Results 11 to 20 of about 584 (134)

An efficient high‐speed counter‐current chromatography method for the preparative separation of potential antioxidants from Paeonia lactiflora Pall. combination of in vitro evaluation and molecular docking

open access: yesJournal of Separation Science, Volume 45, Issue 11, Page 1856-1865, June 2022., 2022
Paeonia lactiflora Pall., one of the most famous classical herbal medicine, has been used to treat diseases for over 1200 years. In this research, the functional ingredients were purified by online‐switch two‐dimensional high‐speed counter‐current chromatography combined with inner‐recycling and continuous injection mode.
Xuan Sun   +11 more
wiley   +1 more source

[Retracted] Two Myricetin‐Derived Flavonols from Morella rubra Leaves as Potent α‐Glucosidase Inhibitors and Structure‐Activity Relationship Study by Computational Chemistry

open access: yesOxidative Medicine and Cellular Longevity, Volume 2022, Issue 1, 2022., 2022
Diabetes mellitus (DM) is a chronic disease characterized by hyperglycemia, and oxidative stress is an important cause and therapeutic target of DM. Phytochemicals such as flavonols are important natural antioxidants that can be used for prevention and treatment of DM.
Yilong Liu   +10 more
wiley   +1 more source

Luteolin Isolated from Polygonum cuspidatum Is a Potential Compound against Nasopharyngeal Carcinoma

open access: yesBioMed Research International, Volume 2022, Issue 1, 2022., 2022
Introduction. To reveal the mechanisms by which luteolin, the major bioactive component of the Traditional Chinese Medicine (TCM) Polygonum cuspidatum, inhibits proliferation and promotes apoptosis in nasopharyngeal carcinoma (NPC) CNE2 cells. Methods. Based on the Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform (TCMSP),
Yu Xiong   +9 more
wiley   +1 more source

A Neglected Issue: Stationary Phase Retention Determination of Classic High-Speed Counter-Current Chromatography Solvent Systems

open access: yesSeparations, 2022
Obtaining an ideal solvent system for target compounds is still an obstacle to the wide application of high-speed counter-current chromatography (HSCCC).
Sha Li   +5 more
doaj   +1 more source

High-Speed Counter-Current Chromatography in Separation and Identification of Saponins from Beta vulgaris L. Cultivar Red Sphere

open access: yesPolish Journal of Food and Nutrition Sciences, 2020
Saponins, natural plant compounds exhibiting health benefits, were extracted from B. vulgaris L. cultivar (cv.) Red Sphere and separated by high-speed counter-current chromatography (HSCCC) in a new solvent system composed of: TBME-BuOH-ACN-H2O (1:2:1 ...
Aneta Ewa Spórna-Kucab   +1 more
doaj   +1 more source

Identifying Natural syNergist from Pongamia pinnata Using High-Speed Counter-Current Chromatography Combined with Isobolographic Analysis

open access: yesMolecules, 2017
For identifying the synergistic compounds from Pongamia pinnata, an approach based on high-speed counter-current chromatography (HSCCC) combined with isobolographic analysis was designed to detect the synergistic effects in the complex mixture [...]
Hao Yin   +7 more
doaj   +1 more source

Valeriana rigida Ruiz & Pav. Root Extract: A New Source of Caffeoylquinic Acids with Antioxidant and Aldose Reductase Inhibitory Activities

open access: yesFoods, 2021
Valeriana rigida Ruiz & Pav. (V. rigida) has long been used as a herbal medicine in Peru; however, its phytochemicals and pharmacology need to be scientifically explored. In this study, we combined the offline 2,2-diphenyl-1-picryl-hydrazyl-hydrate (DPPH)
Guanglei Zuo   +6 more
doaj   +1 more source

Isolamento do alcalóide ricinina das folhas de Ricinus communis (Euphorbiaceae) através de cromatografias em contracorrente Isolation of the alkaloid ricinine from the leaves of Ricinus communis (Euphorbiaceae) through counter-current chromatography

open access: yesQuímica Nova, 2005
Droplet counter-current chromatography, rotation locular counter-current chromatography and high-speed counter-current chromatography were applied to the preparative separation of the alkaloid ricinine from the dichloromethane extracts of Ricinus ...
Ana Cristina Leite   +5 more
doaj   +1 more source

Separation and purification of three stilbenes from the radix of Polygonum cillinerve (Nakai) Ohwl by macroporous resin column chromatography combined with high-speed counter-current chromatography

open access: yesQuímica Nova, 2014
An effective method for the rapid separation and purification of three stilbenes from the radix of Polygonum cillinerve (Nakai) Ohwl by macroporous resin column chromatography combined with high-speed counter-current chromatography (HSCCC) was ...
Xiaofeng Chi   +4 more
doaj   +1 more source

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

open access: yesQuímica 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   +7 more
doaj   +1 more source

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