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- The raw materials of water-soluble Monascus pigment was separated and purified. 然后采用不同的方法对原材料水溶性红曲红色素进行分离纯化。
- With the method of complexing structure,amylose and amylopectin have been successively separated and purified. 以反复水洗法提取莲藕淀粉,采用络合结构法成功分离纯化直链淀粉和支链淀粉。
- Earthworm immune-active peptides were separated and purified and studied their effects on mouse macrophage s activity. 分离纯化免疫活性地龙肽并研究其对小鼠巨噬细胞活性的影响。
- Limit Test of Benzene-series Residues in the Total-saponins of Separated and Purified by Macro Reticular Resin from Panax quinque folium L. 大孔树脂提取西洋参总皂苷苯系残留限量检查。
- Raw dextran was separated and purified by multi stage ultrafiltration according to the different ranges of molecular weight. 通过采用分级超滤的方法以不同的分子质量范围对右旋糖酐粗品进行分离纯化,并分析右旋糖酐在不同分子质量范围内的分布。
- Methods The compounds were separated and purified by column chromatography and their structures were established by spectroscopic methods. 方法利用各种色谱法进行分离,根据理化性质和波谱数据鉴定结构。
- Starch from lotus root was separated by repeatedly water washing.With the method of complexing structure, amylose and amylopectin have been successively separated and purified. 摘要以反复水洗法提取莲藕淀粉,采用络合结构法成功分离纯化直链淀粉和支链淀粉。
- To prove up ulteriorly the components of ants,the author has separated and purified the polypeptides of Formica rufa Linnaeus and studied their biologic and officinal activities. 和红褐林蚁(Formica rufa Linnaeus)。
- Starch from lotus root was separated by repeatedly water washing.With the method of complexing structure,amylose and amylopectin have been successively separated and purified. 以反复水洗法提取莲藕淀粉,采用络合结构法成功分离纯化直链淀粉和支链淀粉。
- 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。
- Natural pyrethrins are a mixture of six active compounds, and because of the similarity of their structure, it's very difficult to be separated and purified. 摘要天然除虫菊酯含有6种有效成分,但结构相似,分离困难。
- It was showed that the component with different molecular weight can be separated and purified by filtrating membrane, and UF can be used as a preliminary measuring meth... 试验结果表明,超滤膜对沙丁鱼粗肽溶液中不同分子质量的组分具有分离纯化作用,超滤技术可以作为一种初步检测沙丁鱼粗肽溶液组分分子质量分布的手段。
- Herba Ephedrae was saturated with 0.5% hydrochloric acid, the extract was extracted with ether and chloroform respectively, from which ephedrine was separated and purified by column chromatography. 以0.;5%25盐酸浸泡麻黄草,分别用乙醚、氯仿萃取麻黄粗提物,通过柱色谱法分离提纯麻黄碱。
- Methods Total flavones were separated and purified from Artemisia anomala S. Moore by AB-8,D101,ADS-17 macroporous resin. Spectrophotometer was applied to quantify the total flavones. 方法应用溶剂萃取和AB-8、D101、ADS-17大孔树脂分别制备刘寄奴总黄酮,分光光度法测定总黄酮的含量;
- The main impurity involved in the synthesis of erythromycin oxime was separated and purified, which was identified as the very compound formed in the acidic hydrolysis of erythromycin A, i.e erythromycin A 8,9 dehydro 6,9 hemiketal. 分离和鉴定了在合成红霉素肟的过程中产生的一种主要杂质 ;通过 IR;UV;MS;1 H NMR和 1 3C NMR确证它和红霉素在酸性水解时生成的红霉素 A 8;9-脱水 - 6;9-半缩酮为同一化合物 .
- The authors have separated and purified four strains that can b e used to decompose the cellulose and starch at a great rate from the zymotic wa ste,starch factory's sludge and putrid haulm. 从发酵的垃圾、淀粉厂污泥、腐烂桔杆等样品中,分离、纯化、诱变、筛选出分解纤维素、淀粉能力较强的4种菌株,按不同比例混合制备出有机固体废物发酵剂。
- Human chorionoc gonadotrophin is separated and purified from the urine of pregnant wo-men by kaolin adsorption, ammonium acetate extraction and DEAE-cellulose chromatographiccolumn. 本文用高岭土吸附、醋酸铵抽提、DEAE-纤维素柱层析,从孕妇尿中分离纯化人绒毛膜促性腺激素。
- Herba Ephedrae was saturated with 0.5%hydrochloric acid, the extract was extracted with ether and chloroform respectively, from which ephedrine was separated and purified by column chromatography. 以0.;5%25盐酸浸泡麻黄草;分别用乙醚、氯仿萃取麻黄粗提物;通过柱色谱法分离提纯麻黄碱。
- METHODS:The constituents of caulis spatholobi were separated and purified with varied chromatographic techniques,and the structures were identified based on spectral data and chemical properties. 方法:利用多种柱色谱法进行分离纯化,根据光谱数据和化学方法进行结构鉴定。
- We optimized the conditions of reversed phase high performance liquid chromatography(HPLC),and separated and purified the six compounds by reversed phase HPLC from the pyrethrins oil. 本研究以除虫菊酯精油为原料,通过优化反相高效液相色谱分离条件,分离纯化了除虫菊酯6种有效成分,纯度均达到99%25。