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info@chuka.ac.ke | 020 231 0512/ 020 231 0518

Prof Jackin Njagi Nanua.Ph.D

Prof.Jackin Njagi Nanua PhD

Professor of Food Science and Technology

Faculty of Agriculture and Environmental Studies

Department of Plant Sciences

Biography

Teaching

Outputs

Research/PhD

MEMBERSHIP IN PROFESSIONAL ORGANIZATIONS
Kenya Nutritionists and Dieticians Institute
Member of the Institute of Food Technologists
Member of the American Dairy Science Association
Member of the Gamma Sigma Delta Honor Society of agriculture, Louisiana, USA
EXTRACURRICULAR / COMMUNITY ACTIVITIES
Chuka University Academic Staff Database © 2020 Page 14 of 460
2017 – Date: Member of the Certification Board and Examiner for KNDI
2009: Member of the Editorial Board, Namibia Development Journal
2008: Assisting staff at the Markerns Research Station on the use of food analysis instruments
2008: Chairman, Kenyan Community in Swaziland
2007: Member of the Editorial Board, UNISWA Research Journal of Agriculture, Science and Technology
2006: Training of trainers of rural women in dairy processing in rural areas for African Institute for Capacity
Development (AICAD)
2006: Carried out monitoring and evaluation for participants of the value addition course sponsored by
(AICAD) in Kenya
2005: Training of small scale farmers during the first ICT course on Value addition of foods sponsored by
AICAD
2004: Founding Chairman and Board member of Women Entrepreneur Training Network (WENET), a NonGovernmental Organisation for training small-scale women entrepreneurs in Kenya
2004 -2006: External Examiner, Department of Food Science and Technology, Jomo Kenyatta University of
Agriculture and technology
WORK EXPERIENCE
March 2020-Date: Professor, Food Science and Technology, Department of Plant Sciences, Chuka University
2015 – March, 2020: Professor and Chair, Department of Foods, Nutrition and Dietetics, Pwani University
2014 – 1015: Professor, Dept. of Hospitality and Tourism Management and Member of University Senate,
Pwani University
2013 – 2014: Professor, Food Science and Technology, School of Food Science, Post-harvest Technology and
Process Engineering, Haramaya University.
2009 – 2012: Associate Professor, Food Science and Technology. Department of Consumer Sciences,
University of Swaziland
2006 – 2009: Senior Lecturer, Home Department of Economics, University of Swaziland. Teaching food
Science and Technology courses and students research project supervision
2002 – 2006: Senior Lecturer, Egerton University; Teaching of postgraduate and undergraduate students
2004 –2005: Chairman of Dairy and Food Science & Technology Department and, Egerton University
2001 – 2003: (At varied times), Acting Chairman, Department of Dairy and Food Science & Technology
1989 – 2002: Lecturer, Egerton University, Njoro – Kenya; Developed and taught undergraduate and diploma
courses in food and dairy technology.
July – Dec. 2000: Postdoctoral Research Fellow, Department of Food Science and Human Nutrition, Clemson
University, USA. Conducted research, taught Food Chemistry to graduate & undergraduate students.
1999 –2000: Post-Doctoral Research Fellow, Louisiana Agricultural Experimental Station, Louisiana State
University Agricultural Center, Baton Rouge – USA. Teaching: Statistical process control and quality
assurance in the food industry to graduate and undergraduate students.
1986 – 1989: Assistant Lecturer, Egerton University College, Njoro – Kenya; Developed and taught
undergraduate and diploma courses in food and dairy technology
1981-1986: Lecturer, Egerton College, Njoro – Kenya; Developed and taught diploma courses in food and
dairy technology.
1979-1981: Lecturer/Agric. Officer, Embu Institute of Agriculture, Ministry of Agriculture – Kenya. Taught
chemistry and human nutrition to middle level agricultural extension staff. I also served as administrative
officer responsible for general administrative and personnel duties at the institute.
Jan-Sept 1976: High School teacher, Ikuu Girls Secondary School, Kenya; Taught mathematics, physics and
biology to high school students
EDUCATION
1999: Ph.D. Louisiana State University, USA. (Dairy products Technology)
1989: M.Sc. in Food Science (Dairy Option), University of Reading, UK
1979: B.Sc. in Food Science & Technology, University of Nairobi, Kenya
1975: EAACE, Alliance High School, Kenya
1973: EACE, Chuka High School, Kenya
1969: CPE, Rubate Primary School, Chuka, Kenya
2019: Master Trainer, Field-Schools Methodology. FAO/Pwani University.
2017: Certificate in Field-Schools Methodology. Ministry of Agriculture, Livestock and Fisheries, Kenya.
2013: Certificate in Pedagogical Skills Straining. Haramaya University, Federal Republic of Ethiopia
2000: Certified Trainer, Sanitation Control Procedures (SCP) for processing fish and fisheries products.
Seafood HACCP alliance in cooperation with The Association of Food and Drug Officials (USA)
1996: Certificate, International Food Technology Course, Hebrew University of Jerusalem – Rehovot, Israel.

