FruVaSe Publications
Papers in peer reviewed journals
2019
Omayio DG, Abong’ GO, Okoth MW, Gachuiri CK, Mwang’ombe AW. Current Status of Guava (Psidium Guajava L ) Production , Utilization , Processing and Preservation in Kenya : A Review. Curr Agric Res J [Internet]. 2019;7(3). Available from: https://bit.ly/36ob1BZOwade, J.O., Abong, G.O., Okoth, M.W., and Mwang’ombe, A.W., (2019). A review of the contribution of cowpea leaves to food and nutrition security in East Africa. Food Sci Nutr. 2020; 8:36–47. https://doi.org/10.1002/fsn3.1337
2020
Noel Dimoso, Angela Aluko, Edna Makule and Neema Kassim (2020). Challenges and Opportunities towards Sustainable Consumption and Value Addition of Cashew Apples in Tanzania. Outlook on Agriculture, https://doi.org/10.1177/0030727020941164Noel Dimoso, Edna Makule, Neema Kassim (2020). Quality Assessment of Formulated Osmotically Dehydrated Cashew Apple (Anacardium occidentale L.) Slices Dried using Hot air and Solar Driers. International Journal of Biosciences, Vol. 17, No. 6, p. 421-432, https://innspub.net/ijb/quality-assessment-formulated-osmotically-dehydrated-cashew-apple-anacardium-occidentale-l-slices-dried-using-hot-air-solar-driers/
Nsubuga, D., Banadda, N., Kabenge, I., Wydra, K. 2020. Potential of jackfruit waste for biogas, briquettes and as a Carbondioxide sink - a review. Journal of Sustainable Development 13: 60-75 https://doi.org/10.5539/jsd.v13n4p60
Nsubuga D., Kabenge I., Banadda N., and Kerstin D. W. (2020). Potential of jackfruit waste as anaerobic digestion and slow pyrolysis feed stock. Journal of Biosystems Engineering, 46, 163-172. https://doi.org/10.1007/s42853-021-00096-9
Omayio, D., Abong’, G., Okoth, M., Gachuiri, C., & Mwang’ombe, A. (2020). Trends and Constraints in Guava (Psidium guajava L.) production, utilization, processing and preservation in Kenya. International Journal of Fruit Science. https://doi.org/10.1080/15538362.2020.1791304
Owade, J.O., Abong, G.O., Okoth, M.W., and Mwang’ombe, A.W., (2020). Trends and constraints in the production and utilization of cowpea leaves in the arid and semi-arid lands of Kenya. Open Agric. 5, 325–334. https://doi.org/10.1515/opag-2020-0038
2021
Chaoqun Chen, George O Abong, Sebastian Hartwig & Gudrun Keding (2021) Sustainable packaging materials for processed fruits and vegetables in East Africa: a case study of Nairobi, Kenya. Journal of Consumer Sciences, 49, 2021. https://www.ajol.info/index.php/jfecs/article/view/219125Katumbi, J.N., Imungi, J.K., Abong, G.O., Gachuiri, C.K., Agnes, W., Omayio, D.G., Owade, J.O., (2021). Harvesting, postharvest handling, hygiene knowledge and practices of guava fruit farmers: A comparative study of two counties of Kenya. African J. Food Sci. 15, 177–189. https://doi.org/10.5897/AJFS2021.2079
Ndoro L, Omami E, Chiveu J (2021) Assessment on Guava Diversity, Production and Utilization in Taita Taveta County, Kenya. African Journal of Education, Science and Technology 6 (4):154-163. https://ajest.info/index.php/ajest/article/view/725
Nansereko, S., Muyonga, J., & Byaruhanga, Y. B. (2021). Optimization of drying conditions for Jackfruit pulp using Refractance Window Drying technology. Food Science & Nutrition, 1–11. https://doi.org/10.1002/fsn3.2694
Nansereko, S., & Muyonga, J. H. (2021). Exploring the Potential of Jackfruit (Artocarpus heterophyllus Lam). Asian Food Science Journal, 20(9), 97–117. https://doi.org/10.9734/afsj/2021/v20i930346
