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;Li, Peiru;Zhang, Hainan;Tian, Changqing;Leng, Dongmei;Hou, Chengli
作者机构:
关键词: Oscillating magnetic field;Deep supercooling;Water;Fruits
期刊名称: FOOD AND BIOPROCESS TECHNOLOGY
ISSN: 1935-5130
年卷期: 2024 年
页码:
收录情况: SCIE(2024版) ; ; EI(2024版)
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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