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当前位置: 首页 > 文章 > 柑橘变温压差膨化干燥工艺优化研究 中国农业大学学报 2008,13 (5) 46-53
Position: Home > Articles > Optimization of explosion puff drying process for citrus at variable temperature and pressure difference Journal of China Agricultural University 2008,13 (5) 46-53

柑橘变温压差膨化干燥工艺优化研究

作  者：
毕金峰
单  位：
中国农业科学院农产品加工研究所
关键词：
柑橘;变温压差;膨化干燥;工艺;优化
摘  要：
通过变温压差膨化干燥技术生产柑橘膨化产品,采用二次回归正交旋转组合实验设计和响应面分析法,探讨原料预干燥后含水率、膨化温度、真空干燥时间等工艺参数对膨化产品质量的影响,对其工艺参数组合进行优化。结果表明:原料预干燥后含水率、膨化温度和真空干燥时间对膨化柑橘含水率、脆度、膨化度和色泽有显著影响;柑橘膨化最佳生产工艺为,预干燥后原料含水率35%、膨化温度95℃、停滞时间5 min、压力差0.1 MPa、抽空温度80℃、真空干燥时间2.5 h;响应面分析法可以直观反映各因素与膨化产品质量指标之间的关系,实现对柑橘变温压差膨化工艺的优化。
译  名：
Optimization of explosion puff drying process for citrus at variable temperature and pressure difference
作  者：
BI Jin-feng(Institute of Agro-food Science and Technology,Chinese Academy of Agricultural Sciences,Beijing 100193,China)
关键词：
citrus;variable temperature and pressure difference;explosion puff drying;technology;optimization
摘  要：
Puffed citrus was produced by explosion puff drying at variable temperature and pressure difference.The effects of water content before puffing,puffing temperature and vacuum drying time on puffed product's water content,crisp degree,puffing degree and color were studied and the technological parameters were optimized by using the quadratic cross rotary design method and the response surface methods.The results showed that the effects of water content before puffing,puffing temperature and vacuum drying time on puffed product's water content,crisp degree,puffing degree and color were remarkable.The optimized technological parameters of explosion puff drying for citrus are water content of 35% before puffing,puffing temperature of 95℃,puffing pressure of 0.1 MPa,dwell time of 5 min,vacuum drying temperature of 80℃ and vacuum drying time of 2.5 hrs.The relationships between various factors and products index were directly reflected by the response surface method and the technology of explosion puff drying for citrus at variable temperature and pressure difference was optimized by this method.

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