1625-1632. (Full Paper).

2015Jayasinghe, O, Fernando, GSN, Jayamanne, VS, Hettiarachchi, D (2015). Production of a novel fruit-yoghurt using dragon fruit (Hylocereus undatus L.). European Scientific Journal. 11(3):208-215. (Full Paper).

2015Gunasekara, SRW, Memamali, KKGU, Dayananda, TG and Jayamanne, VS (2015). Postharvest quality analysis of 'Embul' banana following artificial ripening techniques. International Journal of Science, Environment and Technology. 4(6): 1625-1632. (Full Paper).

2014Jayasooriya, MCN, Jayamanne, VS and Ranathunga, MTN (2014). Development of a new processed mussel product using local mussel species (Pernaviridis spp.). Sabaragamuwa University Journal. 13(1):57-64. (Full Paper).

2014Sandika, AL, Seethagama, SP and Jayamanne, VS (2014). Awareness and adoption of maintaining quality standards: A confectionaries producers' prospective. European Scientific Journal: 2:351-357. (Full Paper).

2010Jayamanne, VS and Samarajeewa, U (2010). Evaluation of the heat resistance of pathogenic Listeria monocytogenes. Tropical Agricultural Research and Extension. 13(3):73-80. (Full Paper).

2010Jayamanne, VS and Samarajeewa, U (2010). Evaluation of the effects of fermentation of buffalo curd and acidity on survival kinetics of Listeria monocytogenes. Tropical Agricultural Research and Extension. 13(4):94-98. (Full Paper).

2009Jayamanne, VS and Adams, MR (2009). Modelling the effects of pH, storage temperature and redox potential (Eh) on the survival of bifidobacteria in fermented milk. International Journal of Food Science and Technology. 44 (6). Pp. 1131-1138.

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2006Jayamanne, VS and Adams, MR (2006). Determination of survival, identity and stress resistance of probiotic bifidobacteria in bio-yoghurts. Letters in Applied Microbiology. 42:189-194. (Full Paper).

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2004Jayamanne, VS and Adams, MR (2004). Survival of probiotic bifidobacteria in buffalo curd and their effect on sensory propertiesInternational Journal of Food Science and Technology 39 (7), 719-725.

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2002Jayamanne, VS, Wijeratne, M and Wijayaratna, CM (2002). Adoptability of new technology in the smallholdings tea sector. Journal of Agriculture and Rural Development in the Tropics and Subtropics. 103(2): 125-132. (Full Paper).

2001Jayamanne, VS and Samarajeewa, U (2001). Incidence and detection of Listeria monocytogenes in milk and milk products of Sri Lanka. Tropical Agricultural Research. 13:42-50. (Full Paper).

Conference Publications

Total: 48

2024Chathurika, GWP, Jayamanne, VS and Piyaratne, MKDK (2024). Consumer Perception on bakery foods and development of a Food Safety Cloud for the Bakery Industry in Sri Lanka. Proc. International Symposium on Agriculture and Environment (ISAE) Conference 2024. 10 May 2024. Faculty of Agriculture, University of Ruhuna, Sri Lanka. Pp. 75. (Abstract).

2023Dhanawardhana, AMU, Jayamanne, VS and Piyaratne, MKDK (2023). Consumer Perception on Dairy Foods and Development of a Food Safety Cloud for the Dairy Industry in Sri Lanka. Proc. The 1st Ruhuna International Conference on Innovation and Technology (RICIT). 24th November 2023. Faculty of Technology. University of Ruhuna. Pp.4. (Abstract).

2022Kumararathna, KS, Shanika, KA, Navarathne, SB and Jayamanne, VS (2022). Performance comparison of five different steam chambers used to produce straight and single form of rice noodle strings. Proc. ISAE Symposium 2022. 16 June 2022. University of Ruhuna. Pp. 73. (Abstract).

2018Kanishka, MEVL, Jayamanne, VS, and Piyaratne, MKDK (2018). Assessment of nutritional status of rural adults in Mapalana-Pitakatuwana GN division, Matara and development of the "NutriGuide" software as a computer-based nutritional guide. Proceedings of the ISAE 2018 Conference, Faculty of Agriculture, University of Ruhuna, Sri Lanka. Pp.34.

