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Influence of three different drying techniques on persimmon chips’ characteristics: A comparison study among hot-air, combined hot-air-microwave, and vacuum-freeze drying techniques

Food and Bioproducts Processing • 2019
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Publication Information
Authors Yangyang Jia, Ibrahim Khalifa, Lanlan Hu, Wei Zhu, Jin Li, Kaikai Li, Chunmei Li
Keywords Persimmon
Journal Food and Bioproducts Processing
Publisher Elsiver
Volume 118
Issue Not Available
Pages 67-76
publication.type International
Paper Link Open Link
Supplementary Materials Not Available
Abstract
The effect of three different drying methods (hot-air, combined hot-air-microwave, and vacuum-freeze) on the sensorial, textural, nutritional, and other quality characteristics of persimmon chips was compared. The result showed that the freeze-dried chips had the best nutritional and quality features. However, persimmon chips processed by combined hot-air-microwave and freeze-techniques had the same sensory score (85.40 points), which were higher than that of hot-air dried samples (70.51 points). Additionally, persimmon chips dried with aid of hot-air technique had the lowest chewability value and hardly met the panelists’ requirements. These disadvantages could be avoided by using a combined hot-air-microwave drying method with lower power consumption compared with the others. The optimized combining microwave and hot-air drying conditions were as follows: 1 mm thickness of persimmon slice,