Results 41 to 50 of about 1,452 (205)

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.
Kostadinovic Velickovska, Sanja, Bogeva, Elena, Velickovska, Sanja Kostadinovic, Mirhosseini, Hamed   +3 more
core   +1 more source

(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

Comprehensive Polyphenolic Profile of Plantago depressa using High-Speed Countercurrent Chromatography Off-line with High-Performance Liquid Chromatography–Diode Array Detector–Quadrupole Time-of-flight Tandem Mass Spectrometry

eFood, 2019
The whole plant of Plantago depressa is commonly used as traditional Chinese medicine and functional food ingredient. Total phenolic content and total flavonoid content evaluation indicated that its ethyl acetate and n-butanol fractions were rich in ...
Jinju Xu, Chaoying Tong, Qiachi Fu, Keke Guo, Shuyun Shi, Yecheng Xiao   +5 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

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

Countercurrent chromatography in analytical chemistry (IUPAC technical report)

, 2009
© 2009 IUPACCountercurrent chromatography (CCC) is a generic term covering all forms of liquid-liquid chromatography that use a support-free liquid stationary phase held in place by a simple centrifugal or complex centrifugal force field. Biphasic liquid
Sutherland, IA, Ian A. Sutherland, Tatyana Maryutina, Maryutina, T, Spivakov, B, Boris Spivakov, Shpigun, O, Berthod, A, Alain Berthod, Oleg Shpigun   +9 more
core   +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

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

Isolation and identification of highly active anticholinesterase ingredients from fermented soybean products

CyTA - Journal of Food, 2017
Inhibitory activities of ethanol extracts from seven fermented soybean products, including douchi, sufu, stinky tofu, to acetylcholinesterase were determined, and crude extract from Yongchuan douchi, which showed the strongest inhibitory effect, was ...
Yunbin Zhang, Mengyue Wei, Weidi Li, Yifei Wang, Jingwen Wang   +4 more
doaj   +1 more source

Continuous Purification of mRNA Produced by In Vitro Transcription Using High Performance Countercurrent Membrane Purification

Biotechnology and Bioengineering, EarlyView.
ABSTRACT Messenger ribonucleic acid (mRNA) therapeutics produced by in vitro transcription must be purified to remove residual enzymes and free nucleotides. This study examines the use of high‐performance countercurrent membrane purification (HPCMP) for the purification of mRNA therapeutics based on differences in the rate of diffusion across ...
Ziqiao Wang, Amin Javidanbardan, Ali Behboudi, Andrew L. Zydney   +3 more
wiley   +1 more source