Owade, J.O., Abong’, G.O., Okoth, M.W., Mwang’ombe, A.W., Jobor, J.O., (2021). Comparative profiling of lactic acid bacteria isolates in optimized and spontaneous fermentation of cowpea leaves. Food Sci. Nutr. 9, 1651–1664. https://doi.org/10.1002/fsn3.2140
Owade, J.O., Abong, G.O., Okoth, M.W., Mwang’ombe, A.W. (2021). Trends and constraints of utilization of preserved cowpea leaves among households in arid and semi arid lands in Kenya: a convergent mixed method study. CABI Agric. Biosci. 2, 1–11. https://doi.org/10.1186/s43170-021-00064-5
Frank Sangija, Haikael Martin, Athanasia Matemu (2021). African nightshades (Solanum nigrum complex): The potential contribution to human nutrition and livelihoods in sub-Saharan Africa. Comprehensive Reviews in Food Science and Food Safety, pages 1-35. https://doi.org/10.1111/1541-4337.12756
Sarfo J, Pawelzik E, Keding GB (2021) Dietary patterns as characterized by food processing levels and their association with the health outcomes of rural women in East Africa. Nutrients 13(8): 2866. https://doi.org/10.3390/nu13082866
Tepe J, Benali M and Lemken D (2021) Consumer demand for novel fruit and vegetable products with extended shelf lives in East Africa: a multinational multi-product analysis. Public Health Nutrition, Dec 10, 1-11. Online ahead of print. https://doi.org/10.1017/S136898002100478X
Wasswa, M.S, Fungo, R, Kaaya, A. N, Byarugaba, R and Muyonga J.H. 2021. Influence of sun drying and a combination of boiling and sun drying on the retention of nutrients and bioactive compounds in cowpea (Vigna unguiculata (L). Walp) leaves. African Journal of Biological Sciences, 3(3) (2021) 48-58. https://doi.org/10.33472/AFJBS.3.3.2021.48-58
Wasswa M., Fungo R., Kaaya A., and Muyonga J.H. Proximate composition and sensory characterisitics of refractance window dried cowpea composite porridges. African Journal of Food Agriculture Nutrition and Development. 2021; 21(10): 18965-18979. https://doi.org/10.18697/ajfand.105.21395
Sirui Xing, Gudrun B. Keding and Elke Pawelzik (2021) Effects of processing on nutrient composition in guava- and jackfruit-based snacks. African Journal of Food Science, 15(6):236-253, https://doi.org/10.5897/AJFS2021.2104
2022
Tepe J, Lemken D (2022) Improving the nutritional value of conventional food with underutilized leafy vegetables - Consumers' acceptance of combining porridge with cowpea leaf powder. African Journal of Food Science, 16(2), 45-57. https://doi.org/10.5897/AJFS2021.2153Omayio DG, Abong GO, Okoth MW, Gachuiri CK, Mwang’ombe AW. Effect of pulping methods on the physicochemical properties of the Kenyan red and white-fleshed guava pulp. JSFA Reports [Internet]; Available from: https://onlinelibrary.wiley.com/doi/full/10.1002/jsf2.35
Omayio D, Abong’ G, Okoth M, Gachuiri C, Mwangombe AW. Physicochemical and Processing Qualities of Guava varieties in Kenyan Guava. Int J Fruit Sci. 2022; https://doi.org/10.1080/15538362.2022.2039342
Conference contributions
2019
Miano A.W., Abong’ G.O., Njue L.G and Mwang’ombe M.W. Postharvest handling knowledge and hygiene practices of cowpea leaves In Kitui and Taita Taveta Counties, Kenya. An oral presentation at the Agro-Conference 2019, University of Nairobi, Kenya on the 22nd to 24th October, 2019.Omayio D.G., Abong’ G. O., Okoth M. W., Gachuiri C.K. and Mwang’ombe M.W (2019). Guava (Psidium guajava L.) Production,Utilization and Processing in Kenya. Presented on 24th October at the University of Nairobi AGRO2019 Conference and Exhibition.
