Results 31 to 40 of about 530,368 (183)

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

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  

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

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

Application of commercial ultrafiltration membranes for protein purification by high performance countercurrent membrane purification (HPCMP)

Biotechnology Progress, EarlyView.
Abstract High performance countercurrent membrane purification (HPCMP) has emerged as a promising diffusive separation strategy for the purification of recombinant proteins and monoclonal antibodies (mAbs). However, prior studies employed dialysis membranes, which are designed for diffusive separations but have not been validated for biopharmaceutical ...
Aylin Mohammadzadehmarandi, Nate Heller, Mohammadreza Ahmadimashhadi, Jon Petrone, Nicholas Marchand, Siavash Darvishmanesh, Ka Zhang, Stefano Menegatti, Andrew L. Zydney   +8 more
wiley   +1 more source

Enantioseparation using a counter-current bioreactor [PDF]

, 2011
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.The potential of countercurrent chromatography (CCC) as a small footprint bioreactor/separator for manufacture of enantiopure chiral molecules was explored,
Grudzien, Lukasz
core   +7 more sources

Advances in Anthocyanin Recovery and Purification From Natural Sources: Bioavailability, Mechanistic Action in the Human Body and Applications in Novel Food Development

Food Chemistry International, EarlyView.
This review highlights green recovery, purification, stabilisation, bioavailability, health relevance, and novel food applications of anthocyanins from natural and agro‐industrial sources. ABSTRACT Anthocyanins are water‐soluble natural pigments and multifunctional food ingredients that support clean‐label colour, antioxidant activity, and value‐added ...
Chandan Kumar Sahu, Soumitra Banerjee, Venkata Krishna Bayineni, Ravi‐Kumar Kadeppagari, Amit Arora   +4 more
wiley   +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