Effect of microwave power on kinetics and characteristics of microwave vacuum-dried longan (Dimocarpus longan Lour.) pulp

© The Author(s) 2013 Reprints and permissions: sagepub.co.uk/journalsPermissions.nav.

Bibliographische Detailangaben
Veröffentlicht in:Food science and technology international = Ciencia y tecnologia de los alimentos internacional. - 1998. - 21(2015), 2 vom: 13. März, Seite 124-32
1. Verfasser: Su, Dongxiao (VerfasserIn)
Weitere Verfasser: Zhang, Mingwei, Wei, Zhencheng, Tang, Xiaojun, Zhang, Ruifen, Liu, Lei, Deng, Yuanyuan
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Food science and technology international = Ciencia y tecnologia de los alimentos internacional
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Microwave vacuum drying drying kinetics longan microstructure rehydration
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520 |a The drying kinetics of longan (Dimocarpus longan Lour.) pulp processed by microwave vacuum under different microwave levels (2.67, 5.33, 8.00, and 10.67 W/g) was investigated (pressure controlled at -85 ± 2 kPa) in the present study. It was found that the drying rate of longan pulp was dependent on the microwave power, and the rehydration rate increased from 1.96 to 2.17 with the increase of microwave power from 2.67 to 10.67 W/g. Among nine selected thin layer models, the microwave vacuum drying of longan pulp was well represented by five models, which were Page, Modified Henderson and Pabis, Wang and Singh, Logarithmic, and Midilli models. Furthermore, the results of statistical analysis indicated that the Midilli model could describe the best experimental data. In addition, scanning electron microscope observation showed that the microwave vacuum-dried longan pulp had a porous structure 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Microwave vacuum drying 
650 4 |a drying kinetics 
650 4 |a longan 
650 4 |a microstructure 
650 4 |a rehydration 
700 1 |a Zhang, Mingwei  |e verfasserin  |4 aut 
700 1 |a Wei, Zhencheng  |e verfasserin  |4 aut 
700 1 |a Tang, Xiaojun  |e verfasserin  |4 aut 
700 1 |a Zhang, Ruifen  |e verfasserin  |4 aut 
700 1 |a Liu, Lei  |e verfasserin  |4 aut 
700 1 |a Deng, Yuanyuan  |e verfasserin  |4 aut 
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