Owade J.O., Abong’ G.O., Okoth M.W. and Mwang’ombe A.W. Contribution of preserved cowpea leaves to food security in Kitui and Taita Taveta Counties, Kenya. An oral presentation at the Agro-Conference 2019, University of Nairobi, Kenya on the 22nd to 24th October, 2019.
Owade J.O., Abong’ G.O., Okoth M.W. and Mwang’ombe A.W. Utilization of Traditional Processed and Preserved Cowpea Leaves in the Coastal Region of Kenya. A poster presentation at the Tropentag 2019 Conference at Kassel, Germany on the 18-20th September, 2019.
2020
Amina Ahmed, Gudrun B. Keding and Elke Pawelzik (2020) Analysis of Leafy Vegetables for Antioxidant Activity, Ascorbic Acid and Nitrate in Morogoro, Tanzania. Oral presentation at Tropentag, September 9-11, 2020, virtual conference.Amina Ahmed, Gudrun B. Keding and Elke Pawelzik (2020) Effect of Cooking Time on Quality Traits of Tanzanian Vegetable Sauces. Oral presentation at Tropentag, September 9-11, 2020, virtual conference.
Katumbi JN, Imungi JK, Abong GO, Gachuiri CK. Postharvest handling , hygiene knowledge and practices of guava fruit handlers in Kitui and Taita Taveta. Poster presentation on September 9 – 11, 2020 the at the Virtual Tropentag 2020 conference, Germany.
Marynurce Kazosi, Haikael Martin, and Athanasia Matemu (2020). Effect of Drying Methods on the Nutrients and Anti-nutrients Composition of African Nightshade. Power on Your Plate Summit, 25th – 28th Jan, 2021. Gran Melia Hotel, Arusha-Tanzania.
Owade J.O., Abong’ G.O., Okoth M.W. and Mwang’ombe A.W. Nutritional Characterization of Traditional Preserved Cowpea leaves Consumed in Coastal Drylands of Kenya. A poster presentation at the Tropentag Virtual Conference 2020, on the 9 - 11 September, 2020.
Owade J.O., Abong’ G.O., Okoth M.W. and Mwang’ombe A.W. Response Surface Methodology Models for Optimization of Fermentation of Cowpea leaves. A poster presentation at the Tropentag Virtual Conference 2020, on the 9 - 11 September, 2020
Omayio, D., Abong’, G., Okoth, M., Gachuiri, C., & Mwang’ombe, A. Processing of Neglected Crops for Promotion of Food and Nutrition Security: the Case of Natural Guava Fruits in Kenya. Poster presentation on September 9 – 11, 2020 the at the Virtual Tropentag 2020 conference, Germany.
Jacob Sarfo, Elke Pawelzik and Gudrun B. Keding (2020) Dietary Patterns and their Association with Overweight and Obesity among Rural Populations in East Africa. Oral presentation at Tropentag, September 9-11, 2020, virtual conference.
Sirui Xing, Gudrun B. Keding and Elke Pawelzik (2020) Developing and Testing Guava- and Jackfruit-nut-bars to Bridge Seasonal Food Gaps in East Africa. Poster presentation at Tropentag, September 9-11, 2020, virtual conference.
2021
Amina Ahmed, Gudrun B. Keding and Elke Pawelzik (2021) Effect of pH and cooking time on shelf life of African nightshade leafy-based sauces. Poster presentation at Power on Your Plate: All-Africa Summit on Diversifying Food Systems with African Traditional Vegetables to Increase Health, Nutrition and Wealth, 25-28 January 2021, Arusha, Tanzania.Amina Ahmed, Gudrun B. Keding and Elke Pawelzik (2021) Effect of Formulation on Physicochemical and Sensory Properties of African Nightshade Leafy Sauces. Oral presentation at Tropentag, September 15-17, 2021, hybrid conference.
