Process for producing aldonic acids and starch sugars containing aldonic acids
    71.
    发明授权
    Process for producing aldonic acids and starch sugars containing aldonic acids 失效
    生产含有酸的酸和淀粉糖的方法

    公开(公告)号:US3862005A

    公开(公告)日:1975-01-21

    申请号:US29230172

    申请日:1972-09-26

    申请人: HAYASHIBARA CO

    摘要: A process is disclosed for conversion of monosaccharides, disaccharides and trisaccharides into aldonic acids by means of dehydrogenase enzyme containing cells without a hydrogen acceptor and without the nutrients and conditions necessary for cell growth. High purity maltobionic and lactobionic acids may be formed thereby during the manufacturing process of the disaccharide. Glucose, maltose and maltotriose in starch syrups of varying compositions may also be so converted to their corresponding aldonic acids.

    摘要翻译: 公开了通过不含氢受体的含脱氢酶的细胞将单糖,二糖和三糖转化成醛糖酸的方法,并且没有细胞生长所必需的营养和条件。 因此,可以在二糖的制造过程中形成高纯度的麦芽糖双酯和乳糖酸。 不同组成的淀粉糖浆中的葡萄糖,麦芽糖和麦芽三糖也可以转化为相应的醛糖酸。

    Method for the preparation of N-glycolyl neuraminic acid from Cucumaria
echinata
    80.
    发明授权
    Method for the preparation of N-glycolyl neuraminic acid from Cucumaria echinata 失效
    从黄瓜科制备N-羟乙酰神经氨酸的方法

    公开(公告)号:US6143533A

    公开(公告)日:2000-11-07

    申请号:US525323

    申请日:2000-03-13

    CPC分类号: C12P7/58

    摘要: Disclosed is an efficient and economical method for the preparation of N-glycolyl neuraminic acid in a high purity from an inexpensive abundant source material. The method comprises dispersing body tissues of an echinodermatous marine animal Cucumaria echinata in an aqueous medium, preferably, using a dry powder of the tissues prepared in advance, in which the tissues are proteolytically decomposed to isolate N-glycolyl neuraminic acid in the form of an aqueous solution containing polypeptides as a by-product, followed by separation of N-glycolyl neuraminic acid from the aqueous solution by removing the polypeptides and purification of the compound in a process utilizing an ion-exchange treatments.

    摘要翻译: 公开了一种从廉价丰富的原料制备高纯度的N-羟乙酰神经氨酸的有效和经济的方法。 该方法包括将棘皮动物海洋动物黄瓜(Cucumaria echinata)的身体组织分散在水性介质中,优选使用预先制备的组织的干粉末,其中组织被蛋白水解分解以分离出N-羟乙酰神经氨酸 水溶液,其含有作为副产物的多肽,随后通过在使用离子交换处理的方法中除去多肽和化合物的纯化从水溶液中分离N-羟乙酰神经氨酸。