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Enhanced Supercooling of Water with a 6 mT/50 Hz Oscillating Magnetic Field and its Application in Fruit Preservation

文献类型: 外文期刊

作者: Kong, Fanchen 1 ; Li, Peiru 1 ; Zhang, Hainan 1 ; Tian, Changqing 1 ; Leng, Dongmei 3 ; Hou, Chengli 3 ;

作者机构: 1.Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Sci & Technol Space Energy Convers, Beijing, Peoples R China

2.Univ Chinese Acad Sci, Beijing, Peoples R China

3.Chinese Acad Agr Sci, Inst Food Sci & Technol, Key Lab Agroprod Proc, Minist Agr & Rural Affairs, Beijing, Peoples R China

关键词: Oscillating magnetic field; Deep supercooling; Water; Fruits

期刊名称:FOOD AND BIOPROCESS TECHNOLOGY ( 影响因子:5.6; 五年影响因子:5.8 )

ISSN: 1935-5130

年卷期: 2024 年

页码:

收录情况: SCI

摘要: This study aims to investigate the influence of oscillating magnetic fields on the deep supercooling of water and the supercooling storage of fruits. The results showed that by utilizing a 6 mT/50 Hz oscillating magnetic field, water (1 ml) was able to be maintained at -18 degrees C for 24 h, achieving deep supercooling. Combining magnetic field with oil-sealed water enhanced supercooling compared to oil sealing alone. By adding an oscillating magnetic field, fruits were maintained at a temperature of -5 degrees C for 12 h. The supercooled samples exhibited a texture and color that were close to those of fresh samples and also experienced a reduction in water loss of up to 30.25% in comparison to frozen samples that were not treated by magnetic field treatment. The proposed method achieved significant supercooling and improved food quality using an easily obtainable type of magnetic field.

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