Modeling the solar drying kinetics of gamma irradiation-pretreated oyster mushrooms (Pleurotus ostreatu

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dc.contributor.authorKortei, N.K.
dc.contributor.authorOdamtten, G.T.
dc.contributor.authorAyim-Akonor, M.
dc.contributor.authorAkonor, P.T.
dc.date.accessioned2019-04-23T09:49:17Z
dc.date.available2019-04-23T09:49:17Z
dc.date.issued2016
dc.description.abstractOyster mushroom slices (Pleurotus ostreatus) were exposed to γ-radiation as a pretreatment and solar dried to investigate the influence of irradiation on drying kinetics. Processing conditions included exposure of mushrooms to 0 kGy (control), 0.5 kGy, 1.0 kGy, 1.5 kGy and 2.0 kGy of γ-radiation at a dose rate of 1.7 kGy/h and drying at a mean temperature of 53.2±6.4°C. Experimental drying data were fitted to 5 thin layer drying models by non-linear regression. Irradiation was observed to enhance the drying rate of mushroom slices, with higher doses causing faster moisture removal. Drying characteristics of slices exposed to lower dosages were best described by Page's model (R2=0.9878, 0.9967, 0.9925 correspondingly for "control" (0.0 kGy), 0.5 and 1.0 kGy while the Diffusion model best fit the data for those exposed to higher doses of radiation (R2=0.9938, 0.9890 for 1.5 and 2.0 kGy respectively). Deffranged from 1.88 to 2.44 x 10-08 and increase from "control", 0.5 kGy, 1.0 kGy, 1.5 kGy to 2.0 kGy. Irradiation of mushrooms as a pretreatment for drying increases moisture diffusivity and drying rate with higher doses having the most effect. © All Rights Reserved.en_US
dc.identifier.issn19854668
dc.identifier.othervol.23(1): 34-39 (2016)
dc.identifier.urihttp://ugspace.ug.edu.gh/handle/123456789/29439
dc.language.isoenen_US
dc.publisherUniversiti Putra Malaysiaen_US
dc.subjectDrying kineticsen_US
dc.subjectGamma irradiationen_US
dc.subjectMushroomsen_US
dc.subjectSolar dryingen_US
dc.titleModeling the solar drying kinetics of gamma irradiation-pretreated oyster mushrooms (Pleurotus ostreatuen_US
dc.typeArticleen_US

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