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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...
Preparation and Differential Scanning Calorimetric Studies of a New Water-absorbing Polysaccharide from a Bacterium Belonging to the Family Oxalobacteraceae
water-absorbing polysaccharide new bacterium of Oxalobacteraceae DSC analysis
2008/4/20
A Gram-negative bacterium, strain IM944, belonging to the family Oxalobacteraceae which produced a new water-absorbing polysaccharide (WAP) was isolated from soil. The water-absorbing capacity of the ...
Amylase Activities and Values in Hot and Cold Water Extracts of Pearl Millet
amylase pearl millet malting water extracts
2008/4/20
Amylase activities from various cultivars of pearl millet and a sorghum cultivar and their values in cold water and hot water extracts were studied. The α-amylase and β-amylase activities and values i...
Structural Analysis of the Water-soluble Carbohydrate from Asaia bogorensis by NMR Spectroscopy
water-soluble polysaccharide levan Asaia bogorensis NMR spectroscopy
2008/4/20
The water-soluble extracellular polysaccharide produced by Asaia bogorensis, an acetic acid bacterium, was investigated. It was suggested that the water-soluble polysaccharide seemed to be a fructan a...
Structural Studies on a New Water-absorbing Polysaccharide from the Family Oxalobacteraceae
polysaccharide oligosaccharides water-absorbing polysaccharide Oxalobacteraceae
2008/4/20
The chemical structure of a new water-absorbing polysaccharide (WAP), which was isolated from a liquid culture of bacterium belonging to the family Oxalobacteraceae, was analyzed by fragmentation anal...