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罗非鱼鱼肉的解吸平衡规律研究
Study on Characteristic of Isothermal Desorption of Tilapia Meats
【摘要】 罗非鱼鱼肉的解吸平衡含水率不但决定给定干燥条件下所能达到的最低水分,且直接影响干燥速度,本文采用静态称重法研究了罗非鱼鱼肉在不同温度(40℃~60℃)和不同相对湿度(11.0~84.0%)条件下的解吸平衡含水率的变化规律,比较了罗非鱼背部和腹部肌肉在恒温60℃和不同湿度下的解吸平衡含水率的差异,分析了温、湿度对鱼肉的平衡含水率的影响,并对试验测定的结果进行了回归分析,得出Chung-Pfost模型最适宜描述罗非鱼鱼肉的平衡含水率变化。
【Abstract】 Equilibrium moisture content(EMC) for desorption of tilapia meats at 40℃、50℃ and 60℃ and a range of relative humidity(RH) from 11.0~84.0% were investigated with a static gravimetric method.The differences of EMC between dorsal and abdominal meats under various relative humidity and at 60℃ were compared.The effects of temperature and RH on EMC of tilapia meats have been discussed.The regression analysis for test results indicated that Chung-Pfost equation would be fitted to describe the EMC of desorption of tilapia meats.
【Key words】 Tilapia meats; desorption; Equilibrium moisture content(EMC); Model;
- 【文献出处】 食品科学 ,Food Science , 编辑部邮箱 ,2011年S1期
- 【分类号】S917.4
- 【被引频次】4
- 【下载频次】81