Results 21 to 30 of about 16,785,729 (104)

Developments of instruments and methods related with high-speed countercurrent chromatography and their applications in research of natural medicines

Open Chemistry, 2012
High-speed countercurrent chromatography (HSCCC) is a liquid-liquid separation chromatographic technique which uses no solid supporting medium. During its rapid development in the last 30 years, great progress has been made in the instrumentation, the ...
Yao Shun, Cao Yu, Jia Chun-mei, Wang Yan, Song Hang   +4 more
doaj   +2 more sources

(6,9)-6″-(4″-Hydroxybenzoyl)-Roseoside, a New Megastigmane Derivative from and its Effect on Hepatic Glucose-6-phosphatase

Natural Product Communications, 2012
A new megastigmane derivative, (6 R ,9 S )–6′-(4″-hydroxybenzoyl)-roseoside ( 1 ) and two known compounds, the biflavoneagathisflavone ( 2 ) and 4-hydroxy-benzoic acid ( 3 ) were isolated and purified from leaves and stems of Ouratea polyantha Engl ...
Jairo Bermúdez, María Rodríguez, Masahisa Hasegawa, Freddy González-Mujica, Sandra Duque, Yoichiro Ito   +5 more
doaj   +1 more source

Research Progress on Extraction, Separation, Purification and Detection Technology of Limonins in Citrus

Shipin gongye ke-ji, 2023
Citrus is the largest fruit in the world, and a large number of citrus processing by-products are produced every year. These by-products are rich in limonoids, which have many physiological functions such as anti-tumor, anti-inflammatory and anti-virus ...
Yemei WANG, Jiangnan LI, Huiping YIN, Yaohai ZHANG, Aihua CHEN, Xuesu SU, Bining JIAO   +6 more
doaj   +1 more source

Anti-Inflammatory Activity of Four Triterpenoids Isolated from Poriae Cutis

Foods, 2021
In this study, triterpenoid compounds from Poriae Cutis were separated by high-speed countercurrent chromatography (HSCCC) and identified using ultra-high performance liquid chromatography quadrupole time-of-flight tandem mass spectrometry (UHPLC-QTOF-MS/
Lijia Zhang, Mengzhou Yin, Xi Feng, Salam A. Ibrahim, Ying Liu, Wen Huang   +5 more
doaj   +1 more source

HSCCC Separation of the Two Iridoid Glycosides and Three Phenolic Compounds from Veronica ciliata and Their in Vitro Antioxidant and Anti-Hepatocarcinoma Activities

Molecules, 2016
Five main compounds, including two iridoid glycosides (catalposide, verproside) and three phenolic compounds (luteolin, 4-hydroxy benzoic acid, 3,4-dihydroxy benzoic acid), were separated and prepared from the crude extract of Veronica ciliata by high ...
Qiuxia Lu, Yiran Sun, Yueyue Shu, Shancai Tan, Li Yin, Yiran Guo, Lin Tang   +6 more
doaj   +1 more source

Characterization, Large-Scale HSCCC Separation and Neuroprotective Effects of Polyphenols from Moringa oleifera Leaves

Molecules, 2022
Moringa oleifera leaves have been widely used for the treatment of inflammation, diabetes, high blood pressure, and other diseases, due to being rich in polyphenols.
Qian Gao, Zongmin Wei, Yun Liu, Fang Wang, Shuting Zhang, Carmo Serrano, Lingxi Li, Baoshan Sun   +7 more
doaj   +1 more source

Isolation of anthocyanins by high-speed countercurrent chromatography and application of the color activity concept to different varieties of red grape pomace from Macedonia. [PDF]

, 2013
Anthocyanins of Macedonian grape pomace from three varieties “Pinot noir”, “Merlot” and “Vranec” were isolated by high speed countercurrent chromatography.
Bogeva, Elena, Velickovska, Sanja Kostadinovic, Mirhosseini, Hamed   +2 more
core   +1 more source

Advanced modelling and visualisation of liquid-liquid separations of complex sample components, with variable phase distribution and mode of operation [PDF]

, 2013
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.This research is about liquid-liquid chromatography modelling.
De Folter, Jozefus Johannes Martinus
core   +6 more sources

Separation and Biological Activities of the Main Compounds from the Bark of Myrica rubra Siebold & Zucc

Separations, 2023
Myrica rubra (Lour.) Siebold & Zucc bark is a traditional natural medicine used by the people of the Dong minority in western Hunan in China. In this study, the main compounds in Myrica rubra bark including epigallocatechin gallate, myricetrin, myricetin,
Tianyang Hao, Lingyang Fan, Yiyue Chang, Hui Yang, Kai He   +4 more
doaj   +1 more source

Total Triterpenoid Extraction from Inonotus Obliquus Using Ionic Liquids and Separation of Potential Lactate Dehydrogenase Inhibitors via Ultrafiltration High-Speed Countercurrent Chromatography

Molecules, 2021
Extracts of the fungus Inonotus obliquus exhibit cytotoxic properties against different cancers; hence, this fungal species has been extensively studied. This study aimed to extract total triterpenoids from Inonotus obliquus using ionic liquids (ILs) and
Yueqi Wang, Liping Guo, Chunming Liu, Yuchi Zhang, Sainan Li   +4 more
doaj   +1 more source