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The impact of solar convective drying on kinetics, bioactive compounds and microstructure of stevia leaves

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  • Hidar, Nadia
  • Ouhammou, Mourad
  • Mghazli, Safa
  • Idlimam, Ali
  • Hajjaj, Abdessamad
  • Bouchdoug, Mohamed
  • Jaouad, Abderrahim
  • Mahrouz, Mostafa

Abstract

Stevia is a natural non-caloric substitute to conventional sugar. The objective of this study was to investigate the effect of solar convective drying on kinetics and quality attributes of stevia leaves grown in Morocco. The evaluated drying temperatures were 50, 60, 70 and 80 °C with an air flow of 300 and 150 m3/h.

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  • Hidar, Nadia & Ouhammou, Mourad & Mghazli, Safa & Idlimam, Ali & Hajjaj, Abdessamad & Bouchdoug, Mohamed & Jaouad, Abderrahim & Mahrouz, Mostafa, 2020. "The impact of solar convective drying on kinetics, bioactive compounds and microstructure of stevia leaves," Renewable Energy, Elsevier, vol. 161(C), pages 1176-1183.
    • Handle: RePEc:eee:renene:v:161:y:2020:i:c:p:1176-1183
    DOI: 10.1016/j.renene.2020.07.124
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    References listed on IDEAS

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    1. Koukouch, Abdelghani & Idlimam, Ali & Asbik, Mohamed & Sarh, Brahim & Izrar, Boujemaa & Bostyn, Stéphane & Bah, Abdellah & Ansari, Omar & Zegaoui, Omar & Amine, Amina, 2017. "Experimental determination of the effective moisture diffusivity and activation energy during convective solar drying of olive pomace waste," Renewable Energy, Elsevier, vol. 101(C), pages 565-574.
    2. Lahnine, Lamyae & Idlimam, Ali & Mostafa Mahrouz, & Mghazli, Safa & Hidar, Nadia & Hanine, Hafida & Koutit, Abbes, 2016. "Thermophysical characterization by solar convective drying of thyme conserved by an innovative thermal-biochemical process," Renewable Energy, Elsevier, vol. 94(C), pages 72-80.
    3. Tunde-Akintunde, T.Y., 2011. "Mathematical modeling of sun and solar drying of chilli pepper," Renewable Energy, Elsevier, vol. 36(8), pages 2139-2145.
    4. Kousksou, T. & Allouhi, A. & Belattar, M. & Jamil, A. & El Rhafiki, T. & Arid, A. & Zeraouli, Y., 2015. "Renewable energy potential and national policy directions for sustainable development in Morocco," Renewable and Sustainable Energy Reviews, Elsevier, vol. 47(C), pages 46-57.
    5. Mghazli, Safa & Ouhammou, Mourad & Hidar, Nadia & Lahnine, Lamyae & Idlimam, Ali & Mahrouz, Mostafa, 2017. "Drying characteristics and kinetics solar drying of Moroccan rosemary leaves," Renewable Energy, Elsevier, vol. 108(C), pages 303-310.
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    1. Kong, Decheng & Wang, Yunfeng & Li, Ming & Liang, Jingkang, 2022. "Experimental investigation of a novel hybrid drying system powered by a solar photovoltaic/thermal air collector and wind turbine," Renewable Energy, Elsevier, vol. 194(C), pages 705-718.
    2. Wang, Hui & Torki, Mehdi & Xiao, Hong-Wei & Orsat, Valérie & Raghavan, G.S.V. & Liu, Zi-Liang & Peng, Wen-Jun & Fang, Xiao-Ming, 2022. "Multi-objective analysis of evacuated tube solar-electric hybrid drying setup for drying lotus bee pollen," Renewable and Sustainable Energy Reviews, Elsevier, vol. 168(C).
    3. Kong, Decheng & Wang, Yunfeng & Li, Ming & Liang, Jingkang & Liu, Xianglong & Yin, Gaofei, 2022. "Quality study on different parts of Panax notoginseng root drying with a hybrid drying system powered by a solar photovoltaic/thermal air collector and wind turbine," Energy, Elsevier, vol. 245(C).

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