Results 81 to 90 of about 1,586,292 (228)

Harnessing the Power of Black Rice Anthocyanins: A Review in Context of Extraction and Chromatographic Techniques

open access: yesJournal of Food Quality
Black rice, a well-known grain for its anthocyanin-rich pigmentation and nutritional benefits, has gained significant attention in scientific research.
Avneet Kaur   +3 more
doaj   +1 more source

Structure Design and Topology Optimization of Planet Carrier of High Speed Countercurrent Chromatograph

open access: yes工程科学与技术, 2020
High speed countercurrent chromatography has unique advantages in resolving the bottleneck of separation and purification of active ingredients in the field of biomedicine, such as no irreversible adsorption, high sample recovery and good tolerance ...
Guofu YIN   +4 more
doaj  

Large-Scale Separation of Alkaloids from Corydalis bungeana Turcz. by pH-Zone-Refining Counter-Current Chromatography

open access: yesMolecules, 2012
pH-Zone-refining counter-current chromatography (pH-zone-refining CCC) was successfully applied for the large-scale separation of alkaloids from Corydalis bungeana. The crude extract was separated by a two-phase solvent system composed of petroleum ether&
Bin Yang   +5 more
doaj   +1 more source

Profiling of sesquiterpenoid fractions from Artemisia annua L. and testing their in vitro anti-SARS-CoV-2 activity

open access: yesBiomolecules & Biomedicine
The current state of research on the anti‑SARS‑CoV‑2 potential of artemisinin‑related compounds has identified arteannuin B as a potent inhibitor of the nCoV‑2019BetaCov/Wuhan/WiV04/2019 and BetaCov/Italy/CDG1/2020 strains of the virus.
Irma Gušić   +11 more
doaj   +1 more source

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

Preparative Fractionation of Brazilian Red Propolis Extract Using Step-Gradient Counter-Current Chromatography

open access: yesMolecules
Propolis is a resinous bee product with a very complex composition, which is dependent upon the plant sources that bees visit. Due to the promising antimicrobial activities of red Brazilian propolis, it is paramount to identify the compounds responsible ...
Begoña Gimenez-Cassina Lopez   +7 more
doaj   +1 more source

Separation and Purification of Lycium barbarum Polysaccharides in Neuroinflammation by High-speed Countercurrent Chromatography

open access: yesShipin gongye ke-ji
Objective: This study constructed a novel method for the separation and purification of polysaccharides from Lycium barbarum polysaccharide (LBPs) by high-speed countercurrent chromatography with aqueoust two-phase system, and investigated its effect on ...
Gaofeng HAO   +4 more
doaj   +1 more source

Schinus terebinthifolia Raddi: Compounds Isolated by Countercurrent Chromatography and Biological Activities

open access: yesSeparations
The chemical composition of natural products is complex and the investigation of bioactivities of compounds of interest demands their isolation. S.
Mara Junqueira Carneiro   +9 more
doaj   +1 more source

Characteristics of the existing methods for obtaining carotenes from carotenoid concentrates

open access: yesНовые технологии
Carotenes, which simultaneously have the properties of natural dyes and biologically active substances that have a positive effect on human health and life expectancy, are becoming increasingly widespread in the food, pharmacological and cosmetic ...
E. V. Lisovaya   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy