Arrhenius equation, kinetics, osmotic dehydration

Tortoe, Charles, Orchard, John and Beezer, Anthony (2007) Osmotic dehydration kinetics of apple, banana and potato. International Journal of Food Science and Technology, 42 (3). pp. 312-318. ISSN 0950-5423 (doi:https://doi.org/10.1111/j.1365-2621.2006.01225.x)

Choice Experiment, Latent Class Modelling, Market Segmentation, Seed Yam, Willingness to pay

Boadu, Paul, Aidoo, Robert, Ohene-Yankyera, Kwasi, Kleih, Ulrich, Abdoulaye, Tahirou, Orchard, John and Maroya, Norbert (2019) A latent class modelling approach to evaluating farmers’ preferences for pona seed yam certification systems and their willingness to pay in Ghana. International Journal of Agricultural Extension and Rural Development Studies, 6 (1). pp. 1-25. ISSN 2058-9093 (Print), 2058-9107 (Online)

Michaelis-Menten parameters, isothermal flow, calorimetric data, flow calorimetry, enzymes, Michaelis-Menten kinetics

O'Neill, M.A.A., Beezer, A.E., Mitchell, J.C. ORCID: 0000-0003-2945-3292 , Orchard, J. and Connor, J.A. (2004) Determination of Michaelis-Menten parameters obtained from isothermal flow calorimetric data. Thermochimica Acta, 417 (2). pp. 187-192. ISSN 0040-6031 (doi:https://doi.org/10.1016/j.tca.2003.07.019)

Reynolds number, mass transfer, osmotic dehydration, agitation, water loss, solid gain

Tortoe, C., Orchard, J. and Beezer, A. (2009) Effect of agitation and antagonism between sucrose and sodium chloride on mass transfer during osmo-dehydration in plant materials. International Food Research Journal, 16. pp. 521-530. ISSN 1985-4668 (Print), 2231-7546 (Online)

Seed quality, certified seed, seed yam, preference

Boadu, Paul, Aidoo, Robert, Yankyera, Kwasi-Ohene, Kleih, Ulrich, Abdoulaye, Tahirou, Maroya, Norbert, Orchard, John and Bekoe, Stephen (2018) Farmers’ perception about quality of planted seed yam and their preferences for certified seed yam in Ghana. International Journal of Food and Agricultural Economics, 6 (3). pp. 71-83. ISSN 2147-8988 (Print), 2149-3766 (Online)

Sternbergia sicula, seed, propagation, bulblets, new plants, native plants

Antonidaki-Giatromanolaki, A., Orchard, J.E., Dragassaki, M. and Vlahos, J.C. (2008) Propagation of Sternbergia sicula, by seed and tissue culture. In: Criley, R.A., (ed.) XXVII International Horticultural Congress - IHC2006: International Symposium on Ornamentals. Acta Horticulturae (766). International Society for Horticultural Science, Leuven, Belgium, pp. 149-154. ISBN 978-90-66051-56-0 ISSN 0567-7572

artificial neural networks, mass transfer, osmotic dehydration, multilinear regression, apple, banana

Tortoe, C., Orchard, J., Beezer, A. and Tetteh, J. (2011) Application of radial basis function network with a Gaussian function of artificial neural networks in osmo-dehydration of plant materials. Journal of Artificial Intelligence, 4 (4). pp. 233-244. ISSN 1994-5450 (Print), 2077-2173 (Online) (doi:https://doi.org/10.3923/jai.2011.233.244)

artificial neural networks, osmotic dehydration

Tortoe, Charles, Orchard, John, Beezer, Anthony and Tetteh, John (2008) Artificial neural networks in modelling osmotic dehydration of foods. Journal of Food Processing and Preservation, 32 (2). pp. 270-285. ISSN 1745-4549 (online) (doi:https://doi.org/10.1111/j.1745-4549.2008.00178.x)

banana, production, trade, sustainable, environmental, fair-trade, organic, agriculture, stakeholder

Orchard, J. (2000) Ad-hoc expert meeting on socially and environmentally responsible banana production and trade. Overview report. Documentation. Natural Resources Institute, Chatham, UK.

base catalysed hydrolysis of methyl paraben

O'Neill, M.A.A., Beezer, A.E., Labetoulle, C., Nicolaides, L., Mitchell, J.C. ORCID: 0000-0003-2945-3292 , Orchard, J.A., Connor, J.A., Kemp, R.B. and Olomolaiye, D. (2003) The base catalysed hydrolysis of methyl paraben: a test reaction for flow microcalorimeters used for determination of both kinetic and thermodynamic parameters. Thermochimica Acta, 399 (1-2). pp. 63-71. ISSN 0040-6031 (doi:https://doi.org/10.1016/S0040-6031(02)00401-X)

cell wall, middle lamella, scanning electron microscopy, stereo micrographs

Orchard, John and Tortoe, Charles (2006) Microstructural changes of osmotically dehydrated tissues of apple, banana, and potato. Scanning, 28 (3). pp. 172-178. ISSN 0161-0457 (doi:https://doi.org/10.1002/sca.4950280306)

enzymatic browning, o-diphenols, polyphenoloxidase, o-quinones

Tortoe, Charles, Orchard, John and Beezer, Anthony (2007) Prevention of enzymatic browning of apple cylinders using different solutions. International Journal of Food Science and Technology, 42 (12). pp. 1475-1481. ISSN 0950-5423 (doi:https://doi.org/10.1111/j.1365-2621.2006.01367.x)

financial services, fisheries, aquaculture, Africa, small and medium-scale enterprise, SME

