Results 11 to 20 of about 111,518 (250)

Characteristics, Isolation Methods, and Biological Properties of Aucubin

open access: yesMolecules, 2023
Aucubin is an iridoid glycoside widely spread in the families Cornaceae, Garryaceae, Orobanchaceae, Globulariaceae, Eucommiaceae, Scrophulariaceae, Plantaginaceae, and Rubiaceae.
Kartini Kartini   +3 more
doaj   +1 more source

Target Discovery of Flavonoids from Elymus nutans Griseb Using Medium- and High-Pressure Liquid Chromatography Combined with Online High-Performance Liquid Chromatography–1,1-diphenyl-2-picrylhydrazyl Detection

open access: yesSeparations, 2022
Forage-based nutrients constitute the main forage value of forage grass. Elymus nutans Griseb possesses a wide ecological adaptability, enhanced crude protein content, good palatability, and excellent genes.
Lili Sheng, Zhaofei Hou, Yufeng Hu
doaj   +1 more source

Consoramides A–C, New Zwitterionic Alkaloids from the Fungus Irpex consors

open access: yesMycobiology, 2021
In our ongoing search for new secondary metabolites from fungi, a basidiomycete fungus Irpex consors was selected for mycochemical investigation, and three new zwitterionic alkaloids (1-3) and five known compounds (4-8) were isolated from the culture ...
Ji-Yul Kim   +6 more
doaj   +1 more source

PREPARATIVE ISOLATION AND PURIFICATION OF FLAVONE C-GLYCOSIDES FROM THE LEAVES OF FICUS MICROCARPA L.f BY MEDIUM-PRESSURE LIQUID CHROMATOGRAPHY, HIGH-SPEED COUNTERCURRENT CHROMATOGRAPHY, AND PREPARATIVE LIQUID CHROMATOGRAPHY [PDF]

open access: yesJournal of Liquid Chromatography & Related Technologies, 2010
Combined with medium-pressure liquid chromatography (MPLC) and preparative high-performance liquid chromatography (perp-HPLC), high-speed countercurrent chromatography (HSCCC) was applied for separation and purification of flavone C-glycosides from the crude extract of leaves of Ficus microcarpae L. f.
Xiaohong, Wang   +8 more
openaire   +2 more sources

Exploring the hypolipidemic effects of bergenin from Saxifraga melanocentra Franch: mechanistic insights and potential for hyperlipidemia treatment

open access: yesLipids in Health and Disease, 2023
Objective The goal of this study was to explore the hypolipidemic effects of bergenin extracted from Saxifraga melanocentra Franch (S. melanocentra), which is a frequently utilized Tibetan medicinal plant known for its diverse bioactivities. Establishing
Li Zhang   +5 more
doaj   +1 more source

A Method to Separate Two Main Antioxidants from Lepidium latifolium L. Extracts Using Online Medium Pressure Chromatography Tower and Two-Dimensional Inversion/Hydrophobic Interaction Chromatography Based on Online HPLC-DPPH Assay

open access: yesSeparations, 2021
Free radicals, including 1,1-diphenyl-2-picrylhydrazyl, mediate oxidative stress to cause many chronic diseases (including cardiovascular diseases, diabetes and cancer). The extract of traditional Tibetan medicine Lepidium latifolium L. (L.
Xiu Wang   +5 more
doaj   +1 more source

Ethyl Acetate Extract of Dracocephalum heterophyllum Benth Ameliorates Nonalcoholic Steatohepatitis and Fibrosis via Regulating Bile Acid Metabolism, Oxidative Stress and Inhibiting Inflammation

open access: yesSeparations, 2022
Dracocephalum heterophyllum Benth is well-known for its ability to alleviate liver heat. In this study, Dracocephalum heterophyllum Benth ethyl acetate extracts were evaluated on mouse models of nonalcoholic steatohepatitis and liver fibrosis.
Yan Fang   +6 more
doaj   +1 more source

Insecticidal characteristics and structural identification of the potential active compounds from Streptomyces sp. KR0006: Strain improvement through mutagenesis.

open access: yesPLoS ONE, 2022
Pest control by biological means is an effective, eco-friendly, and promising method that typically involves compounds naturally derived from actinomycetes. Thus, the present study aimed to screen, characterize, and identify the structure of insecticidal
Young Sook Kim   +4 more
doaj   +2 more sources

Identification of the Hydroxamate Siderophore Ferricrocin in

open access: yesNatural Product Communications, 2014
The hydroxamate siderophore ferricrocin was identified in Cladosporium cladosporioides growth medium by solid phase extraction and ultra high pressure liquid chromatography coupled to a time of flight mass spectrometer (UHPLC/QTOF-MS).
Nina Pourhassan   +3 more
doaj   +1 more source

Inhibitors of sterol synthesis. Chromatography of acetate derivatives of oxygenated sterols.

open access: yesJournal of Lipid Research, 1989
The separation of the acetate derivatives of a number of oxygenated sterols was achieved by medium pressure liquid chromatography on silica gel columns and by normal and reversed phase high performance liquid chromatography.
K Kudo   +6 more
doaj   +1 more source

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