HYDRATION KINETICS OF LUPIN (LUPINUS ALBUS) SEEDS
作者： W.K. SOLOMON
DOI: 10.1111/J.1745-4530.2007.00098.X
关键词:
摘要: The hydration kinetics of lupin (Lupinus albus) seeds was studied by soaking in water at temperatures 20, 30, 40 and 50C (±1C) constant-temperature bath for 9 to 12 h. weight gain due the process determined terms moisture content (% dry basis). Water absorption rate high early stage (20-60 min depending on temperature) followed a decreased finally approaching equilibrium condition. Peleg 's equation adequately described characteristics under experimental condition (R 2 = 0.96 0.99). constant k 1 from 2.537 0.241 min/%, while capacity increased 0.0036 0.0070/% significantly (P < 0.05) with an increase temperature 20 50C, demonstrating that temperature. dependence Arrhenius type R values 0.98 0.97, respectively, activation energy 60.44 kJ/mol. agreement between estimated hydrations data 0.97 0.99) confirmed Peleg's could be used describe conditions considered.
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