Luisa Alves, Jacob Sarfo and Gudrun B. Keding (2021) Fruit and Vegetable Intake: Knowledge, Attitude and Practices among Rural School-aged Children in East Africa. Poster presentation at Tropentag, September 15-17, 2021, hybrid conference.
Ndoro L, Omami E, Chiveu J (2021) Guava Fruits Coated with Pre-Cooked Maize Meal have Longer Shelf Life. Oral presentation at the HAK conference held at Karatina University Kenya on 29 November – 3 December 2021
Noel Dimoso, Edna Makule and Neema Kassim (2021). Challenges and Opportunities Toward Sustainable Consumption and Value addition of Cashew Apples in Tanzania. Tropentag Virtual Conference 2021. University of Hohenheim, Germany, September 15-17, 2021 (Poster presentation).
Marynurce Kazosi, Frank Sangija, Haikael Martin, and Athanasia Matemu (2021). Effect of drying methods on the nutritional quality of African nightshade (Solanum sp.). Tropentag, Virtual Conference University of Hohenheim, Germany 15th – 17th September 2021 (Poster presentation)
Omayio, D., Abong’, G., Okoth, M., Gachuiri, C., & Mwang’ombe, A. (2021). Effect of different pulping methods on the physicochemical properties of the Kenyan red and white-fleshed guava pulp. Presented during the virtual 3rd All Africa Postharvest Congress and Exhibition hosted by the African Union. 13 - 16th September, Addis Ababa, Ethiopia.
Omayio, D., Abong’, G., Okoth, M., Gachuiri, C., & Mwang’ombe, A. (2021). Guava value addition. Presented during the Michigan State University (MSU) Professional Fellows Program (online). 2nd February 2021, Michigan USA.
Frank Sangija, Haikael Martin, and Athanasia Matemu (2021). Effect of lactic acid fermentation on nutritional and antinutritional compounds in African nightshade. Tropentag Virtual Conference 2021. University of Hohenheim, Germany, September 15-17, 2021 (Oral presentation).
Frank Sangija, Haikael Martin, and Athanasia Matemu (2021). Effect of lactic acid fermentation on nutritional and antinutritional compounds in African nightshade. 3rd All Africa Postharvest Virtual Conference, 13th – 17th September 2021 (Poster presentation)
Frank Sangija, Marynurce Kazosi, Haikael Martin, and Athanasia Matemu (2021). Trends and constraints in the utilization of African nightshade (Solanum nigrum complex) in Tanzania. Tropentag, Virtual Conference University of Hohenheim, Germany 15th – 17th September 2021
Frank Sangija, Marynurce Kazosi, Haikael Martin, and Athanasia Matemu (2021). Trends and constraints in the utilization of African nightshade (Solanum nigrum complex) in Tanzania: A case study of Kilimanjaro and Morogoro regions. 3rd All Africa Postharvest Conference, Virtual Conference 13th – 16th September 2021 (Poster presentation)
Frank Sangija, Marynurce Kazosi, Haikael Martin, and Athanasia Matemu (2021). Consumers’ sensory perception of fermented African nightshades in Tanzania. Tropentag, Virtual Conference University of Hohenheim, Germany 15th – 17th September 2021 (Poster presentation)
Jacob Sarfo, Elke Pawelzik and Gudrun B. Keding (2021) Processing and Consumption of Fruits and Vegetables: Knowledge, Attitude, and Practices of Rural Households in East Africa. Oral presentation at Tropentag, September 15-17, 2021, hybrid conference.
Tepe J, Byarugaba R, Dimoso N, Kazosi M, Kyamanywa S, Omayio D, Owade J, Sangija F, Lemken D Product, pricing and placement strategies for novel processed fruits and vegetables in East Africa, online presentation at IFAMA June 21-25, 2021
Tepe J, Lemken D Jackfruit-Nut-Bars - A promising product to enhance jackfruit utilization in Uganda? Poster presentation at Tropentag, September 15-17,2021, hybrid conference