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    • 3. 发明专利
    • Method for producing sodium erythorbate
    • 生产硫酸钠的方法
    • JP2005139138A
    • 2005-06-02
    • JP2003378884
    • 2003-11-07
    • Fuso Chemical Co Ltd扶桑化学工業株式会社
    • SHIRAISHI TOSHIKUNIOKADA YUKIOMINAMIDA MASARU
    • C07D307/62B01D9/02
    • PROBLEM TO BE SOLVED: To provide a method for producing sodium erythorbate by which the sodium erythorbate can be produced in a yield higher than that by a conventional method for producing the sodium erythorbate and in a time shorter than that in the conventional method, and the highly safe sodium erythorbate can be produced because of extremely little fear of emergence of microorganisms in crystallization.
      SOLUTION: The method for producing the sodium erythorbate comprises (1) a step for crystallizing the sodium erythorbate by adding a liquid hardly dissolving the sodium erythorbate to a solution of the sodium erythorbate, and (2) a step for separating the crystal of the crystallized sodium erythorbate.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 待解决的问题:提供一种生产异抗坏血酸钠的方法,通过该方法可以以比常规生产异硫氰酸钠的方法更高的产率生产异抗坏血酸钠,并且在比常规方法短的时间内 ,并且可以生产高度安全的异抗坏血酸钠,因为对结晶中微生物的出现的恐惧极少。 解决方案:制备异抗坏血酸钠的方法包括:(1)通过将几乎不溶于异抗坏血酸钠的液体添加到异抗坏血酸钠的溶液中来结晶异硫氰酸钠的步骤,和(2)分离晶体的步骤 的结晶的异抗坏血酸钠。 版权所有(C)2005,JPO&NCIPI