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Impact of high-voltage electric field coupled with heat transfer medium on the thawing quality of lychee

文献类型: 外文期刊

作者: Xie, Daiqin 1 ; Rong, Haozhao 2 ; Xu, Yujuan 2 ; Yu, Yuanshan 2 ; Zou, Bo 2 ; Dai, Fanwei 2 ; Li, Lu 2 ; Peng, Jian 2 ; Cheng, Lina 2 ;

作者机构: 1.South China Univ Technol, SCUT, 381 Wushan Rd, Guangzhou 510641, Peoples R China

2.Guangdong Acad Agr Sci, Sericultural & Argi Food Res Inst, Key Lab Funct Foods, Guangdong Key Lab Agr Prod Proc,Minist Agr & Rural, 133 Yiheng St, Dongguanzhuang Rd, Guangzhou 510610, Peoples R China

3.Guangdong Prov Key Lab Lingnan Specialty Food Sci, Guangzhou 510225, Peoples R China

关键词: Litchi; Electrostatic field thawing; Nutritional quality; Flavor

期刊名称:LWT-FOOD SCIENCE AND TECHNOLOGY ( 影响因子:6.6; 五年影响因子:6.9 )

ISSN: 0023-6438

年卷期: 2025 年 223 卷

页码:

收录情况: SCI

摘要: This study systematically investigated the impacts of various voltages (0-15 kV) and heat transfer media (air (EA) and water (EW)) on thawing quality of lychees, aiming to explore an effective electrostatic field-assisted thawing mode. The experimental results demonstrated that the EW group achieved a thawing rate 44.14 % higher than that of the EA group. The EW group exhibited appearance and texture similar to fresh lychees, along with 5 %-20 % increase in nutrient retention. Notably,. the EW-5 and EW-10 treatments showed a 66 %-430 % increase in the thawing efficiency compared to other treatment groups, while maintaining a highly similar appearance and texture to fresh lychees and preserving over 60 % of the nutritional quality found in fresh samples. Additionally, the flavor profile of the EW-5 group closely resembled that of fresh lychees, indicating that the application of an electric field enhanced the aroma of the fruit. The combination of the electric field (5 kV-10 kV) with water demonstrated superior effectiveness in preserving the quality of lychees. These findings contribute to a deeper understanding of the mechanisms involved in electrostatic field-assisted thawing, potentially providing a theoretical foundation for the optimization of industrial thawing processer in the food industry.

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