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 RESEARCH PUBLICATIONS AND PRESENTATIONS

1.                                               1.         Afoakwa, E. O. (1996). Storage Characteristics and Quality Evaluation of Cowpea-fortified Traditional Foods. B.Sc (Hons) Dissertation presented to the Department of Nutrition & Food Science, University of Ghana, Legon.

 

2.   Afoakwa, E. O. (1999). Biochemical and Quality  changes in   Dioscorea dumetorum Tubers after harvest. M.Phil Thesis Presented to the Department of Nutrition and Food Science, University of Ghana, Legon.

 

3.         Afoakwa, E. O. and Sefa-Dedeh, S. (2001). Influence of

fermentation and cowpea steaming on some quality characteristics of maize-

cowpea blends. African Journal of Science and Technology, 2 (2): 63-72.

            .

4.  Afoakwa, E. O. and Sefa-Dedeh, S. (2001). Chemical  Composition 

              and  Quality Changes associated with trifoliate yam Dioscorea

              dumetorum tubers after harvest. Food Chemistry 75 (2001) 85-91.

 

4.         Afoakwa, E. O. and Sefa-Dedeh, S. (2002). Changes in Cell Wall Constituents and Mechanical  properties during post-harvest hardening of Dioscorea dumetorum tubers. Food Research International 35 (2002). pp. 429-434.

 

5.         Afoakwa, E. O. and  Sefa-Dedeh,  S.  (2002). Textural and  Microstructural  Changes Associated with Post-harvest Hardening of Dioscorea dumetorum Tubers. Food Chemistry  77 (2002). pp. 1-6.

 

6.         Afoakwa, E. O. and Sefa-Dedeh, S. (2002). Changes in Rheological Properties and Amylase Activities occurring in trifoliate yam Dioscorea dumetorum starch after harvest. Food Chemistry  77 (2002). pp. 285-291.

 

7.         Afoakwa, E. O.  and  Sefa-Dedeh, S. (2002). Viscoelastic Properties and Changes in Pasting Characteristics of Trifoliate Yam Dioscorea dumetorum Starch after Harvest. Food Chemistry.77 (2002). pp. 203-208.

 

8.         Sefa-Dedeh, S. and Afoakwa, E. O. (2002). Biochemical and Textural Changes in trifoliate yam Dioscorea dumetorum tubers after harvest. Food Chemistry.79 (2002). pp. 27-40.

 

9.         Afoakwa, E. O., Sefa-Dedeh, S., and Cornelius, B. (2002). Optimization of the Nutritional Quality Characteristics of Cowpea-fortified Nixtamalized Maize using Computer-generated Response Surface Models. The South African Journal of Clinical Nutrition 15 (2). pp. S 17.

 

 

10.       Afoakwa, E. O. and  Sefa-Dedeh, S. (2002). Biochemical, textural and microstructural changes associated with the post-harvest hardening of trifoliate yam Dioscorea dumetorum tubers. Journal of the Ghana Science Association. 4 (1) pp. 20-26.

 

11.       Sefa-Dedeh, S., Cornelius, B.  &  Afoakwa, E. O. (2003). Effect of Fermentation on the Quality Characteristics of Nixtamalized Corn. Food Research International 36 (2003). pp. 57-64.

 

12.       Sefa-Dedeh, S., Cornelius, B.  & Sakyi-Dawson, E., Afoakwa, E. O. (2003). Application of Response Surface Methodology to Study the Quality Characteristics of Cowpea-fortified Nixtamalized Maize. Innovative Food Science and Emerging Technologies 4 (2003). pp. 109-119.

 

13.       Sefa-Dedeh, S., Cornelius, B., W. Amoa-Awua and Sakyi-Dawson. E. O., Afoakwa, E. O. (2004). The Microflora of Fermented Nixtamalized Corn. International Journal of Food Microbiology 96 (1), pp. 97-102.

 

14.       Sefa-Dedeh, S., Cornelius, B.  & Sakyi-Dawson, E.,  Afoakwa, E. O. (2004). Effect of Nixtamalization on the Chemical and Functional Properties of Maize. Food Chemistry. 86 (2004). pp. 317-324.

 

15.       Afoakwa, E. O., Sefa-Dedeh, S., and Sakyi-Dawson and (2004). Effects of cowpea fortification, dehydration method and storage time on some quality characteristics of maize-based traditional weaning foods. African Journal of Food, Agriculture, Nutrition and Development 4 (1).

