The existence of cyclodextrin can cause hypochromic effect and a little red shift in the UV spectra of Oleanolic Acid and Ursolic Acid.
环糊精的加入会使齐墩果酸和熊果酸的紫外吸收图谱产生减色效应,并伴随轻微的红移;Reasonable exploitation and the application have been provided the scientific basis for oleanolic acid from Chinese flowering quince.
为木瓜齐墩果酸的合理开发和应用提供了科学的依据。The oleanolic acid had certain correlativity with latitude and longitude but other components had no correlativity.
与地理、气候因子进行相关性分析,表明齐墩果酸与纬度、经度有一定相关性,而其它成分的相关性不大。Compared to crude drug powder, the solubility and dissolution of drug nanoparticles were evidently improved.
纳米化齐墩果酸的溶解度及药物溶出速率得到明显提高。Methods: UV-visible spectrophotometry was adopted to determine the dissolution of Oleanolic acid in Zhentangkang capsule.
方法:以紫外-可见分光光度法测定了齐墩果酸的含量。The solubility and dissolution of drug nanoparticles were also investigated.
并研究纳米化齐墩果酸的溶解度及体外溶出行为。Results: Silica gel column chromatography to get two compounds. Conclusion: The two monomers are Oridonin and Oleanolic acid.
结论:分离得到的两个单体化合物分别是冬凌草甲素、齐墩果酸。Objective: To establish a method of determining the dissolution in Zhentangkang capsule by UV- visible spectrophotometry for Oleanolic acid.
前言:目的:建立贞糖康胶囊中齐墩果酸溶出度的测定方法。Method: UV-visible spectrophotometry was adopted to deter- mine the dissolution of Oleanolic acid in Zhentangkang capsule.
方法:以紫外-可见分光光度法测定齐墩果酸的含量。