Gliding arc plasma pretreatment to plum: A sustainable and environmentally friendly solution to enhance drying efficiency
文献类型： 外文期刊
作者： Niu, Xiao-Xiao 1 ; Wang, Qing-Hui 2 ; Zhang, Cheng 3 ; Sutar, Parag Prakash 4 ; Zhang, Feng-Lun 5 ; Shorstkii, Ivan 6 ; Xu, Ming-Qiang 1 ; Lv, Wei-Qiao 1 ; Xiao, Hong-Wei 1 ;
作者机构： 1.China Agr Univ, Coll Engn, POB 194,17 Qinghua Donglu, Beijing 100083, Peoples R China
2.Xinjiang Acad Agr Sci, Agr Equipment Inst, Urumqi 830091, Xinjiang, Peoples R China
3.Guiyang Med Univ, Sch Publ Hlth, Dept Food Quality & Safety, Guiyang 550004, Guizhou, Peoples R China
4.Natl Inst Technol Rourkela, Dept Food Proc Engn, Rourkela 769008, Orissa, India
5.Nanjing Inst Comprehens Utilizat Wild Plants, Nanjing 211100, Peoples R China
6.Kuban State Technol Univ, Adv Technol & New Mat Lab, Moskovskaya 2, Krasnodar 350072, Russia
关键词： Heat pump drying; Cold plasma pretreatment; Surface and internal microstructural analysis; Drying efficiency; Economic evaluation
期刊名称：INNOVATIVE FOOD SCIENCE & EMERGING TECHNOLOGIES （ 影响因子：6.8； 五年影响因子：7.6 ）
ISSN： 1466-8564
年卷期： 2025 年 103 卷
页码：
收录情况： SCI
摘要： Plum drying is energy-intensive and time-consuming, with traditional chemical pretreatments leading to chemical residues and wastewater. This study explored cold plasma pretreatment to improve plum surface characteristics and internal microstructure, thereby expediting drying, reducing energy use, and decreasing greenhouse gas emissions. The results indicated that cold plasma induced micropore formation and shifted surface chemical groups from hydrophobic to hydrophilic, increasing cell permeability by 40.97 % and decreasing cell wall stiffness to 0.38 MPa and a 42.02 % reduction in free water content. These changes facilitated water migration and resulted in a more uniform internal moisture distribution, as confirmed by MRI. Laboratory-scale experiments revealed a 71.46 % reduction in drying time. Factory-scale tests confirmed the effectiveness and economic viability of cold plasma technology, showing a 40.57 % decrease in greenhouse gas emissions and a payback period as short as five months. This technology presents a sustainable and environmentally friendly solution for agricultural product drying, demonstrating significant potential for industrial application.
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