Results 71 to 80 of about 16,785,729 (104)

Screening and Isolating Major Aldose Reductase Inhibitors from the Seeds of Evening Primrose (Oenothera biennis)

open access: yesMolecules, 2019
Aldose reductase (AR) is a drug target for therapies to treat complications caused by diabetes mellitus, and the development of effective AR inhibitors (ARIs) of natural origin is considered to be an attractive option for reducing these complications. In
Zhiqiang Wang   +5 more
doaj   +1 more source

Isolation of dimeric, trimeric, tetrameric and pentameric procyanidins from unroasted cocoa beans (Theobroma cacao L.) using countercurrent chromatography [PDF]

open access: yes, 2015
The main procyanidins, including dimeric B2 and B5, trimeric C1, tetrameric and pentameric procyanidins, were isolated from unroasted cocoa beans (Theobroma cacao L.) using various techniques of countercurrent chromatography, such as high-speed ...
Tuba Esatbeyoglu   +5 more
core   +1 more source

Isolation and Purification of Three Ecdysteroids from the Stems of Diploclisia glaucescens by High-Speed Countercurrent Chromatography and Their Anti-Inflammatory Activities In Vitro

open access: yesMolecules, 2017
High-speed counter-current chromatography was used to separate and purify ecdysteroids for the first time from the stems of Diploclisia glaucescens using a two-phase solvent system composed of ethyl acetate–n-butanol–ethanol–water (3:0.2:0.8:3, v/v ...
Lei Fang   +4 more
doaj   +1 more source

Isolation and Purification of Galloyl, Caffeoyl, and Hexahydroxydiphenoyl Esters of Glucoses from Balanophora simaoensis by High-Speed Countercurrent Chromatography and Their Antioxidant Activities In Vitro

open access: yesMolecules, 2018
High-speed counter-current chromatography was used to separate and purify galloyl, caffeoyl, and hexahydroxydiphenoyl esters of glucoses from the aerial parts of the parasitic plant Balanophora simaoensis for the first time using n-hexane-ethyl acetate ...
Lei Fang   +3 more
doaj   +1 more source

Preparative Separation of Alkaloids from Picrasma quassioides (D. Don) Benn. by Conventional and pH-Zone-Refining Countercurrent Chromatography

open access: yesMolecules, 2014
Two high-speed countercurrent chromatography (HSCCC) modes were compared by separation of major alkaloids from crude extract of Picrasma quassioides. The conventional HSCCC separation was performed with a two-phase solvent system composed of petroleum ...
Qinghai Zhang   +5 more
doaj   +1 more source

Isolation and Evaluation of Erinacine A Contents in Mycelia of Hericium erinaceus Strains

open access: yesFoods
Hericium erinaceus has long been favored for its remarkable nutritional and health-promoting benefits, and erinacine A is the key component responsible for the neuroprotective properties of H. erinaceus.
Mengchen Liu   +6 more
doaj   +1 more source

Preparative Isolation of Antimycobacterial Shoreic Acid from Cabralea canjerana by High Speed Countercurrent Chromatography

open access: yes, 2008
High speed countercurrent chromatography (HSCCC) was used to isolate the dammarane type triterpene shoreic acid from the dichloromethane extract of leaves of Cabralea canjerana, which showed activity against Mycobacterium tuberculosis.
Silva, Pedro Eduardo Almeida da   +7 more
core  

Characterization of Compounds with Tumor–Cell Proliferation Inhibition Activity from Mushroom (Phellinus baumii) Mycelia Produced by Solid-State Fermentation

open access: yesMolecules, 2017
The inhibition of tumor-cell proliferationbyan organicsolvent extract from the solid-state fermentation of Phellinus baumii mycelia inoculated in rice medium was investigated in vitro.
Henan Zhang   +6 more
doaj   +1 more source

Fast preparative separation of flavones from capitula of Eriocaulon ligulatum (Vell.) L.B.Smith (Eriocaulaceae) by High-speed countercurrent chromatography (HSCCC)

open access: yesRevista de Ciências Farmacêuticas Básica e Aplicada, 2005
High-speed countercurrent chromatography (HSCCC) is a leading method for the fast separation of natural products from plants. It was used for the preparative isolation of two flavone monoglucosides present in the capitula of Eriocaulon ligulatum (Vell ...
L.C. Santos   +6 more
doaj  

Structure optimization and performance analysis of a п-type double-supported high-speed countercurrent chromatography rotor system

open access: yes四川大学学报. 自然科学版
Rotor system is one of the core components of countercurrent chromatograph and plays a key role in the realization of high efficiency separation function of high-speed countercurrent chromatograph.In this paper, aiming at the problems such as heavy ...
CHEN Jia-Yi   +3 more
doaj  

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