March 2020-Date: Professor, Food Science and Technology, Department of Plant Sciences, Chuka University
2015 – March, 2020: Professor and Chair, Department of Foods, Nutrition and Dietetics, Pwani University
2014 – 1015: Professor, Dept. of Hospitality and Tourism Management and Member of University Senate, Pwani University
2013 – 2014: Professor, Food Science and Technology, School of Food Science, Post-harvest Technology and Process Engineering, Haramaya University.
2009 – 2012: Associate Professor, Food Science and Technology. Department of Consumer Sciences, University of Swaziland
2006 – 2009: Senior Lecturer, Home Department of Economics, University of Swaziland. Teaching food Science and Technology courses and students research project supervision
2002 – 2006: Senior Lecturer, Egerton University; Teaching of postgraduate and undergraduate students
2004 –2005: Chairman of Dairy and Food Science & Technology Department and, Egerton University
2001 – 2003: (At varied times), Acting Chairman, Department of Dairy and Food Science & Technology
1989 – 2002: Lecturer, Egerton University, Njoro – Kenya; Developed and taught undergraduate and diploma courses in food and dairy technology
. July – Dec. 2000: Postdoctoral Research Fellow, Department of Food Science and Human Nutrition, Clemson University, USA
. Conducted research, taught Food Chemistry to graduate & undergraduate students.
1999 –2000: Post-Doctoral Research Fellow, Louisiana Agricultural Experimental Station, Louisiana State University Agricultural Center, Baton Rouge – USA.
Teaching: Statistical process control and quality assurance in the food industry to graduate and undergraduate students
. 1986 – 1989: Assistant Lecturer, Egerton University College, Njoro – Kenya; Developed and taught undergraduate and diploma courses in food and dairy technology
1981-1986: Lecturer, Egerton College, Njoro – Kenya; Developed and taught diploma courses in food and dairy technology.
1979-1981: Lecturer/Agric. Officer, Embu Institute of Agriculture, Ministry of Agriculture – Kenya.
Taught chemistry and human nutrition to middle level agricultural extension staff.
I also served as administrative officer responsible for general administrative and personnel duties at the institute. Jan-Sept 1976: High School teacher, Ikuu Girls Secondary School, Kenya; Taught mathematics, physics and biology to high school students

