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高压CO2—水混合体系水解菊粉制备果糖工艺(High Pressure CO2?—Water System for Inulin Hydrolysis to Produce Fructose)
菊粉 高压CO2—水混合体系 水解
2009/9/11
为了解决利用传统酸水解菊粉制备果糖工艺的缺点,采用高压CO2—水混合体系代替普通酸性水溶液,研究了菊粉在该体系中的水解情况,考察了CO2压力、反应温度和反应时间对菊粉水解制备果糖的影响。结果表明,菊粉的水解度随CO2压力的增大、反应时间的延长而增大,随反应温度的升高先增大而后下降。在反应压力为20?MPa、反应温度为70℃、反应时间为3h的条件下,菊粉的水解度达94.9%,说明菊粉在高压CO2—水...
Isolation of Reaction Products Resulting from Heat-Induced Degradation of Inulin
inulin di-D-fructose dianhydrides DFDA NMR bakery products
2014/3/10
From inulin which had been heated for 30 min at 200°C, four di-D-fructose dianhydrides (DFDAs) were isolated using flash chromatography and final purification by semipreparative HPLC, followed by iden...