Results 101 to 110 of about 1,243 (197)

HSCCC Separation of the Two Iridoid Glycosides and Three Phenolic Compounds from Veronica ciliata and Their in Vitro Antioxidant and Anti-Hepatocarcinoma Activities

open access: yes, 2016
Five main compounds, including two iridoid glycosides (catalposide, verproside) and three phenolic compounds (luteolin, 4-hydroxy benzoic acid, 3,4-dihydroxy benzoic acid), were separated and prepared from the crude extract of Veronica ciliata by high ...
Yiran Guo   +6 more
core   +1 more source

Isolation and purification of macrocyclic components from Penicillium fermentation broth by high-speed counter-current chromatography

open access: yes, 2009
In this paper, high-speed counter-current chromatography (HSCCC), assisted with ESI-MS, was first successfully applied to the preparative separation of three macrolide antibiotics, brefeldin A (12.6 mg, 99.0%), 7'-O-formylbrefeldin A (6.5 mg, 95.0%) and ...
Liu, Yan   +8 more
core   +1 more source

Capparis cartilaginea decne (capparaceae): isolation of flavonoids by high-speed countercurrent chromatography and their anti-inflammatory evaluation. [PDF]

open access: yesFront Pharmacol, 2023
Alsharif B   +6 more
europepmc   +1 more source

An effective universal protocol for the extraction of fructooligosaccharide from the different agricultural byproducts. [PDF]

open access: yesMethodsX, 2023
Chelliah R   +9 more
europepmc   +1 more source

Aspects of natural product chemistry: Biosynthesis, structure elucidation and HSCCC/MBI/FABMS

open access: yes, 1996
The structure and biosynthesis of cremeomycin, a novel cytotoxic antibiotic from Streptomyces cremeus NRRL 3241, were established. Cremeomycin was found to be 3-diazo-4-methoxycyclohexa-4,6-dien-2-one carboxylic acid by X-ray crystallography. Through the
McGuire, James Norton
core  

<b>Compostos fenólicos e atividade antioxidante de <i>Leiothrix flavescens</i> (Bong.) Ruhland (Eriocaulaceae)</b>

open access: yesRevista de Ciências Farmacêuticas Básica e Aplicada, 2009
<p class="MsoNormal" style="margin: 0cm 0cm 0pt; line-height: normal; text-align: justify; mso-layout-grid-align: none;"> O presente estudo químico foi realizado com extrato metanólico de <i>Leiothrix flavescens</i> (Bong.) Ruhland ...
M. A. SILVA   +3 more
doaj  

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