 

16.       Asare, E. K., Sefa-Dedeh, S., Sakyi-Dawson, E. O. & Afoakwa, E. O. (2004). Application of Response Surface Methodology for Studying the Product Characteristics of Extruded Rice-cowpea-groundnut Blends. International Journal of Food Science and Technology, 55 (5) 431-439.

 

17.       Afoakwa, E. O., Yenyi, S. E. & Sakyi-Dawson, E. (2005). Response surface methodology for optimizing the pre-processing conditions during canning of a newly developed and promising cowpea (Vigna unguiculata) variety. Journal of Food Engineering, 73 (4) pp. 346-357.

 

18.       Afoakwa, E. O., & Aidoo P. R. (2006). Effect of Solid State Fermentation on the Physico-Chemical, Functional and Textural Properties of Nixtamalized Maize. International Journal of Food Engineering: Vol. 2: No. 1, Article 1.
http://www.bepress.com/ijfe/vol2/iss1/art1

 

19.       Sefa-Dedeh, S., Asare S., Sakyi-Dawson and Afoakwa, E. O. (2004). Effects of fermentation and cowpea fortification on the quality characteristics of maize-based nixtamalized foods. African Journal of Food, Agriculture, Nutrition and Development (Accepted, In Press).

 

20.       Afoakwa E. O. &  Yenyi  S. E. (2004). Application of response surface methodology for studying the influence of soaking, blanching and sodium hexametaphosphate [(NaPO3)6] salt concentration on some biochemical and physical characteristics of cowpeas (Vigna unguiculata) during canning. Journal of Food Engineering. (Accepted, In Press). 

 

21.       Afoakwa, E. O., Sefa-Dedeh, S., & Kluvitse, Y. M..    (2004). Comparison of starch pasting properties in the Brookfield Viscometer and Brabender Viscoamylograph using  response surface models. Journal of Food Engineering. (Under Reveiw).

 

22.       Afoakwa, E. O., Sefa-Dedeh, S., Kluvitse, Y. M.. Sakyi-Dawson, E., Asomaning, J. & Kana Sop, M. M. (2004). Effect of germinated cereal malts on the viscoelastic properties and pasting characteristics of fermented maize. Food Chemistry. (Under Reveiw).

 

23.       Afoakwa, E. O., Sefa-Dedeh, S. and Sakyi-Dawson, E. (2004). Chemical composition and functional properties of promising Cowpea Varieties and their Performance in a Fermented Food Product. Journal of Food Composition and Analysis (Under Reveiw).

 

24.       Afoakwa, E. O., & Merson, B. A. (2005). Application of response surface methodology for optimizing the pre-processing conditions of bambara groundnuts (Voandzei subterranea) during canning. International Journal of Food Engineering (In Press).

 

25.       Asare, E. K., Sefa-Dedeh, S., Sakyi-Dawson and Afoakwa, E. O. (2004). Extrusion of sorghum and sorghum-cowpea-peanut mixtures: Process and Product Characteristics. International Journal of Food Science and Technology (Accepted, In Press).

 

26.       Afoakwa E. O. & Merson, B.A. (2005). Modelling techniques for studying the effects of soaking, blanching and sodium hexametaphosphate [(NaPO3)6] salt concentration on some biochemical and physical characteristics of bambara groundnuts (Voandzei subtarranea) during canning using response surface methodology. International Journal of Food Science and Technology. (In Press).

 

27.       Afoakwa, E. O. & Aidoo, R. P. (2005). Changes in souring development, nutritional and functional properties during fermentation of cowpea-fortified nixtamalized maize. International Journal of Food Engineering. (In Press).

 

28.       Afoakwa, E. O., Kongor, J. E. & Annor, G. A. (2005). Souring development and starch behaviour during co-fermentation of cassava and soybean into gari, an African fermented product. International Journal of Food Science and Technology. (In Press).

 

 

 

PAPERS PRESENTED AT INTERNATIONAL CONFERENCES & WORKSHOPS

 

1.         Sefa-Dedeh, S., Sakyi-Dawson, E. and Afoakwa, E. O. (2001). Comparative Evaluation of Cowpea Varieties and their Performance in a Fermented Food Product. IFT Book of Abstracts 44D-13 and Paper Presented at the Annual Meeting of the Institute of Food  Technologists, New Orleans, LA, USA June 23-27, 2001.   

 

2.         Sefa-Dedeh, S. and Afoakwa, E. O. (2001). Biochemical and Textural Changes in

            trifoliate yam Dioscorea dumetorum tubers after harvest.  IFT Book of Abstracts 44D-15  and Paper Presented at the Annual Meeting of the Institute of Food Technologists, New Orleans, LA, USA June 23-27, 2001.

