电流体动力学对铁棍山药干燥特性及挥发性成分的影响
Influence of electrohydrodynamics on the drying characteristics and volatile components of iron stick yam.
作者信息
Zhang Jie, Ding Changjiang, Lu Jingli, Wang Huixin, Bao Yuting, Han Bingyang, Duan Shanshan, Song Zhiqing, Chen Hao
机构信息
College of Science, Inner Mongolia University of Technology, Hohhot 010051, China.
Discharge Plasma and Functional Materials Application Laboratory, Inner Mongolia University of Technology, Hohhot 010051, China.
出版信息
Food Chem X. 2023 Nov 23;20:101026. doi: 10.1016/j.fochx.2023.101026. eCollection 2023 Dec 30.
The drying characteristics, rehydration capacity, color, infrared spectra and volatile components of iron stick yam slices were investigated under different alternating current (AC) voltages (13, 17, 21 kV), hot air drying (HAD) (60 °C) and natural drying (AD) by electrohydrodynamic (EHD) drying and HAD experimental devices. The results showed that slices of iron stick yam dried the quickest with HAD, which also had the fastest drying rate; while drying the slices of iron stick yam with EHD led to a better rehydration capacity, higher brightness L* and whiteness, a more stable protein secondary structure, and a greater variety and content of volatile components compared with AD and HAD. These finding indicated that EHD is a more promising method for drying iron stick yam.
采用电液动力学（EHD）干燥和热风干燥（HAD）实验装置，研究了不同交流电压（13、17、21 kV）、热风干燥（60℃）和自然干燥条件下铁棍山药片的干燥特性、复水能力、颜色、红外光谱和挥发性成分。结果表明，铁棍山药片采用热风干燥时干燥速度最快，干燥速率也最高；而与自然干燥和热风干燥相比，采用EHD干燥铁棍山药片时，其复水能力更好，亮度L*和白度更高，蛋白质二级结构更稳定，挥发性成分种类更多、含量更高。这些发现表明，EHD是一种更有前景的铁棍山药干燥方法。
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