Kleih, Ulrich, Linton, John, Marr, Ana ORCID: 0000-0002-8764-5682 , Mactaggart, Murdoch, Naziri, Diego ORCID: 0000-0002-8078-5033 and Orchard, John E. (2012) Financial services for small and medium-scale aquaculture and fisheries producers. Marine Policy, 37. pp. 106-114. ISSN 0308-597X (doi:https://doi.org/10.1016/j.marpol.2012.04.006)

fresh produce, Africa, United Kingdom, UK, value chain, sub-Sahara, vegetable, fruit, export, import, small-scale grower

Legge, Alan, Orchard, John, Graffham, Andy, Greenhalgh, Peter and Kleih, Ulrich (2006) The production of fresh produce in Africa for export to the United Kingdom: mapping different value chains. Technical Report. Natural Resources Institute, Chatham, UK.

in vitro culture, new ornamental plant, ptilostemon chamaepeuse, seedling

Antonidaki-Giatromanolaki, Anna, Orchard, John, Papadimitriou, Michel, Dragassaki, Magdalena and Vlahos, Ioannis (2010) Propagation of Ptilostemon chamaepeuce (L.) less through tissue culture. Journal of Biological Research-Thessaloniki, 13. pp. 105-111. ISSN 1790-045X

mass-transfer, transport, microwave, fruits, sugar, water, salt

Tortoe, Charles, Orchard, John and Beezer, Anthony (2008) Artificial cell studies in simulated apple and potato starch cell complex during osmotic dehydration. Journal of Food Quality, 31 (5). pp. 559-570. ISSN 0146-9428 (Print), 1745-4557 (Online) (doi:https://doi.org/10.1111/j.1745-4557.2008.00220.x)

native plants, new ornamental plants, Ptilostemon chamaepeuce, stem cuttings, substrates

Antonidaki-Giatromanolaki, Anna, Orchard, John, Papadimitriou, Michael, Dragassaki, Magdalena and Vlahos, Ioannis (2008) Propagation by stem cuttings of Ptilostemon chamaepeuce (L.)less. Propagation of Ornamental Plants, 8 (4). pp. 186-189. ISSN 1311-9109

osmotic dehydration, diffusion coefficient, efficiency index

Tortoe, Charles, Orchard, John and Beezer, Anthony (2007) Comparative behaviour of cellulosic and starchy plant materials during osmotic dehydration. Journal of the Science of Food and Agriculture, 87 (7). pp. 1284-1291. ISSN 0022-5142 (doi:https://doi.org/10.1002/jsfa.2843)

pear, organic, postharvest, rots, Monilinia, Penicillium

Suleiman, M., Rees, D. ORCID: 0000-0003-3541-0424 and Orchard, J. (2010) Comparison of susceptibility to postharvest rots of 'Conference' pears produced organically and conventionally. In: Herppich, W.B., (ed.) Proceedings of the Third International Conference Postharvest Unlimited 2008. Acta Horticulturae (858). International Society for Horticultural Science, Leuven, Belgium, pp. 251-254. ISBN 978-90-66052-06-2 ISSN 0567-7572

post-harvest, perishables

Rees, Debbie ORCID: 0000-0003-3541-0424 , Farrell, Graham and Orchard, John (eds.) (2012) Crop post-harvest: science and technology, perishables. Wiley-Blackwell, Chichester, UK. ISBN 978-0-632-05725-2 (hbk), 978-1-4443-5463-8 (ebk)

rice, sub-Saharan Africa, African supply chain, agribusiness

Orchard, John, Chancellor, Timothy ORCID: 0000-0002-4442-7001 , Denton, Roy, Fall, Amadou Abdoulaye and Jaeger, Peter (2013) Annex 1. Vol. 2 of Growing Africa: Unlocking the potential of agribusiness. Project Report. The World Bank, Washington D.C., USA.

thermocalorimetry, osmotic dehydration, kinetic, activation energy

Tortoe, Charles, Orchard, John, Beezer, Anthony and O'Neil, M. (2007) Potential of calorimetry to study osmotic dehydration of food materials. Journal of Food Engineering, 78 (3). pp. 933-940. ISSN 0260-8774 (doi:https://doi.org/10.1016/j.jfoodeng.2005.12.006)

triacetin, volume study, isothermal microcalorimetry

O'Neill, M.A.A., Beezer, A.E., Deal, R.M., Morris, A.C. ORCID: 0000-0003-2945-3292 , Mitchell, J.C. ORCID: 0000-0003-2945-3292 , Orchard, J.A. and Connor, J.C. (2003) Survey of the effect of fill volume on the values for the enthalpy and rate constant derived from isothermal microcalorimetry: applications of a newly developed test reaction. Thermochimica Acta, 397 (1-2). pp. 163-169. ISSN 0040-6031 (doi:https://doi.org/10.1016/S0040-6031(02)00270-8)

tropical, fruit, vegetable, export, Ethiopia, Sudan, commercial production, horticulture, Africa, Sub-Saharan Africa, international trade, postharvest cold chain

Greenhalgh, Peter, Orchard, John and Tallontire, Anne (2003) Assessment of needs and feasibility of commercial production of tropical fruits and vegetables for diversified exports in Ethiopia and Sudan. [Working Paper]