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- Endogenous hormones IAA, ZR, GA3 and ABA in methanol extract of Rosa rugosa C. 摘要对平阴玫瑰花芽分化期叶片甲醇提取物进行IAA、ZR、GA3、ABA的分离、纯化和测定。
- Objective To study the anti-tumor mechanisms of the methanol extract of Stellera chamaejasme L. 目的研究瑞香狼毒甲醇提取物的抗瘤机理。
- So the methanol extract of H. leucopus Pers. showed a certain extent antioxidant effect in vitro. 因此裂盖马鞍菌甲醇提取物具有一定的体外抗氧化活性。
- To research the industrial methods of isolating icariin from methanol extract of Herba Epimedii, four separation methods were designed and tested. 以淫羊藿甲醇粗提物为原料,以研究规模化分离提纯淫羊藿苷的方法为目的,研究了4种分离方法的分离效果和可行性。
- Moreover in the mice experiment, the methanol extract from Cordyceps sp. reduced the swelling by inflammation and also had antinociceptive activity. 在小鼠实验中虫草甲醇萃取物亦可降低发炎反应所引起的水肿并具有抗镇痛作用。
- Using growth rate methods, biological activity of Alocasia odora methanol extract were assayed against 15 kinds of fungi, such as Rhizoctonia solani. 采用生长速率法测定了海芋的不同部分甲醇提取物对水稻纹枯病菌等15种植物病原真菌的生物活性。
- Purpose.The present study investigated the hypolipidemic effect of methanol extract of Leonuri Herba (LH) on hyperlipidemic (HYP) rates fed a high cholesterol diet. 摘要目的本研究探讨益母草甲醇粗抽物对高胆固醇饮食诱导高脂血症大鼠降血脂之作用。
- L-ascorbyl palmitate in the methanol extract is hydrolyzed under acid condition,and 2,6-dichlorophenol indophenol sodium solution is titrated with the hydrolysate. 用甲醇对油样中L-抗坏血酸棕榈酸酯进行提取,对提取物在酸性条件下水解,用水解产物对2,6-二氯酚靛酚钠溶液进行滴定。
- Methods:From the differences in HPLC fingerprints of blank serum,serum containing drug and methanol extract,the active components in Fructus psoraleae were screened and analyzed. 方法:通过比较空白血清、含药血清、甲醇提取物HPLC图谱的差异,对补骨脂的活性成分进行快速筛选和分析。
- Results: The characteristic peaks appeared repeatedly in Fructus psoraleae-containing serum, and the retention time was the same as that in the methanol extract. 结果:含药血清有重复出现的特征峰,与甲醇提取液的图谱对比在相应保留时间出峰,紫外光谱类似。
- Eight groups were separated from the methanol extract,and the first two groups showed the best inhibition effect on the alga comparing with the other groups,with inhibition rate up to 99.85% and 99.26% respectively. 进一步对甲醇提取物进行分离得到8个组分;每个组分都表现出了抑藻活性;其中前两个组分抑藻活性最大;达99.;85%25和99
- Methanol extract of Lycium barbarum L.was refluxed and the content of betaine was determined separately by spectrophotometry and HPLC with NH2 stationary phase without derivatization of betaine. 试验采用甲醇加热回流提取枸杞甜菜碱,分光光度法和NH2柱未经衍生高效液相色谱法分别测定甜菜碱含量。
- Methanol extract of Lycium barbarism L. was refluxed and the content of betaine was determined separately by spectrophotometry and HPLC with NH2 stationary phase without derivatization of betaine. 试验采用甲醇加热回流提取枸杞甜菜碱,分光光度法和NH2柱未经衍生高效液相色谱法分别测定甜菜碱含量。
- Four extracts of petroleum ether, ethyl acetate, n-butanol and water were obtained from the methanol extract of the root bark in Periploca sepeium. 杠柳根皮甲醇提取浓缩物的水悬浮液经石油醚、乙酸乙酯、正丁醇不同极性溶剂萃取后,得到石油醚、乙酸乙酯、正丁醇和水的四种不同萃取物。
- In comparison, the leaves and roots exhibited potent AOP in the 20, 40 and 60% methanol extracts. 此外,以20、40和60%25 的甲醇溶液萃取所得的叶片和气生根萃取物,具有较高的总抗氧化力。
- Petroleum ether extract,ether acetate extract,methanol extract,alkaloids and non-alkaloids of Cynanchum komarovii were tested for insecticidal ,fungicidal and herbicidal activities. 测定了牛心朴子石油醚提取物、乙酸乙酯提取物、甲醇提取物、生物碱、非生物碱5部分杀虫、抑菌、除草活性。
- Methods: From the differences in HPLC fingerprints of blank serum, serum containing drug and methanol extract, the active components in Fructus psoraleae were screened and analyzed. 方法:通过比较空白血清、含药血清、甲醇提取物HPLC图谱的差异,对补骨脂的活性成分进行快速筛选和分析。
- Gradient elution HPLC was used to analyze methanol extracts from white muscardine silkworm,and analyzed the data of their fingerprints by similarity. 采用梯度洗脱高效液相色谱法对获取的指纹图谱数据进行相似度分析,建立了白僵蚕的指纹图谱。
- Immunoreactive (TRH) has been detected in acid and methanol extracts of hepatopancreas, in grass shrimp (black tiger prawn, Penaeus monodon). 摘要本研究以放射免疫法测得草虾肝胰脏之盐酸或甲醇萃取物中,含有类似甲释素之免疫活性。
- In this paper the optimum developing system of TLC of Potentilla Discolor Bunge's methanol extracts were studied by the uniform design method. 采用均匀设计法对翻白草甲醇提取物的石油醚和氯仿萃取组分的薄层展开剂进行了优化选择.