 

3.         Sefa-Dedeh, S., Sakyi-Dawson, E., Afoakwa, E. O.  and Andoh-Kumi, K. (2001). Effects  of Drying Method, Packaging and Storage on the Quality of Cowpea-Based Weaning Foods.  IFT Book of Abstracts 88E-22 and Paper Presented at the Annual Meeting of the Institute of Food Technologists, New Orleans, LA, USA. June 23-27 2001.

 

4.         Afoakwa, E. O., Sefa-Dedeh, S. & Cornelius, B. (2001). Application of Response Surface Methodology for Optimizing the Quality Characteristics of Cowpea-fortified Nixtamalized Maize. Book of Abstracts.  International Conference of Agricultural Sciences and Technology, Beijing, China, 13 – 15 November, 2001.

 

5.         Sefa-Dedeh, S., Kluvitse, Y. M., and Afoakwa, E. O.  (2001). Effect of fermentation and cowpea fortification on the chemical and functional properties of cereal-based weaning foods. Book of Abstracts 1.10. European Conference on Advanced Technology for Safe and High Quality Foods. Berlin, Germany. December 5-7, 2001.

 

6.         Sefa-Dedeh, S., Frimpong, K. and Afoakwa, E. O. (2001). Response Surface Methodology for Optimizing Process Development of Cowpea-fortified traditional foods. Book of Abstracts 1.11. European Conference on Advanced Technology for Safe and High Quality Foods. Berlin, Germany. December 5-7, 2001.

 

7.         Sefa-Dedeh, S., Cornelius, B. and Afoakwa, E. O. (2001). Influence of fermentation on product characteristics of nixtamalized corn. Book of Abstracts 1.12. European Conference on Advanced Technology for Safe and High Quality Foods. Berlin, Germany. December 5-7, 2001.

 

  8.         Sefa-Dedeh, S. and  Afoakwa, E. O. (2002). The relationship between starch microstructure, cell wall constituents and texture during post-harvest hardening of trifoliate yam Dioscorea dumetorum tubers. Paper presented at the Annual Meeting of the Institute of Food Technologists, Anaheim, California, USA. June 15-19, 2002.

 

9.         Sefa-Dedeh, S., Asare S., Sakyi-Dawson and Afoakwa, E. O. (2002). Effects of fermentation and cowpea fortification on the quality characteristics of maize-based nixtamalized foods. Paper presented at the Annual Meeting of the Institute of Food Technologists, Anaheim, California, USA. June 15-19, 2002.

 

10.       Sakyi-Dawson, E. O., Sefa-Dedeh, S., Aduamoah, O. and Afoakwa, E. O. (2002). Effect of cowpea fortification on the quality characteristics of plantain-based Ghanaian traditional foods. Paper presented at the Annual Meeting of the Institute of Food Technologists, Anaheim, California, USA. June 15-19, 2002. 

 

11.       Afoakwa, E. O., Sefa-Dedeh, S., and Cornelius, B. (2002). Optimization of the Nutritional Quality Characteristics of Cowpea-fortified Nixtamalized Maize using Computer-generated Response Surface Models. Paper presented at the First Pan-African Conference (ITANA 2002) on IT in the Advancement of Nutrition in Africa. Nairobi, Kenya. July 21-24, 2002.

 

12.       Afoakwa, E. O. (2002). HIV/AIDS and Agriculture in Africa: The Woman’s Role In Agricultural Policy Formulation and Implementation. Paper presented at the 8th Inter-disciplinary Congress on Women (Womens World 2002 Congress). Kampala, Uganda, July 22-26 2002.  

 

 

13.       Afoakwa, E. O., Sefa-Dedeh, S., Cornelius, B. & Sakyi-Dawson, E. O. (2003). Effect of Fermentation on the Physico-chemical and Functional Properties of Nixtamalized Maize. Paper Presented at the International Working Meeting of Foods In Africa (Food Africa 2003). Yaounde International Conference Centre, Yaounde, Cameroon, May 5 – 9, 2003.

 

14.       Afoakwa, E. O., Sefa-Dedeh, S., Cornelius, B., Amoa-Awua & Sakyi-Dawson, E. O. (2003). The Microflora of Fermented Nixtamalized Maize. Paper Presented at the International Working Meeting of Foods In Africa (Food Africa 2003). Yaounde International Conference Centre, Yaounde, Cameroon, May 5 – 9, 2003

 

15.       Afoakwa, E. O., Sefa-Dedeh, S., & Egyir-Sackey, E. (2003). Chemical Composition and Effect of Processing on Oxalate Content of Taro Corms. Paper Presented at The The Third Taro Symposium on Research and Developments on Taro and other Related Crops, Tanoa International Conference Centre, Nadi, Fiji Islands, May 21- 23, 2003.

