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    • 1. 发明授权
    • Production of fructose and useful by-products
    • 生产果糖和有用的副产品
    • US4263052A
    • 1981-04-21
    • US84178
    • 1979-10-12
    • Stanley E. BichselYueh WangAndrew M. Sandre
    • Stanley E. BichselYueh WangAndrew M. Sandre
    • C13K3/00C13K11/00
    • C13K3/00C13K11/00Y10S426/807
    • A process for obtaining fructose solutions or solid fructose, a raw material containing sucrose and/or similar fructofuranosides is hydrolyzed to fructose and glucose and treated with a calcium base (e.g. calcium oxide or hydroxide) to precipitate calcium-sugar complexes. The precipitate is slurried in water and then treated with phosphoric acid to liberate (e.g. at a pH of 5.5 to 9) a fructose solution of high purity (i.e. de-complex the calcium-fructose complex), with precipitation of useful calcium phosphate salts. Phosphoric acid has been found to have significant advantages over carbonic acid or carbon dioxide as the fructose-liberating (de-complexing) agent, e.g. better yields and more useful by-products. Solid fructose can be obtained from the fructose solution in a known manner. The filtrate from the calcium-sugar complexing step can be acidified to yield stable, useful, fructose-depleted by-products.
    • 将含有蔗糖和/或类似呋喃果糖苷的原料获得果糖溶液或固体果糖的方法水解成果糖和葡萄糖并用钙碱(例如氧化钙或氢氧化物)处理以沉淀钙 - 糖复合物。 将沉淀物在水中浆化,然后用磷酸处理以释放(例如在5.5至9的pH)下的高纯度果糖溶液(即,去钙化果糖络合物),同时沉淀有用的磷酸钙盐。 发现磷酸与碳酸或二氧化碳相比具有明显的优势,如果糖释放(去络合)剂,例如, 更好的产量和更有用的副产品。 固体果糖可以以已知的方式从果糖溶液中获得。 来自钙 - 糖络合步骤的滤液可以酸化以产生稳定的,有用的果糖贫乏的副产物。