Results 31 to 40 of about 1,915 (220)

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

open access: yesMolecules, 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   +4 more
doaj   +1 more source

Counter-current chromatography for the separation of terpenoids: A comprehensive review with respect to the solvent systems employed [PDF]

open access: yes, 2014
Copyright @ 2014 The Authors.This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.Natural ...
A Berthod   +172 more
core   +2 more sources

PREPARATIVE ISOLATION AND PURIFICATION OF CHEMICAL CONSTITUENTS OF BELAMCANDA BY MPLC, HSCCC, AND PREP-HPLC [PDF]

open access: yesJournal of Liquid Chromatography & Related Technologies, 2011
Combined with medium-pressure liquid chromatography (MPLC) and preparative high-pressure liquid chromatography (Prep-HPLC), high-speed countercurrent chromatography (HSCCC) was successfully applied for separation and purification of isoflavonoids from the extract of belamcanda.
Xiaohong, Wang   +6 more
openaire   +2 more sources

Preparative isolation and purification of 12,13-dihydroxyeuparin from Radix Eupatorii Chinensis by high-speed counter-current chromatography

open access: yesJournal of Pharmaceutical Analysis, 2012
An efficient method for the isolation and purification of 12,13-dihydroxyeuparin from Radix Eupatorii Chinensis by high speed counter-current chromatography (HSCCC) was established in this paper.
Mei Yang   +5 more
doaj   +1 more source

Anti-Candida targets and cytotoxicity of casuarinin isolated from Plinia cauliflora leaves in a bioactivity-guided study [PDF]

open access: yes, 2013
Peer reviewedPublisher ...
Gow, Neil A R   +8 more
core   +4 more sources

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

open access: yeseFood, 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   +5 more
doaj   +1 more source

Recombinant expression and functional characterisation of regiospecific flavonoid glucosyltransferases from Hieracium pilosella L. [PDF]

open access: yes, 2009
Five glucosyltransferases were cloned by RT-PCR amplification using total RNA from Hieracium pilosella L. (Asteraceae) inflorescences as template. Expression was accomplished in Escherichia coli, and three of the HIS-tagged enzymes, UGT90A7, UGT95A1, and
Martens, S.   +4 more
core   +2 more sources

Preparative Separation of Lappaconitine from Aconitum leucostomum by HSCCC

open access: yesNatural Products Chemistry & Research, 2017
This paper describes a system for the preparation of lappaconitine from Aconitum leucostmum Worosch., using HSCCC, and examines the effect of the two-immiscible solvent system (TISS) composed of chloroform- methanol-0.2 mol/L hydrochloric acid (4:1.5:2).
Amatjan A   +4 more
openaire   +1 more source

Preparation and Characterization of a Standardized Anticonvulsant Ginseng Rb Extract from Panax quinquefolius L. [PDF]

open access: yes, 2011
A ginseng Rb extract (GRbE) containing three major ingredients of ginsenoside Rb1 (G-Rb1), ginsenoside Rb3 (G-Rb3) and ginsenoside Rd (G-Rd) has been shown to have anticonvulsant and neuroprotective activity.
Lian, Xiao-Yuan, Zhang, Zhizhen
core   +2 more sources

Preparative Isolation of Three Anthraquinones from Rumex japonicus by High-Speed Counter-Current Chromatography

open access: yesMolecules, 2011
Three anthraquinones—emodin, chrysophanol, and physcion—were successfully purified from the dichloromethane extract of the Chinese medicinal herb Rumex japonicus by high-speed counter-current chromatography (HSCCC).
Shuying Guo   +4 more
doaj   +1 more source

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