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- 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 specimen was extracted by the macroreticular resin and silica gel column. 样品经大孔树脂柱、硅胶柱分离，然后用TLC进行鉴定合并。
- 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；
- Silica gel column separation method and spectrophotography were used to determine the content of urson in the preparation. 采用硅胶柱分离分光光度法,对制剂中所含熊果酸成分进行含量测定,结果含量测定的标准品线性关系好,检测数据稳定。
- 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: Sesquiterpene lactones were separated by the silica gel column and layer preparation, and the active substances were determined by HPLC. 方法:以硅胶柱层析结合薄层制备的方法,分离白术内酯等对照品,以HPLC法测定白术中活性成分的含量。
- 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。
- 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。
- 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。
- A method is described for successive purification of epigallocatechin gallate(EGCG)and epicatechin gallate(ECG)by medium-pressure silica gel column chromatography. 采用一种连续中压硅胶柱层析分离高纯度表没食子儿茶素没食子酸酯(EGCG)及表儿茶素没食子酸酯(ECG),原料为含量高于98%25的茶多酚。
- Two dioscin products and aglycone from enzyme reaction are separated and purified by silica gel column gradient elution with the solvent of chloroform and methanol. 摘要用柱层析法对穿山龙薯蓣皂苷酶解产物进行分离纯化（硅胶柱中以氯仿甲醇洗脱），得到2种单体皂苷和皂苷元。
- Pure TS99 could be obtained from pretreatment fermentation broth through macroreticular adsorbent, silica gel column chromatography and thin-layer chromatography. 发酵液经过预处理后，依次用大孔树脂吸附，硅胶柱吸附层析和薄层层析等分离方法即可获得农用抗生素TS99纯品。
- A white needle crystal was isolated and purified on systematic extraction of the alkaloid by silica gel column and gradient sublimation from Oxytropis glabra. 摘要采用生物?A系统提取、矽胶柱层析分离及梯度升华技术从小花棘豆干草粉中分离出一种白色针状结晶。
- Daqing crude oil was separated into tree components of asphaltene, polar fraction and remaining fraction with precipitation method and silica gel column. 用沉淀法和色谱分离法将大庆原油分离成沥青质、极性物和抽余油3部分。
- Volatile components were obtained from the stems and roots of Fibraurea recisa Pierre respectively by solvent extraction and eluted with petroleum ether on silica gel column. 通过溶剂法得到野生黄藤根和茎的挥发性成分,将该挥发性成分上硅胶柱,以石油醚完全洗脱,浓缩得浸膏;