RESEARCH PROJECTS AND GRANTS
2017 – 2020: Assessment of the effects of the Giriama food beliefs on physical growth of children below two
years in Kilifi County, Kenya. Funded by National Research Fund.
2015: Food Taboos of the Mijikenda Community and their Influence on the Nutritional Status of Under-FiveYear old Children. Funded by Pwani University
2004: Research grant on “Somatic cell counts and its impact on milk quality”, by: Egerton University
2003: Research grant on “The effect of cholesterol and rice bran on the development of arteriosclerosis in
rabbits”, by: National Council for Science and Technology – Kenya
PUBLICATIONS IN REFEREED JOURNALS
1. Mbogoh, P. M., Nanua, J. Attyang, G., Halimu, S. 2019. The nexus between traditional food beliefs and
nutrition status of children beow two years. A case of Giriama, Kilifi Kenya. African Journal of Health
Sciences Vol 32 (3). 74 – 93
2. Mbogoh, P. M., Nanua, J. Attyang, G., Halimu, S. 2018. The traditional food beliefs among the Giriama:
Fact or fable? Ruwaza Afrika Journal of ContemporaryResearch in Humanities and Social Sciences,
6:245-268.
3. Matofari J. W., Shalo, P. L., Younan, M., Nanua, J. N., Adongo, A., Qabale and Misiko, B. N. 2015.
Analysis of microbial quality and safety of camel (Camelus dromedarius) milk chain and implications in
Kenya. African Journal of Dairy Farming and Milk Production Vol. 2 (2), pp. 109 – 112. Available
online at www.internationalscholarsjournals.org
4. Muchiri MN, Nanua JN, Liti D, 2015. A comparative study on growth, composition and sensory quality
between farmed and wild Nile tilapia (Oreochromis niloticus). Net J Agric Sci, 3(2): 56-61.
5. Matofari, J.W., Shalo, P.L., Younan, M., Nanua, J.N., Adongo, A., Qabale, Misiko, B.N 2013. Analysis
of microbial of quality and safety of camel (Camelus dromedarius) milk chain and implications in Kenya.
Journal of Agricultural Extension and Rural Development Vol.5 (3), 50-54.
6. K.O. Njagi, C. Isbel, W.L. Havice and J.N. Nanua 2010. Predictors of students’ attitude towards
computer technology. UNISWA Research Journal of Agriculture, Science and Technology, 13(1):50-60.
7. Nanua, J. N. 2010. Food processing industry in Swaziland. In: Tevera, D.S. and Matondo, J.I. (eds)
(2010) Socio-economic development and the environment in Swaziland. Department of Geography,
Environmental Science and Planning, University of Swaziland, Kwaluseni. Pp. 371.
8. Muchiri, Mary; Nanua, Jackin and Liti, David 2009. Aquaculture as a strategy for enhancing food and
nutrition security potential. Maarifa Vol. 3 (2) 89 – 95.
9. Kamau J.M. and Nanua J.N. 2008. Storage stability of ram press extracted semi-refined sunflower oil.
Agricultura Tropica et Subtropica Vol. 41 (3) 106 – 109
10. J. N. Nanua, D.M. Njoroge, A. C. Kibor and E. N. Njoka 2007. Effects of rice bran oil, oxidised and
fresh egg yolk powder on the development of arteriosclerosis in growing rabbits (oryctolagus cuniculus).
UNISWA Research Journal of Agriculture, Science and Technology Vol 10 (2): 71 – 79.
11. Omwamba, M., Nanua J. N. and Shalo, P. L. 2007 Utilization of orange-fleshed sweet potato flour in
development of a suitable flour blend for complementary infant feeding. Egerton Journal, Science and
Technology Series Vol. 7 (1): 1 – 13.
12. Ogollah, H. J. O.; Nanua, J. N. and Shitandi, A. A. 2007. Effects of somatic cell count on quarter milk
composition in smallholder dairy herds in Kenya. Egerton Journal, Science and Technology Series
7(1):14 – 25.
13. Matofari, J. W., Shitandi, A., Shalo, P. L., Nanua, N. J. and Younan, M. 2007. A survey of Salmonella
enterica contamination of camel milk in Kenya. African Journal of Microbiology Research 1(4):46–50
14. Ogola H, Shitandi A, Nanua J. 2007. Effect of mastitis on raw milk compositional quality. Journal of
Veterinary Science 8 (3): 237-242
15. Matofari J.W., Younan, M., Nanua, J. N., Mwatha, E.W. and Okemo, P.O. 2005. Microorganisms
associated with sub-clinical mastitis and their impact on milk production in camels (Camelus