2016Jayamanne, VS, Yunita, D and Dodd, C (2016). The viability of probiotic bifidobacteria in soft-cheese during ripening. Proc. International Conference on Nutraceuticals and Functional Foods. Kalamata, Greece. Pp.128. (Abstract).

2014Silva, KDRR, Nanayakkara, GJM, Jayamanne, VS, Wijesinghe, DGNG, Fernando, GSN and Wijesekara, GAW (2014). Utilization of agro- biodiversity for dietary diversity by rural households in Sri Lanka. Proc. International Symposium on Biodiversity, Food and Nutrition. Colombo, Sri Lanka. Pp.13. (Abstract).

2013Jayamanne, VS, ZhuoChai, Fernando, GSN, Subodinee, AAM, Kumari, WGU, Senanayaka, SGJN, Rathnasekara, WADPR (2013). Baseline study on the nutritional status of rural population in Ambagahakanda village adjacent to the Sinharaja forest. Proceedings of Eleventh Academic Sessions. University of Ruhuna, Sri Lanka. Pp.117.

2013Ranaweera, DI, Nawarathna, SB and Jayamanne, VS (2013). Development of quick cooking jak seeds (Artocarpus heterophylus L.) for the fast food industry. Proc. Annual Sessions, Sri Lanka Association for the Advancement of Science (SLAAS). Sri Lanka. Pp.232-234. (Extended Abstract).

2013Samarakoon, UD and Jayamanne, VS (2013). Development of a ready-to-serve (RTS) drink using Kothalahimbutu (Salacia reticulata). Proc. 10th Academic Sessions, University of Ruhuna. Sri Lanka. Pp.83.

2013Abeysinghe, ID, Jayamanne, VS and Fernando, J (2013). Production of herbal butter incorporated with ginger. Proc. International Symposium on Agriculture and Environment 2012 (ISAE 2012). University of Ruhuna. Sri Lanka. Pp. 180-183. (Extended Abstract).

2013Shirani, KGT and Jayamanne, VS (2013). Development of herbal cheese using curry leaves. Proc. Student Session, ISAE 2013. University of Ruhuna. Pp. 168-171. (Extended Abstract).

2013Ranaweera, DI, Nawarathna, SB and Jayamanne, VS (2013). Development of rapid-cooking jak seeds. Proc. Student Session, ISAE 2013. University of Ruhuna. Pp. 164-167. (Extended Abstract).

2013Arachchi, MPM, Nawarathna, KKK and Jayamanne, VS (2013). Development of muffin using Buthsarana yam flour. Proc. Student Session, ISAE 2012. University of Ruhuna. Pp. 156-159 (Extended Abstract).

2012Wickramasinghe, YK and Jayamanne, VS (2012). Development of herbal tea incorporated with Gammalu. Proc. ISAE 2012. University of Ruhuna, Sri Lanka. Pp. 112.

2011Maduwanthi, SMPC, Hafeel, RF, Sirisena, DN, Rathnayaka, WMUK and Jayamanne, VS (2011). Influence of straw on grain quality parameters of rice variety Bg359 under different water regimes. Proc. The Eight Academic Sessions 2011, University of Ruhuna, Sri Lanka. Pp.200.

2011Galapatti, KM and Jayamanne, VS (2011). Manufacture of cakes using bread-fruit flour. Proc. 8th Academic Sessions, University of Ruhuna. Pp.205.

2011Kumudumali, P.G., Jayarathna, M.P.K., Jayamanne, V.S. and Silva, A.S.K. (2011). Development of carotene enriched pasteurized milk incorporated with carrot (Daucus carota L.). Proceedings of the Eighth Academic Sessions. University of Ruhuna, Sri Lanka. Pp.184.

2010De Silva, ASK and Jayamanne, VS (2010). Development of an organic Aloe vera drink incorporated with citrus fruit. Proc. International Symposium 2010, Faculty of Agriculture, University of Ruhuna. Pp.27-29. (Extended Abstract).

