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Preservation of fruits and vegetables using solar drier: a comparative study of natural and solar drying, III; chemical analysis and sensory evaluation data of the dried samples (grapes, figs, tomatoes and onions)

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  • Gallali, Yahya M
  • Abujnah, Yahya S
  • Bannani, Faiz K

Abstract

In spite of the detailed studies which have proved the superiority of the quality attributes for solar dried fruits and vegetable over that of naturally dried [1–5], we have chosen in our investigation some parameters to be used as a guide to test the changes occurring for some nutrients like sugars. Another indicator has been used which was the percent ash to test the extent of contamination with sand from the surroundings. Consequently we can compare the properties and qualities of natural and solar dried fruits and vegetables to arrive at the preferred drying method.

Suggested Citation

  • Gallali, Yahya M & Abujnah, Yahya S & Bannani, Faiz K, 2000. "Preservation of fruits and vegetables using solar drier: a comparative study of natural and solar drying, III; chemical analysis and sensory evaluation data of the dried samples (grapes, figs, tomatoe," Renewable Energy, Elsevier, vol. 19(1), pages 203-212.
    • Handle: RePEc:eee:renene:v:19:y:2000:i:1:p:203-212
    DOI: 10.1016/S0960-1481(99)00032-4
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    1. Fudholi, A. & Sopian, K. & Ruslan, M.H. & Alghoul, M.A. & Sulaiman, M.Y., 2010. "Review of solar dryers for agricultural and marine products," Renewable and Sustainable Energy Reviews, Elsevier, vol. 14(1), pages 1-30, January.
    2. Qiaonan Yang & Can Hu & Jie Li & Hongwei Xiao & Wenwen Jia & Xufeng Wang & Xiangjuan Liu & Ziya Tang & Bingzhou Chen & Xiaokang Yi & Xibing Li, 2024. "Effects of Different Natural Drying Methods on Drying Characteristics and Quality of Diaogan apricots," Agriculture, MDPI, vol. 14(5), pages 1-17, April.
    3. Murthy, M.V. Ramana, 2009. "A review of new technologies, models and experimental investigations of solar driers," Renewable and Sustainable Energy Reviews, Elsevier, vol. 13(4), pages 835-844, May.
    4. EL-Mesery, Hany S. & EL-Seesy, Ahmed I. & Hu, Zicheng & Li, Yang, 2022. "Recent developments in solar drying technology of food and agricultural products: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 157(C).
    5. Badaoui, Ouassila & Djebli, Ahmed & Hanini, Salah, 2022. "Solar drying of apple and orange waste: Evaluation of a new thermodynamic approach, and characterization analysis," Renewable Energy, Elsevier, vol. 199(C), pages 1593-1605.
    6. M. A. Tawfik & Khaled M. Oweda & M. K. Abd El-Wahab & W. E. Abd Allah, 2023. "A New Mode of a Natural Convection Solar Greenhouse Dryer for Domestic Usage: Performance Assessment for Grape Drying," Agriculture, MDPI, vol. 13(5), pages 1-27, May.

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