dromedaries) in semi-arid lands of Northern Kenya. International J. of Agric. and Rural Dev. 6:182 – 187.
16. Nanua, J. N. and Njoka-Njiru, E. N. 2004. Microbiological, physico-chemical and sensory quality of
yoghurt sold in retail outlets within Nakuru Municipality, Kenya. Egerton Journal Volume 5(1):162–174.
17. Onjoro, P. A., Njoka-Njiru, E. N., Ottaro, J. M. and Nanua, J. N. 2004. Effects of minerals in the forage,
blood and milk on milk production of lactating free-ranging camels (Camelus dromedarius) in Northern
Kenya. Egerton Journal Volume 5 (1): 226 – 245.
Chuka University Academic Staff Database © 2020 Page 13 of 460
18. Matofari, J. W., Younan, M., Nanua, J. N. Mwatha, E.W. and Okemo, P.O. 2005. Effects of subclinical
mastitis on the milk production Potential of camels (Camelus dromedarius) in semi-arid lands of Northern
Kenya: A case study of Olmaisor Ranch., in: Njoka E.M., Kinyua, M. and Mwangi, R.W. 2005. Greening
the Brown: Progress and Prospects of Dry Land Farming in East Africa. Egerton University Press, Njoro.
Pp. 109 – 117.
19. Nanua, J. N., Osorio F. L., McGregor, J.U. and Traylor, S. 2002. Influence of free fatty acids,
monoglycerides and glycerol on the frothing properties of milk. Agricultura Tropica et Subtropica Vol.
35. 157-163.
20. Muriu, J. I., Njoka-Njiru, E. N., Tuitoek, J. K. and Nanua, J. N. 2002. The effect of substituting maize
with varying levels of high tannin sorghum in the diet on feed intake, digestibility, average daily gain and
feed conversion efficiency of growing rabbits. Agricultura Tropica et Subtropica Vol. 35. 149-155.
21. Nanua, J.N., McGregor, J.U. and Grace, S.C. 2002. Effects of high oryzanol rice bran oil on free radical
formation and oxidation of whole milk powder. International J. Agric. and Rural Dev. 3:150-155
22. Muriu, J. M.; Njoka-Njiru, E. N.; Tuitoek, J. K. and Nanua, J. N. 2002. Evaluation of Sorghum (Sorghum
bicolour) as replacement for maize in the diet of growing rabbits (Oryctolagus cuniculus). Asian-Aust. J.
Anim Sci. Vol 15 (4) 565 – 569.
23. Nanua, J. N.; L. F. Osorio and McGregor, J. U. 2001. Influence of fatty acids and glycerol on the
foaming properties of milk used for the manufacture of cappuccinos. IFT Annual Meeting Technical
Program Abstracts.
24. Nanua, J. N.; McGregor, J. U. and J. Samuel Godber 2000. Influence of high-oryzanol rice bran oil on
oxidative stability of whole milk powder. J. Dairy Sci. 83: 2426 – 2431
25. Nanua, J. N. and McGregor, J. U. 2000. Safety and Soft Ripened, French-Style Cheeses. Louisiana
Agriculture, Vol. 43 (2): 14-16.
26. Nanua, J. N. and McGregor, J. U. 2000. The potential of high oryzanol rice bran oil as an antioxidant in
whole milk powder. IFT Annual Meeting Technical Program Abstracts: 176.
27. Nanua, J. N. and McGregor, J. U. 1998. Microbiological quality of surface mold-ripened cheeses J. Dairy
Sci. Vol.81 S1: 11

POSTGRADUATE SUPERVISION
1. An Assessment of the Effect of Giriama Traditional Food Beliefs on Physical Growth of Children Below Two Years in Kilifi County
2. Prevalence of Diabetes milletus, hypertension and nutrition status of workers. A case study of Pwani University workers.
3Hygienic aspects of Camel (Camelus dromedarius) milk production systems in Kenya
4. Sub-clinical mastitis, somatic cell count and quarter milk composition in Kenyan smallholder dairy herds” Egerton University – Kenya
5. Effect of oxidized and fresh egg yolk powder on the development of arteriosclerosis in rabbits” Egerton University – Kenya
6. Quality Aspects of Sun Dried Tilapia Species Sold around Lake Victoria, Kenya” Egerton University – Kenya
7. A comparative study of the growth and nutrition value between farmed and wild nile tilapia (Oreochromis niloticus)” Egerton University – Kenya
8. The Utilization of Orange Fleshed Sweet Potato Flour in the Development of a Weaning Food” Egerton University – Kenya

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