Results 21 to 30 of about 1,990 (174)

Mexican Native Black Bean Anthocyanin-Rich Extracts Modulate Biological Markers Associated with Inflammation

Pharmaceuticals, 2023
This work aimed to obtain and characterize anthocyanin-rich extracts (ARE) from native black beans and evaluate their antioxidant and anti-inflammatory potential. The initial extract was obtained by supercritical fluids (RE) and purified using Amberlite®
Jonhatan Contreras, Montserrat Alcázar-Valle, Eugenia Lugo-Cervantes, Diego A. Luna-Vital, Luis Mojica   +4 more
doaj   +1 more source

Evaluation of Inter-Apparatus Separation Method Transferability in Countercurrent Chromatography and Centrifugal Partition Chromatography

Separations, 2019
In the countercurrent chromatography and centrifugal partition chromatography, separation method transfer and scale-up is often described as an easy and straightforward procedure.
Simon Roehrer, Mirjana Minceva
doaj   +1 more source

Preparative Isolation of Antimycobacterial Shoreic Acid from by High Speed Countercurrent Chromatography

Natural Product Communications, 2008
High speed countercurrent chromatography (HSCCC) was used to isolate the dammarane type triterpene shoreic acid from the dichloromethane extract of leaves of Cabralea canjerana , which showed activity against Mycobacterium tuberculosis .
Gilda G. Leitão, Lisandra F. Abreu, Fernanda N. Costa, Thiago B. Brum, Daniela Fernandes Ramos, Pedro Eduardo A. Silva, Maria Cristina S. Lourenço, Suzana G. Leitão   +7 more
doaj   +1 more source

Separation and Purification with a Liquid Stationary Phase

Separations, 2017
Yoichiro Ito introduced countercurrent chromatography (CCC) in 1966, reporting the separation of blood plasma cells with a sealed helical tube. Since then, CCC has been a fertile ground for instrumental and technical innovation. The key innovation of CCC
Alain Berthod
doaj   +1 more source

Recent Advances in Separation and Analysis of Saponins in Natural Products

Separations, 2022
To better control the quality of saponins, ensure their biological activity and clinical therapeutic effect, and expand the development and application of saponins, this paper systematically and comprehensively reviews the separation and analytical ...
Yi Wang, Yan Ma, Li Tao, Xiaoyan Zhang, Fusheng Hao, Shipeng Zhao, Lu Han, Changcai Bai   +7 more
doaj   +1 more source

Methodology for Porphyrin Isolation by High-Performance Countercurrent Chromatography

Natural Product Communications, 2014
Countercurrent chromatography is a versatile technique for the isolation of a wide variety of plant substances. However, little attention has been devoted to the application of this technique for the isolation of porphyrins.
Amaro C. Ramos, Fernanda S. Neves, Maria Raquel G. Vega, Edmilson J. Maria, Rodrigo R. Oliveira’   +4 more
doaj   +1 more source

Rutamarin: Efficient Liquid–Liquid Chromatographic Isolation from Ruta graveolens L. and Evaluation of Its In Vitro and In Silico MAO-B Inhibitory Activity

Molecules, 2020
Naturally occurring coumarins are a group of compounds with many documented central nervous system (CNS) activities. However, dihydrofuranocoumarins have been infrequently investigated for their bioactivities at CNS level. Within the frame of this study,
Ewelina Kozioł, Simon Vlad Luca, Hale Gamze Ağalar, Begüm Nurpelin Sağlık, Fatih Demirci, Laurence Marcourt, Jean-Luc Wolfender, Krzysztof Jóźwiak, Krystyna Skalicka-Woźniak   +8 more
doaj   +1 more source

Research Progress in the Separation of Chemical Components from Essential Oils by High-Speed Countercurrent Chromatography

Separations
Essential oils (EOs) are vital secondary metabolites in plants. They have garnered substantial attention owing to their distinct flavors and desirable attributes, including potent antioxidant, antibacterial, and antitumor properties.
Linhong He, Zihao Zhong, Lijuan Zhang, Xi Bai   +3 more
doaj   +1 more source

The isolation of (6S, 9S)-cyclo(prolylvalyl) from marine actinomycete, by use of high speed countercurrent chromatography [PDF]

Journal of the Serbian Chemical Society, 2002
The marine actinomycete B 1758 came from the actinomycete collection of the Alfred Wegener Institute for Polar and Marine Research in Bremerhafen, Germany. 1.079 g of raw extract was obtained by fermentation.
SINISA DJORDJEVIC, ANDRIJA SMELCEROVIC, MIRKO SCHIEBEL   +2 more
doaj  

Preparative separation of polyphenols from artichoke by polyamide column chromatography and high-speed counter-current chromatography

Química Nova, 2013
An efficient method for the rapid separation and purification of polyphenols from artichoke by polyamide column chromatography in combination with high-speed counter-current chromatography (HSCCC) was successfully built.
Xikai Shu, Mei Wang, Daicheng Liu, Daijie Wang, Xiaojing Lin, Jianhua Liu, Xiao Wang, Luqi Huang   +7 more
doaj   +1 more source