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- layered column chromatography 层叠式柱色谱
- Four compounds were isolated from Adina rubella Hance with methods of column chromatography, thin layer chromatography and recrystallization. 采用柱色谱、薄层层析、重结晶等现代分离、分析和纯化手段，从水杨梅的乙醇提取物中分离得到四个化合物和两个混合物。
- Galangin was obtained by on-step column chromatography of polyamide only once. 运用聚酰胺柱层析－次分离，获得有效成分高良姜素。
- Its homogeneity was identified with Sepharose 6B column chromatography. 紫外光谱显示它不含蛋白质、多肽及核酸。
- Methods: To isolate compounds from EtOAc extracts of Daphne Genkwa by Thin Layer Chromatography(TLC) and silica gel and Toyopearl HW-40 column chromatography and to identify the compounds by chemical and spectral methods. 方法:将芫花叶乙酸乙酯萃取物利用硅胶柱和Toyopearl HW-40(C)柱层析法分离黄酮类化学成分,利用化学反应及HNMR谱鉴定其结构。
- METHODS: The compounds were separated by solvent extraction, column chromatography and thin layer chromatography on silica gel and their structures were elucidated by spectroscopic means. 方法:采用溶剂萃取、柱层析和薄层层析方法分离目标化合物,并用波谱学方法完成化合物的结构分析与鉴定。
- In this paper, we extracted the antioxidative substance from Alpinia oxyphylla Miquel by using column chromatography. 摘要探讨了干柱层析法分离益智渣及益智乙醇提取物的抗氧化成分。
- METHODS: Alcoholic extraction, silica gel, ODS column chromatography and recrystallization were used. 方法:采用工业酒精提取、胶柱层析、DS柱层析和重结晶等方法。
- METHODS CTX-d was fractionated and purified from Naja naja atra venom by column chromatography and RP-HPLC. 方法应用柱层析及RP-HPLC,从眼镜蛇毒粗毒中分离纯化细胞素素(CTX)。
- Results Galangin was obtained by on-step column chromatography of polyamide only once. 结果运用聚酰胺柱层析-次分离，获得有效成分高良姜素。
- Objective To separate flavonol and flavanonol by the column chromatography of polyamide. 目的采用聚酰胺柱色谱分离黄酮醇与二氢黄酮醇类化合物。
- To set up a sephadex column chromatography method for the determination of polymer impurity in cefotetan disodium. 目的建立葡聚糖凝胶色谱法测定头孢替坦二钠中聚合物的方法。
- Results Pure flavonol and flavanonol were obtained by the column chromatography of polyamide. 结果运用聚酰胺柱色谱法一次分离得高纯度黄酮醇与二氢黄酮醇。
- The molecular weight of the antibiotic substance is 48000 Dalton,tested by sephadex-G75 gel column chromatography. 而且用Sephadex－G75凝胶柱层析法测得抗生物质的分子量为48000道尔顿
- Conclusion: Silica gel column chromatography and crystallization are simple and rapid methods to isolate gardenoside. 结论:柱层析和重结晶方法是简单、速分离栀子苷的有效办法。
- The extract was further purified by column chromatography to get the acicular crystals of reserpine of 99. 将萃取所得产物用硅胶柱色谱进一步分离提纯;得到了质量分数为99.;8%25的利血平针状结晶。
- Methods The compounds were isolated by silica gel column chromatography and identified by spec-tral analysis. 方法通过硅胶柱色谱法分离纯化化合物,谱学方法鉴定其结构。
- Then the extracted material was sequently filtered and sperated by means of silica gel column chromatography. 提取物通过硅胶柱层析分离，得到无辣味的红色色素。
- Silica gel column chromatography was used to separate and purify total alkaloids from Fritillaria ussuriensis Maxim. 目的:对东北特产平贝母的生物碱进行分离纯化研究。
- Purification was then best achieved via flash column chromatography using basic alumina. 当时经净化达到最佳闪光柱层析用氧化铝基本.
