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    Thin layer drying process of some leafy vegetables under open sun

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    sobukola-thin-2007.pdf (162.9Kb)
    Date
    2007
    Author
    Sobukola, O.P.
    Dairo, O.U.
    Sanni, L.O.
    Odunewu, A.V.
    Fafiolu, B.O.
    Type
    Journal Article
    Metadata
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    Abstract/Description
    Open sun drying experiments in thin layers of crain-crain (CC), fever (FV) and bitter (BT) leaves grown in Abeokuta, Nigeria were conducted. The drying process took place in the falling rate period and no constant rate period was observed from the drying curves. Eight thin layer mathematical drying models were compared using the multiple determination coefficients (R2), reduced chi-square (χ2) and root mean square error (RMSE) between the observed and predicted moisture ratios. Accordingly, Midilli et al. model satisfactorily described the drying curves of the three leaves with R2 of 0.9980, χ2 of 2.0×10-4 and RMSE of 1.09×10-2 for CC leaves; R2 of 0.9999, χ2 of 2×10-6 and RMSE of 1.11×10-3 for FV leaves; and R2 of 0.9998, χ2 of 1.9×10-5 and RMSE of 3.3×10-3 for BT leaves. The effective diffusivity was found to be 52.91×10-10, 48.72×10-10 and 43.42×10-10 m2s for CC, BT and FV leaves, respectively.
    https://doi.org/10.1177/1082013207075953
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/3501
    Digital Object Identifier (DOI)
    https://doi.org/10.1177/1082013207075953
    IITA Subjects
    Nutrition; Food Security; Handling, Transport, Storage And Protection Of Agricultural Products; Impact Assessment; Livelihoods; Food Science; Food Systems; Markets; Agribusiness; Post-Harvesting Technology; Domestic Trade
    Agrovoc Terms
    Leafy Vegetables; Open Sun Drying; Thin Layer Models; Diffusivity; Food Preservation; Moisture Content; Agricultural Products
    Regions
    Africa; West Africa
    Countries
    Nigeria
    Collections
    • Journal and Journal Articles4835
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