不同湿度环境下的胡萝卜微波干燥过程研究

Research on Microwave Drying Process of Carrot under Different Humidity

DOI：10.3969/j.issn.1673-1689.2019.05.009

中文关键词: 胡萝卜 微波干燥 湿度 干燥过程 品质

英文关键词: carrot,microwave drying,humidity,drying progress,quality

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中文摘要:

为了研究不同湿度环境对胡萝卜微波干燥过程的影响，在微波干燥过程中向物料所在的封闭物料罐内分别通入0.5、1.0、1.5 h的相对湿度30%、50%、70%、90%的湿空气，分析物料罐内湿度及胡萝卜干燥特性的变化，比较胡萝卜干后品质的差异。实验结果表明，干后胡萝卜的品质与罐内高湿维持区间的长短及干燥时间有关，为提高胡萝卜的干后品质，应选择较长的加湿时间与较低的加湿湿度。

英文摘要:

To study the effect of different environment humidity on microwave drying process of carrot，moisture of different humidity（30%、50%、70%、90%） flowed the surface of carrot for different time（0.5、1.0、1.5 h）. Humidity and drying characteristic curves were analyzed and the quality of dried carrot was compared. Results showed that，the quality of dried carrot was related to the high humidity maintenance interval and the drying time. In order to improve the quality of dried carrot，longer humidification time and lower humidity of moisture should be selected. It was improved that humidification under 30%、50%、70% for 1.5 h got the better quality of dried carrot.

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