Results 81 to 90 of about 746 (163)

New Extraction Technologies and Separation with High-speed Countercurrent Chromatography of the Active Constituents from Licorice [PDF]

open access: yes, 2004
中药有效成分研究是中药物质基础研究的主要内容之一,如何将已知或未知的有效成分高效率地提取出来则是中药有效成分研究的关键所在,也是中药开发和中药现代化研究的关键技术之一。目前中药物质基础研究中存在的最大问题是缺乏客观、定量的品质标准和用药依据,因此,提取、分离、纯化中药的主要活性成分,是现阶段中药基础性研究的核心。基于此,本论文工作以中药甘草为研究对象,探索了更有效的中药有效成分的提取、分离和纯化方法,发展了甘草有效成分的微波辅助提取和多级逆流提取两种新型的提取技术以及高速逆流色谱(HSCCC ...
王巧娥
core  

Preparative Purification of Bioactive Compounds from Flos Chrysanthemi Indici [PDF]

open access: yes, 2016
To understand the material basis and underlying molecular machinery of antiosteoporosis activity of the Flos Chrysanthemi Indici (FCI), the consequences of ethanol extract on the bone loss in mice induced due to ovariectomy (OVX) was evaluated. Also, the
Jia Li   +6 more
core   +2 more sources

Cromatografia Contracorrente: Princípios e Aplicações [PDF]

open access: yes, 2018
Introdução: Esta revisão aborda a cromatografia contracorrente, técnica utilizada para separação em que são utilizadas duas fases líquidas imiscíveis, compostas por uma mistura de solventes.
Büttenbender, Sabrina Laíz   +2 more
core  

New 3-Deoxyanthocyanidins from Leaves of Arrabidaea chica [PDF]

open access: yes, 2002
[EN]Two new 3-deoxyanthocyanidins, 6,7,3 ,4 -tetrahydroxy-5-methoxyflavylium and 6,7,4 -trihydroxy-5- methoxyflavylium, and the pigment carajurin, which has been previously identified, were isolated from dried leaves of Arrabidaea chica, a creeper ...
Beatriz, Devia   +3 more
core   +1 more source

Capparis cartilaginea decne (capparaceae): isolation of flavonoids by high-speed countercurrent chromatography and their anti-inflammatory evaluation. [PDF]

open access: yesFront Pharmacol, 2023
Alsharif B   +6 more
europepmc   +1 more source

An effective universal protocol for the extraction of fructooligosaccharide from the different agricultural byproducts. [PDF]

open access: yesMethodsX, 2023
Chelliah R   +9 more
europepmc   +1 more source

Anti-inflammatory Mechanism of a Diterpenoid, Ebractenoid F, Isolated from Euphorbia ebracteolata Hayata [PDF]

open access: yes, 2018
학위논문 (석사)-- 서울대학교 대학원 : 약학대학 약학과, 2018. 2. 김영식.Euphorbia ebracteolata Hayata, belongs to Euphorbiaceae, is widely distributed through the south of China. In the traditional chinese medicine (TCM), the roots of E.
마상연
core  

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