picture 1
icon-fellowship
OWSD Programmes

January 2013 PhD Fellow

Degrees:

2017
Doctorate     Agricultural Sciences
Food packaging, post harvest technology
2011
Master     Engineering sciences

Publications resulting from Research
Belay, Z. A., Nyamende, N. E., & Caleb, O. J. (2022). Impact of cold plasma-mediated treatment on coated and packaged ‘Monterey’ strawberries during cold storage. South African Journal of Plant and Soil, 1-6.

Nyamende, N. E., Hoff, J. W., van Brede, V., Belay, Z. A., Oyenihi, A. B., & Caleb, O. J. (2022). Isolation and characterization culturable microbes on the surface of ‘Granny Smith’ apples treated with electrolyzed water during cold storage. Food Science and Biotechnology, 31(12), 1603-1614.

Nyamende, N. E., Sigge, G. O., Belay, Z. A., Mphahlele, R. R., Oyenihi, A. B., Mditshwa, A., ... & Caleb, O. J. (2022). Advances in non-thermal technologies for whole and minimally processed apple fruit–A review. Food Bioscience, 102170.

Belay, Z. A., & Caleb, O. J. (2022). Role of integrated omics in unravelling fruit stress and defense responses during postharvest: A review. Food Chemistry: Molecular Sciences, 100118.

Kgang, I. E., Mathabe, P. M., Klein, A., Kalombo, L., Belay, Z. A., & Caleb, O. J. Effects of lemon (Citrus limon L.), lemongrass (Cymbopogon citratus) and peppermint (Mentha piperita L.) essential oils against of Botrytis cinerea and Penicillium expansum. JSFA Reports.

Oyenihi, A. B., Belay, Z. A., Mditshwa, A., & Caleb, O. J. (2022). “An apple a day keeps the doctor away”: The potentials of apple bioactive constituents for chronic disease prevention. Journal of Food Science.

Yanclo, L. A., Sigge, G., Belay, Z. A., October, F., & Caleb, O. J. (2022). Microstructural, biochemical and drying characteristics of dehydrated ‘Sunectwentyone’ nectarines as affected by sodium metabisulphite. Food Science and Biotechnology, 31(3), 311-322.

Mabusela, B. P., Belay, Z. A., Godongwana, B., Pathak, N., Mahajan, P. V., & Caleb, O. J. (2021). Advances in Vacuum Ultraviolet Photolysis in the Postharvest Management of Fruit and Vegetables Along the Value Chains: a Review. Food and Bioprocess Technology, 1-19.

Mabusela, B. P., Belay, Z. A., Godongwana, B., Pathak, N., Mahajan, P. V., Mathabe, P. M., & Caleb, O. J. (2021). Trends in ethylene management strategies: towards mitigating postharvest losses along the South African value chain of fresh produce–a review. South African Journal of Plant and Soil, 1-14.

Nyamende, N. E., Belay, Z. A., Keyser, Z., Oyenihi, A. B., & Caleb, O. J. (2022). Impacts of alkaline‐electrolyzed water treatment on physicochemical, phytochemical, antioxidant properties and natural microbial load on ‘Granny Smith’ apples during storage. International Journal of Food Science & Technology, 57(1), 447-456.

Belay, Z. A., Botes, W. J., & Caleb, O. J. (2021). Effects of alkaline electrolyzed water pretreatment on the physicochemical quality attributes of fresh nectarine during storage. Journal of Food Processing and Preservation, 45(10), e15879.

Matrose AN, Obikeze K, Belay, Z. A., Caleb, O. J. Plant extracts and other natural compounds as alternatives for post-harvest management of fruit fungal pathogens: A review. Food Bioscience, 41, 100840.

Nsumpi, A. N., Belay, Z. A., & Caleb, O. J. (2020). Good intentions, bad outcomes: Impact of mixed-fruit loading on banana fruit protein expression, physiological responses and quality. Food Packaging and Shelf Life, 26, 100594.

Belay, Z. A., Caleb, O. J., Vorster, A., van Heerden, C., & Opara, U. L. (2020). Transcriptomic changes associated with husk scald incidence on pomegranate fruit peel during cold storage. Food Research International, 109285.

Mathabe, P.M.K., Belay, Z.A., Ndlovu, T., & Caleb, O.J. (2020). Progress in proteomic profiling of horticultural commodities during postharvest handling and storage: A Review – Scientia Horticulturae. 261, 108996.

Belay, Z. A., Caleb, O.J., & Opara, U.L. (2019). Influence of initial gas modification on physicochemical quality attributes and molecular changes in fresh and fresh-cut fruit during modified atmosphere packaging. Food Packaging and Shelf Life. 21, 100359.

Belay, Z. A., Caleb, O. J., Mahajan, P. V., Fröhling, A., & Opara, U. L. (xxxx). A simplex lattice design to optimize active modified atmosphere packaging for storing pomegranate (cv. Wonderful) arils: Part 1, determining optimum gas for physiological responses. Biosystem Engineering, (on press).

Belay, Z. A., Caleb, O. J., Mahajan, P. V., Fröhling, A., & Opara, U. L. (xxxx). A simplex lattice design to optimize active modified atmosphere packaging for storing pomegranate (cv. Wonderful) arils: Part 2, determining optimum gas for maintaining quality attributes. Biosystem Engineering, (on press).

Belay, Z. A., Caleb, O. J., Mahajan, P. V., & Opara, U. L. (2018). Response of pomegranate arils (cv. Wonderful) to low O2 stress under active modified atmosphere condition. Journal of the Science of Food and Agriculture.

Belay, Z. A., Caleb O. J., Mahajan, P. V., & Opara, U. L. (20180. "Design of Active Modified Atmosphere and Humidity Packaging (MAHP) for ‘Wonderful’ Pomegranate Arils." Food and Bioprocess Technology (2018): 1-17.

Belay, Z.A., Caleb, O.J., Mahajan, P.V., & Opara, U.L. (2018). Application of simplex lattice mixture design for optimization of active modified atmosphere for pomegranate arils (cv. Wonderful) based on microbial criteria. Food Packaging and Shelf Life, 14, 12-17.

Belay, Z.A., Caleb, O.J., & Opara, U.L. (2017). Impacts of low and super-atmospheric oxygen concentrations on quality attributes, phytonutrient content and volatile compounds of minimally processed pomegranate arils (cv. Wonderful). Postharvest Biology and Technology, 124, 119-127.

Belay, Z.A., Caleb, O.J. & Opara, U.L. (2017). Enzyme kinetics modelling approach to evaluate the impact of high CO2 and super-atmospheric O2 concentrations on respiration rate of pomegranate arils. CyTA - Journal of Food, 1-9.

Belay, Z.A., Caleb, O.J., & Opara, U.L. (2016). Modelling approaches for designing and evaluating the performance of modified atmosphere packaging (MAP) systems for fresh produce: A review. Food Packaging and Shelf Life, 10, 1-15.

Belay, Z.A., Caleb, O.J., Pramod, P.V. & Opara, U.L. Pomegranate arils (cv. Wonderful) tolerance to low O2 stress during active modified atmosphere storage: based on real time respiration rate. Acta Hotriticalcurae, 1201 (pp. 213-220).