关键词：脂肪酶催化；甘露糖酯；薄层层析；硅胶柱层析；液质联用 [gap=1336]Key words： lipase-catalyzed； lauroyl mannoses； TLC； silica gel chromatography； HPLC-MS
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...；此法的产物含有脂肪酸甲基酯、TG 及微量的二酸甘油酯，不易以一般方法如液- 液萃取法或矽胶层析法(Silica Gel Chromatography)來纯化产物，需以含银離子的层析管柱 (Silver Resin Chromatography)方能分離得到所要的TG。
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silica gel column chromatography 硅胶柱色谱法 ; 硅胶柱层析
Silica gel for column chromatography 细孔柱层析硅胶 ; 粗孔柱层析硅胶 ; 大孔柱层析硅胶
silica gel thin-layer chromatography 硅胶薄层层析
ColuMn chroMatography on silica gel 柱层析硅胶
Silica gel for chromatography 层析硅胶
Silica gel for shallow-layer chromatography 薄层层析硅胶
silica gel column chromatography separation 硅胶柱层析分离
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Some fractions with low molecular weight have been obtained by silica gel chromatography separation of Pingshuo coal extracts.
用硅胶色谱柱将平朔烟煤吡啶抽提物分离成八种不同馏分。
MethodsThe chemical constituents were isolated and purified with silica gel chromatography, their structures were determined by spectral analysis and chemical evidence.
方法利用各种色谱技术进行分离纯化，根据化合物的理化性质和光谱数据进行结构鉴定。
The cultural fruiting bodies of the Gymnopilus spectabilis were phytochemical investigated using layer extracts with petroleum ether, diethyl ether, methanol and water and silica gel chromatography.
本研究采用石油醚、乙醚、甲醇、水溶剂梯度提取法和多种柱层析法，对栽培橘黄裸伞子实体进行了化学研究。
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