2010Warnakulasuriya, DP, Fonseka, S, Jayamanne, VS and Fernando, GSN (2010). Bottling and improvement of the shelf-life of king coconut (Cocos nucifera L.) water as an organic soft drink. Proc. The International Symposium of the Faculty of Agriculture 2010, University of Ruhuna, Sri Lanka. 16thNovember 2010. Pp.145-147. (Extended Abstract)

2010Udayanganie, KKA and Jayamanne, VS (2010). Development of Coconut milk drink with readily available fruits in Sri Lanka. Proc. International Symposium, Faculty of Agriculture, University of Ruhuna. Pp.32-33.

2010Abeysekara, S and Jayamanne, VS (2010). Development of healthy fruit yoghurt incorporated with Ambarella fruit. Proc. International Symposium 2010. Faculty of Agriculture, University of Ruhuna. Pp.113.

2010Ramanayake, RATM, Jayamanne, VS and Jayarathna MPΚ (2010). Development of pasteurized malted drink. Proc. International Symposium 2010, Faculty of Agriculture, University of Ruhuna. Pp.117.

2010Galappatti, KM and Jayamanne, VS (2010). Production of fruit yoghurt with incorporated Annona. Proc. 10th Academic Sessions, University of Ruhuna. Pp.107.

2010Pilapitiya, OH and Jayamanne, VS (2010). Development of fruit yoghurt incorporated with Jak fruit. Proc. 10th Academic Sessions. University of Ruhuna. Pp.118.

2010Abeysekare, S and Jayamanne, VS (2010). Development of healthy fruit yoghurt incorporated with Star fruit. Proc. 10th Academic Sessions, University of Ruhuna. Sri Lanka. Pp. 105.

2009Jayamanne, VS (2009). Survival kinetics of probiotic Lactobacillus acidophilus and Bifidobacterium longum in buffalo curd. Proc. SLAAS Annual Sessions 2009. Sri Lanka. Pp.37-39. (Extended Abstract).

2009Roshinie, MKK, Navaratne, SB and Jayamanne, VS (2009). Evaluation of the effect of Hal bark on controlling yeast. Proc. 2nd National Symposium, Faculty of Agriculture, University of Ruhuna. Sri Lanka. Pp.90.

2009Jayamanne, VS (2009). Occurrence of pathogenic Listeria monocytogenes strains in raw meat and meat products in Sri Lanka. Proc. SLAAS Annual Sessions 2009. Sri Lanka. Pp.197. (Extended Abstract).

2008Jayamanne, VS and Dissanayaka, KC (2008). Determination of the survival kinetics of probiotic bifidobacteria and lactobacilli in bio-yoghurt. Proc. SLAAS Annual Sessions 2008. Pp.28-30. (Extended Abstract).

2008Jayamanne, VS, Adams, MR and Dissanayaka, KC (2008). Some studies on characterization of bacterial contents in bio-yoghurts. Proc. National Symposium 2008, Faculty of Agriculture, University of Ruhuna. Pp.44-45.

2008Gurusinghe, AK and Jayamanne, VS (2008). Development of herbal tea with Masbedda plant leaves. Proc. National Symposium 2008, University of Ruhuna. Pp.128-129.

2008Pilapitiya, OH, Arsekularatne, DAM and Jayamanne, VS (2008). Development of a set-type yoghurt using goat milk. Proc. National Symposium 2008. University of Ruhuna. Pp.113.

2007Jayamanne, VS and Adams, MR (2007). Viability of probiotic bifidobacteria in traditional buffalo curd in Sri Lanka. Proc. International Conference on Traditional Dairy Foods. Karnal, India. Pp. 26. (Abstract).

2007Jayamanne, VS and Samarajeewa, U (2007). Occurrence of virulent Listeria monocytogenes strains in milk products in Sri Lanka. Proc. Asia Conference on Laboratory Biosafety and Biosecurity. Bangkok. Thailand Pp.48. (Abstract).

2007Jayamanne, VS and Adams, MR (2007). Development of polynomial survival models for bifidobacteria. Proc. SLAAS Annual Sessions 2007. Pp.32-33. (Extended Abstract).

2006Jayamanne, VS and Adams, MR (2006). Effects of pH, storage temperature and Eh on the survival of probiotic bifidobacteria. Proc. CIFST Conference 2006. Montreal, Canada. Pp.213. (Abstract).

