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- Methods The EtOH extract of radixes of Daphne genkwa was initially separated with silica gel chromatography eluted by petrol/acetone gradient. 方法 芫花根醇提物以硅胶柱层析 ,石油醚 /丙酮梯度洗脱。
- Methods The optimal elution requirement was found by comparing several different elution agents, and the pure compound was purified by silica gel column and gel chromatography. 方法通过最佳展开剂的选择，找到硅胶柱色谱系统的最佳洗脱条件，粗分离后的供试品通过凝胶柱色谱系统分离纯化得到纯供试品。
- Keywords lipase-catalyzed;lauroyl mannoses;TLC;silica gel chromatography;HPLC-MS; 脂肪酶催化;甘露糖酯;薄层层析;硅胶柱层析;液质联用;
- silica gel chromatography 硅胶色层法
- The crude oil is chromatographed over silica gel. 粗制油状物用硅胶进行色谱分离。
- 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。
- 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。
- 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。
- Conclusion Chrysophanol and physcion could be effectively separated by silica gel column chromatography. 结论硅胶柱色谱可以实现大黄酚和大黄素甲醚的高效分离；
- The results were: 1.Formononetin was separated by optimized chromatography method with silica gel column. 2. 结果如下： 1.;优化硅胶层析柱法，从红车轴草中分离出刺芒柄花素。
- In conclusion,the separation method of silica gel column chromatography applied in this experiment can be used to gain highly purified prod... 结论:采用的硅胶柱层析分离纯化可得到纯度较高的分离组分。
- Methods: Silica gel column chromatography and crystallization were used to obtained gardenoside from Gardenia jasminoides. 方法：利用柱层析、重结晶从山栀子的成熟果实中进行分离纯化栀子苷。
- The extracts were eluted by 70%,80%,90%ethanol solutions in order in silica gel column chromatography and the refined flovonoids solution was obtained. [方法]采用乙醇回流法提取云南13种蕨类植物根状茎(根)及叶中的总黄酮,经硅胶柱层析,依次用浓度70%25、80%25、90%25的乙醇溶液洗脱,得到精制黄酮溶液,利用紫外光分光光度法测定总黄酮的含量。
- The purity of isoquercitrin was isolated with a silica gel column. 酶反应产物用硅胶柱层析法提取,可以得到高纯度的异槲皮甙。
- The handpiece cable is made from silica gel tube,soft and durable. 换能器尾线采用进口材料硅胶管，柔软耐用。
- Method Compounds were extracted by 90% ethanol-petroleum ether and acetoacetate,then purified by silica gel column chromatography. 方法采用硅胶柱层析进行分离纯化,根据理化性质和波谱学数据进行结构鉴定。
- Coenzyme Q10 is obtained through saponification, extraction with petroleum benzine, chromatography with silica gel and crystallization with ethanol. 采用醇碱皂化法，经石油醚萃取、硅胶柱层析，无水乙醇结晶、重结晶得到辅酶Q10。
- The interspace of aggregation of colloidal particle forms the inner micro interspace structure of reagent column chromatography silica gel particle. 胶体粒子的集合体的间隙形成试剂柱层析硅胶颗粒内部的微孔隙结构。
