Gliding arc plasma pretreatment to plum: A sustainable and environmentally friendly solution to enhance drying efficiency

文献类型： 外文期刊

第一作者： Niu, Xiao-Xiao

作者： Niu, Xiao-Xiao;Xu, Ming-Qiang;Lv, Wei-Qiao;Xiao, Hong-Wei;Niu, Xiao-Xiao;Wang, Qing-Hui;Zhang, Cheng;Sutar, Parag Prakash;Zhang, Feng-Lun;Shorstkii, Ivan

作者机构：

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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