2005Jayamanne, VS and Adams, MR (2005). Survival kinetics and stress resistance of Bifidobacterium spp. Proc. SfAM Summer Conference. Brighton, England. Pp.31. (Abstract).

2005Jayamanne, VS and Adams, MR (2005). Development of survival models for bifidobacteria proves useful for the bio-yoghurt industry. Proc. 4th NIZO Dairy conference 2005. Arnhem, The Netherlands. Pp.29. (Abstract).

2005Jayamanne, VS and Adams, MR (2005). Identity, survival, and stress resistance of Bifidobacterium spp. in bio-yoghurts. Proc. International Conference on Environmental, Applied and Industrial Microbiology 2005. Badajoz. Spain. Pp.481. (Abstract).

2005Jayamanne, VS and Adams, MR (2005). Modelling the survival of Bifidobacterium longum in fermented milk. Predictive Food Microbiology and Risk Assessment. Proc. SfAM Winter Conference 2005. Norwich, England. Pp.18. (Abstract).

2004Jayamanne, VS and Adams, MR (2004). Production of probiotic buffalo curd with incorporated bifidobacteria. Proc. 1st Festival of Research 2004, University of Surrey. England. Pp.17. (Abstract).

2004Jayamanne, VS and Adams, MR (2004). Survival of probiotic Bifidobacterium spp. in fermented milk products. Dairy and Food Microbiology: Proc. SfAM Summer Conference 2004. Cork, Ireland. Pp. 22. (Abstract).2003 Jayamanne, VS and Adams, MR (2003). Production of probiotic buffalo curd with incorporated bifidobacteria and evaluation of its effect on sensory properties. Proc. Association of Applied Biologists Conference 2003. London, England. Pp. 71. (Abstract).

2003Jayamanne, VS and Samarajeewa, U (2003). Listeria monocytogenes: Its survival during processing. Proc. 8th ASEAN Food Conference 2003. Hanoi, Vietnam. Pp 728-731. (Extended Abstract).1998Jayamanne, VS and Wijeratne, M (1998). Current trends in technology adoption in the tea smallholdings sector. Proc. SLAAS Annual Sessions 1998. Pp.346-347. (Extended Abstract).1998Rathnayaka, M, Wijeratne, V and Jayamanne, VS (1998). Evaluation of grain quality characteristics of commonly grown rice varieties. Proc. SLAAS Annual Sessions 1998. Pp.112-114. (Extended Abstract).

2011Jayarathna, MPK, Gamage, PMW, Jayamanne, VS, Gunarathna, MAWS, Galappatti, KM, Nanayakkara, GT, Udayanganie, KKA and Ramanayake, RATM (2011). Development of value-added low-fat yoghurts using mixed- fruits, Cassava flour (Manihot esculenta L.) cereal mixture and evaluation of their physicochemical, microbiological and sensory properties. Proc. Eighth Academic Sessions. University of Ruhuna, Sri Lanka. Pp. 17-23 (Full Paper).

2011Dissanayake, SAJ, Wadasinghe, A, Jayamanne, VS and Fernando, GSN (2011). Evaluation of pungency of chillie using the Scoville Index. Proc. 8th Academic Sessions 2011, University of Ruhuna, Sri Lanka. Pp.36-41 (Full Paper).

2010Fernando, GSN and Jayamanne, VS (2010). Development of herbal drinking yoghurt incorporated with Curry leaves, Hathawariya and Polpala. Proc. International Symposium, Faculty of Agriculture, University of Ruhuna. Pp.112. (Full Paper).

2010Udage, PM, Arsekularatne, M, Jayamanne, VS and Fernando, GSN (2010). Development of frozen jelly incorporated vanilla ice cream and determination of its quality parameters. Proc. The International Symposium of the Faculty of Agriculture 2010. University of Ruhuna, Sri Lanka. 16thNovember 2010. Pp. 80 – 92. (Full Paper).

2010Pathirana, SD, Hafeel, RF, Jayamanne, VS and Udayanganie, KKA (2010). Evaluation of grain quality attributes of rice grown with compost and different levels of chemical fertilizers. Proc. The International Symposium of the Faculty of Agriculture 2010. University of Ruhuna, Sri Lanka. 16thNovember 2010. Pp.135 – 139. (Full Paper).