Results 31 to 40 of about 742 (164)

Application of preparative high-speed counter-current chromatography for separation of chlorogenic acid from Flos Lonicerae [PDF]

open access: yes, 2004
Chlorogenic acid, an ester formed between caffeic acid and quinic acid, is a major phenolic compound in the traditional Chinese medicinal herb Flos Lonicerae.
Jiang, Y, Lu, HT, Chen, F
core   +1 more source

Separation and Purification of Fructo-Oligosaccharide by High-Speed Counter-Current Chromatography Coupled with Precolumn Derivatization [PDF]

open access: yes, 2018
High-speed counter-current chromatography (HSCCC) coupled with precolumn derivatization was developed for isolating and purifying fructo-oligosaccharides (FOSs).
Wenhua Ji   +7 more
core   +1 more source

Isolation and Identification of Two Novel Attractant Compounds from Chinese Cockroach (Eupolyphaga sinensis Walker) by Combination of HSCCC, NMR and CD Techniques

open access: yesMolecules, 2013
High-speed counter-current chromatography (HSCCC) with a two-phase solvent system composed of n-hextane-ethyl acetate-methanol-water (1.5:1:1.5:1, v/v/v/v) was applied to the isolation and purification of attractants from Chinese cockroach, Eupolyphaga ...
Bin Wu, Xiaodan Wu, Wei Jiang
doaj   +1 more source

Fingerprint Analysis of Cnidium monnieri (L.) Cusson by High-Speed Counter-Current Chromatography [PDF]

open access: yes, 2019
Cnidium monnieri (L.) Cusson is a popular Traditional Chinese Medicine (TCM) with a variety of bioactivities. However, there are some problems that have affected the development of Cnidium monnieri (L.) Cusson. At present, many methods have been reported
Xuemin Gao   +7 more
core   +1 more source

Preparative isolation and purification of phillyrin from the medicinal plant Forsythia suspensa by high-speed counter-current chromatography [PDF]

open access: yes, 2005
Forsythia suspensa (Thunb.) Vahl. has been used widely in traditional medicines to treat gonorrhea, erysipelas, inflammation, pyrexia and ulcer. It has also shown antioxidant activity, as well as antibacterial, antiviral, choleretic and antiemetic ...
Li, HB, Chen, F
core   +1 more source

Amelioration by Idesia polycarpa Maxim. var. vestita Diels. of Oleic Acid‐Induced Nonalcoholic Fatty Liver in HepG2 Cells through Antioxidant and Modulation of Lipid Metabolism

open access: yesOxidative Medicine and Cellular Longevity, Volume 2020, Issue 1, 2020., 2020
Idesia polycarpa Maxim. var. vestita Diels (I. polycarpa) is well known as an edible oil plant which contains abundant linoleic acid and polyphenols. The objective of this study was to maximize the by‐product of defatted fruit of I. polycarpa. We found that the fraction D of ethyl acetate extract (EF‐D) contained more polyphenols, which contribute to ...
Na Li   +7 more
wiley   +1 more source

Andrographolide Exerts Antihyperglycemic Effect through Strengthening Intestinal Barrier Function and Increasing Microbial Composition of Akkermansia muciniphila

open access: yesOxidative Medicine and Cellular Longevity, Volume 2020, Issue 1, 2020., 2020
Accumulating evidence indicates that type 2 diabetes (T2D) is associated with intestinal barrier dysfunction and dysbiosis, implying the potential targets for T2D therapeutics. Andrographolide was reported to have several beneficial effects on diabetes and its associated complications.
Hongming Su   +9 more
wiley   +1 more source

Preparative separation and purification of squalene from the microalga Thraustochytrium ATCC 26185 by high-speed counter-current chromatography [PDF]

open access: yes, 2003
High-speed counter-current chromatography (HSCCC) was successfully applied to the preparative separation and purification of squalene from microalgae. Crude squalene was obtained from the microalga Thraustochytrium ATCC 26185 by extraction with organic ...
Jiang, Y, Lu, HT, Chen, F
core   +1 more source

HPLC-DAD-MS and Antioxidant Profile of Fractions from Amontillado Sherry Wine Obtained Using High-Speed Counter-Current Chromatography

open access: yesFoods, 2021
In the present work, the polyphenolic profile of a complex matrix such as Amontillado sherry has been processed by means of high-speed counter-current chromatography (HSCCC) and characterized by HPLC-DAD-MS.
Mónica Schwarz   +7 more
doaj   +1 more source

Colorimetric Detection of Class A Soybean Saponins by G‐Quadruplex‐Based Hybridization Chain Reaction

open access: yesJournal of Analytical Methods in Chemistry, Volume 2020, Issue 1, 2020., 2020
Soybean saponin is one of the important secondary metabolites in seeds, which has various beneficial physiological functions to human health. GmSg-1 gene is the key enzyme gene for synthesizing class A saponins. It is of great significance to realize the visual and rapid detection of class A saponins at the genetic level.
Congcong Yin   +8 more
wiley   +1 more source

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