Freeze-drying is a dehydration technique which, from a sensory, nutritional and functional point of view, provides high-quality powder products. Nevertheless, both long processing times and high economic costs are required. ...
Igual Ramo, Marta; Castelló Gómez, María Luisa; Roda, Eva; Ortolá Ortolá, Mª Dolores(De GruyterBerkeley Electronic Press, 2011)
In this work the authors have studied the effect of hot-air drying with or without a previous osmotic dehydration pretreatment to produce dried cut persimmon with a different geometry (slices and sectors). A kinetic study ...
Kim, Sung Il; Oh, Sang Hyun; Chun, Won Pyo; Park, Ki Ho; Yu, Byoung Hyuk(Editorial Universitat Politècnica de València, 2018-09-07)
[EN] In this paper, we introduce a novel energy-efficient dryer that uses hot air as a combined heating method of heat conduction and convection heat transfer. The dryer consisting of rotary cylinders and arched jackets ...
Wang, Shaojin; Zhou, Xu(Editorial Universitat Politècnica de València, 2018-09-07)
[EN] A radio frequency (RF) vacuum technology is proposed for drying kiwifruit slices using a 27.12 MHz, 3 kW RF-vacuum drying system. The results demonstrated that electrode gap, vacuum pressure and sample thickness had ...