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DETECTION AND DETERMINATION OF DECHLOROGRISEOFULVIN IMPURITY IN GRISEOFULVIN
Author(s): 
Pages: 326-327
Year: Issue:  5
Journal: Chinese Journal of Antibiotics

Keyword:  去氯荧光斑点点样量抽提液紫外灯照射高压液相色谱法正已烷发酵产物文献报道无水乙醇提取;
Abstract: <正> Bailay等曾用高压液相色谱法从灰黄霉素发酵产物中分离出去氯灰黄霉素,二氢灰黄霉素、异灰黄霉素,脱氢灰黄霉素等杂质。本文介绍用硅胶G薄板层析,正已烷:乙酸乙酯(1:1)为溶剂层层,于波长254nm紫外灯照射产生荧光斑点检测国产灰黄霉素所含杂质。 一、去氯灰黄霉素的定性鉴别 1.菌丝丙酮抽提液: 薄板层析呈现9种不同颜色的荧光斑点(图1)。灰黄霉素产品点样量1009γ,可分离到4个荧光斑点(图2)。其中斑点2为灰黄霉素,斑点1、4的荧光强度均比较弱,斑点3为产品中的主要杂质。据文献报道去
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