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The crude products were purified by neutral alumina column Chromatography with dichloromethane containing pyridine as eluent. 用中性氧化铝柱层析法对粗产物进行分离提纯,用含一定量吡啶的二氯甲烷溶液作为洗脱剂。
Keywords Benzo[a]pyrene;Natural tocopherol;Alumina column chromatography;HPLC; 苯并[a]芘;天然生育酚;氧化铝柱色谱;高效液相色谱;
Keywords soybean phosphatidylcholine （PC）;silica column chromatography;alumina column chramatograhpy;vacuum freeze-drying; 大豆卵磷脂;硅胶柱层析;氧化铝柱层析;真空冷冻干燥;
Alumina column chromatography 氧化铝柱色谱
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.
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。
Effect of elution phase composition on the elution characteristics of phospholipids on the alumina column was experimentally studied. 开展了不同洗脱液组成对氧化铝柱上磷脂洗脱曲线影响的实验研究。
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。