昆布
柯德兰
阿累尼乌斯方程
质子化
化学
热力学
工作(物理)
数学
生物系统
多糖
有机化学
物理
生物
活化能
离子
作者
Miguel A. Prieto,José Antonio Vázquez,M.A. Murado
摘要
The aim of the present work was to evaluate with different statistical criteria the suitability of nine equations for describing and optimizing the simultaneous effect of temperature and pH on glucanex activity using two characteristic polysaccharides (curdlan and laminarin) as substrates. The most satisfactory solutions were found with an empirical equation constituted with parameters of practical interest (Rosso model), and a hybrid model between the Arrhenius equation and the mathematical expression generated by the protonation-hydroxylation mechanism (Tijskens model). The joint optimal values of pH and temperature calculated with the Rosso model were obtained at 4.64 and 50°C with curdlan and 4.64 and 48°C using laminarin as substrate.
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