 

16.       Afoakwa, E. O., Sefa-Dedeh, S., & Egyir-Sackey, E. (2003). Starch Structure and Rheological Properties of Taro (Xanthosama sagittifolium and Colocassia esculenta) Corms. Paper Presented at The The Third Taro Symposium on Research and Developments on Taro and other Related Crops, Tanoa International Conference Centre, Nadi, Fiji Islands, May 21- 23, 2003.

 

17.       Afoakwa, E. O. (2003). My Ways of Promoting A Culture of Peace for Well-being. Paper Presented at UNESCO Pre-Conference on The Ways of Promoting A Culture of Peace, Pallervo Institute, Revontulentie 9, Espoo-Tapiola, Helsinki, Finland, June 12-14, 2003.

 

18.       Afoakwa, E. O. (2003). Nutrition, Health and Economic Development; Policy Priorities and Intercultural Education for Achievable Social Justice and Human Rights. Paper Presented at the UNESCO Conference on Teaching and Learning for Intercultural Education (UNESCO 2003), Jyvaskyla, Finland, June 15 - 18, 2003.

 

19.       Afoakwa, E. O. & Adjei, R. M. (2003). Nutritional Care and Support for People Living with HIV/AIDS in Sub-Saharan Africa. Paper Presented at the 24th African Health Sciences Congress on Challenges and Strategies in Combating Health Problems in Africa, Towards Development Efforts, African Union Confeence Centre, Addis Ababa, Ethiopia, September 28 – October 2, 2003.

 

20.       Osei-Akoto, E., Afoakwa, E. O. & Owusu, W. B. (2003). HIV/AIDS and Food/Nutrition Security in Africa: The Way Forward. Paper Presented at the 24th African Health Sciences Congress on Challenges and Strategies in Combating Health Problems in Africa, Towards Development Efforts, African Union Confeence Centre, Addis Ababa, Ethiopia, September 28 – October 2, 2003.

 

 

21.       Afoakwa, E. O., Sefa-Dedeh, S., Cornelius, B. & Sakyi-Dawson, E. O. (2003). Effect of Nixtamalization on the Chemical and Functional Properties of Maize. Paper Presented at the Second International Workshop on Food-based Approaches for Healthy Nutrition in West Africa: The Role of Food Technologists and Nutritionists, Ouagadougou, Burkina Faso, 23-28 November, 2003.

 

22.       Afoakwa, E. O., Sefa-Dedeh, S., Kluvitse, Y. & Sakyi-Dawson, E. O. (2003). The Influence of Fermentation and Cowpea Fortification on the Quality Characteristics of Maize-based Weaning Foods. Paper Presented at the Second International Workshop on Food-based Approaches for Healthy Nutrition in West Africa: The Role of Food Technologists and Nutritionists, Ouagadougou, Burkina Faso, 23-28 November, 2003.

 

23.       Annor, G. A., Afoakwa, E. O., Sefa-Dedeh, S., & Sakyi-Dawson, E. O. (2003). Influence of Cowpea Addition and Dehydration Technique on the Nutritive Value and Rheological Properties of Maize-based Traditional Foods. Paper Presented at the Second International Workshop on Food-based Approaches for Healthy Nutrition in West Africa: The Role of Food Technologists and Nutritionists, Ouagadougou, Burkina Faso, 23-28 November, 2003.

 

24.       Sefa-Dedeh, S., Sakyi-Dawson & Afoakwa, E. O. (2004). Functional and physico-chemical characteristics of different cowpea varieties and their performance in a Ghanaian traditional food. Paper presented at the Annual Meeting of the Institute of Food Technologists, Las Vegas, Nevada, USA. July 13-16, 2004.

 

25.       Afoakwa, E.O., Sefa-Dedeh, S., Cornelius, B. & Sakyi-Dawson, E.O. (2004). Influence of solid-state fermentation on some nutritional, physicochemical and functional properties of nixtamalized maize. Book of Abstracts Number T3P-5. Abstract Published at the Conference on Food Safety Under Extreme Conditions, Jaen, Spain, September 5-8, 2004.

 

26.       Afoakwa, E.O., Sefa-Dedeh, S., Cornelius, B. & Sakyi-Dawson, E.O. (2004). Response surface methodology for studying the effects of fermentation, cowpea fortification and nixtamalization on the quality characteristics of maize. Book of Abstracts Number T3P-6. Abstract Published at the Conference on Food Safety Under Extreme Conditions, Jaen, Spain, September 5-8, 2004.

 

27.       Kana Sop, M.M., Afoakwa, E.O., Tetanye, E., Tchoumbougnang, F. & Amvam Zollo, P.H. (2004). In vitro” iron bioavailability of complementary fermented maize gruels and meals from Cameroon. Book of Abstracts Number T3P-6. Abstract Published at the Conference on Food Safety Under Extreme Conditions, Jaen, Spain, September 5-8, 2004.

 

28.       Asare, E.K., Sefa-Dedeh, S., Afoakwa, E.O., Kluvitse, Y. & Sakyi-Dawson, E. (2004). Lactic acid fermentation and its influence on the quality characteristics of cowpea-fortified weaning foods. Book of Abstracts Number T3P-4. Abstract Published at the Conference on Food Safety Under Extreme Conditions, Jaen, Spain, September 5-8, 2004.

29.       Annor, G.A., Sakyi-Dawson, E. & Afoakwa, E.O. (2004). Mycotoxin contamination in fermented foods: The present situation in West Africa. Book of Abstracts Number T1P-13. Abstract Published at the Conference on Food Safety Under Extreme Conditions, Jaen, Spain, September 5-8, 2004.

 

30.       Sakyi-Dawson, E.O., Aduamoah, O, Sefa-Dedeh, S.K., Afoakwa, E.O. & Annor, G.A. (2005). Influence of cowpea addition on the nutritional, functional and rheological properties of unripe plantain flour. Paper presented at the 1st International Edible Legume Conference and 4th World Cowpea Congress. Durban, South Africa, April 17 – 21, 2005.

 

31.       Sakyi-Dawson, E.O., Etse, A. N., Sefa-Dedeh, S.K., Afoakwa, E.O. & Annor, G.A. (2005).Effects of cowpea fortification and the level of ripeness of plantain on the nutritive value of plantain based snack foods in Ghana. Paper presented at the 1st International Edible Legume Conference and 4th World Cowpea Congress. Durban, South Africa, April 17 – 21, 2005.

 

32.       Afoakwa, E. O. (2005). Application of pedagogy-based information and communication technonogy (ICT) in nutrition training at the University of Ghana. Paper presented at the Second Pan- African Conference on IT in the Advancerment of Nutrition in Africa (ITANA 2005), Cape Town, South Africa, September 18 – 21, 2005.

 

33.       Afoakwa, E. O. and Asomaning, J. (2005). Influence of the addition of cereal malts and cowpea (Vigna unguiculata) on the nutritional, functional and physico-chemical properties of fermented traditional weaning foods. Paper presented at the Second Pan- African Conference on IT in the Advancerment of Nutrition in Africa (ITANA 2005), Cape Town, South Africa, September 18 – 21, 2005.

 

34.       Afoakwa, E. O., Edem, K. J. and Annor, G. A. (2005). Souring and starch behaviour during co-fermentation of cassava and soybean into gari, an African fermented product. Paper presented at the Second Pan- African Conference on IT in the Advancerment of Nutrition in Africa (ITANA 2005), Cape Town, South Africa, September 18 – 21, 2005.

 

35.       Battuta, S. B. and Afoakwa, E. O. (2005). Chemical composition and changes in the physico-chemical and rheological properties during fermentation of tiger nut (Cyperus esculentus) milk – cow’s milk yoghurt. Paper presented at the Second Pan- African Conference on IT in the Advancerment of Nutrition in Africa (ITANA 2005), Cape Town, South Africa, September 18 – 21, 2005.

 

36.       Afoakwa, E. O., Edem, K. J., Annor, G. A. and Ashong, J. (2005). Functional properties and sensory characteristics of soy-fortifed gari. Paper presented at the Second Pan- African Conference on IT in the Advancerment of Nutrition in Africa (ITANA 2005), Cape Town, South Africa, September 18 – 21, 2005.

 

 

BOOKS CO-AUTHORED 

 

1.         Afoakwa, E. O. (2005). HIV/AIDS and Agriculture in Africa: The Woman’s Role in Agricultural Policy Formulation and Implementation. In: Gender in Agriculture and Technology, Chapter 7. N. Tarzarn (Ed). Gendered Worlds Series, Makerere University Printery, Kampara, Uganda. pp. 88-96.

 

 

2.         Afoakwa, E. O. (2004). Peace – Well Being for All. In: Cultures of Peace: From Words to Deeds. Part III A. J. Lasonen (Ed.). Institute for Educational Research, University of Jyvaskyla, Juvaskyla, Finland. pp. 65 – 77.

 

Contact me if you need any information regarding any of my publications or presentations. Thank you.