Results 71 to 80 of about 1,463 (175)

Biflavonoids from Stellera chamaejasme

Pharmaceutical Biology, 2003
Five biflavonoids (wilstrol A, wikstrol B, neochamaejasmin A, neochamaejasmin B and chamajssmine) were isolated from the roots of Stellera chamaejasme L. These compounds play a very important role in the chemotaxonomy of Thymelaeaceae.
Baomin Feng, Yuehu Pei, Huiming Hua, Tao Wang, Yi Zhang   +4 more
openaire   +1 more source

Antitubercular evaluation of root extract and isolated phytochemicals from Lophira lanceolata against two resistant strains of Mycobacterium tuberculosis

Pharmaceutical Biology, 2018
Context: The roots of Lophira lanceolata Van Tiegh. Ex Keay (Ochnaceae) have numerous medicinal values in the Central African region. Even though the MeOH extract of the roots has shown antimycobacterial activities, the constituents responsible for this ...
Jeanne Louise Nkot, Dominique Serge Ngono Bikobo, Auguste Abouem A Zintchem, Norbert Mbabi Nyemeck, Esther Del Florence Moni Ndedi, Patrick Hervé Betote Diboué, Dieudonné Emmanuel Pegnyemb, Christian G. Bochet, Ulrich Koert   +8 more
doaj   +1 more source

The Biflavonoid Pattern of Anacolia webbii

Zeitschrift für Naturforschung C, 1993
Abstract From Anacolia webbii the following five biflavonoids could be isolated: 2,3-dihydrophilonotisflavone, philonotisflavone, dicranolomin, 5′,3‴-dihydroxyamentoflavone and 5′,3‴-dihydroxyrobustaflavone. The compounds were identified spectroscopically.
Tassilo Seeger, Hans Geiger, Rüdiger Mues, Hans Dietmar Zinsmeister   +3 more
openaire   +1 more source

Chemical Constituents from the Roots, Stems and Leaves of

Natural Product Communications, 2016
Four diarylpentanoids (1–4) , two phenylpropanoids (5–6) , three biflavonoids (7–9) , two lignans (10–11) and a coumarin (12) were isolated from the roots of Diplomorpha sikokiana (Franchet & Savatier) Honda (Family: Thymelaeaceae).
Hari Prasad Devkota, Khem Raj Joshi, Takashi Watanabe, Shoji Yahara   +3 more
doaj   +1 more source

From Waste to Resource: Valorization of Yellow Ginkgo Leaves as a Source of Pharmacologically Relevant Biflavonoids

Applied Sciences
Ginko (Ginkgo biloba L.) is a widely distributed ornamental tree that produces large quantities of leaves annually, turning golden yellow in autumn due to chlorophyll degradation and carotenoid retention.
Iva Jurčević Šangut, Dunja Šamec
doaj   +1 more source

PHYTOCHEMICAL CHARACTERIZATION OF A BIFLAVONOID FRACTION FROM Garcinia madruno: INHIBITION OF HUMAN LDL OXIDATION AND ITS FREE RADICAL SCAVENGING MECHANISM

Vitae, 2009
The inhibitory LDL oxidation potential and free radical stabilization capacity of a characterized biflavonoid fraction (FB) was evaluated and correlated by its biflavonoid content.
Edison OSORIO D., Guillermo Montoya P., Jaume Bastida   +2 more
doaj  

A New Biflavonoid from

Natural Product Communications, 2007
A new biflavanone, 7,4″’-di- O -methyltetrahydrohinokiflavone ( 1 ) together with two known biflavonoids, tetrahydrohinokiflavone ( 2 ) and amentoflavone ( 3 ) were isolated from the whole plant of Selaginella rupestris. The structures of these compounds
Nimmanapalli P. Reddy, Bandi A.K. Reddy, Duvvuru Gunasekar, Alain Blond, Bernard Bodo   +4 more
doaj   +1 more source

Synthesis of Biflavonoids. Part-I

, 1985
Department of Medicinal Chemistry, Institute of History of Medicine and Medical Research, Hamdard Nagar, New Delhi-110 062 Manuscript received 19 November 1983, revised 22 August 1984, accepted 27 April 1985 Syntheses of the methyl ether derivatives of 6,6"-biapigenin (4), 6,6"-bisisoflavone (11), 6,6"-bisdihydroflavonol (12) and 5,5"-bisaurone (13 ...
M.S. Y. KHAN, S. U. KHAN, CH. I. Z. KHAN, M. R. PARTHASARATHY   +3 more
openaire   +2 more sources

Isolation of phenolic compounds from Rheedia longifolia by high-speed countercurrent chromatography

Rodriguésia
Rheedia longifolia is a species of the Clusiaceae family, popularly known as bacupari. Pharmacological studies conducted by our group revealed that the raw methanolic extract of its leaves, along with its fractions, induces both inflammatory and ...
Ana Luiza Rangel Bérenger, Flávia da Cunha Camillo, Lavínia de Carvalho Brito, Maria Auxiliadora Coelho Kaplan, Maria Raquel Figueiredo   +4 more
doaj   +1 more source

A Comparative Analysis of Radical Scavenging, Antifungal and Enzyme Inhibition Activity of 3'-8″-Biflavones and Their Monomeric Subunits. [PDF]

Antioxidants (Basel), 2023
Jurčević Šangut I, Šarkanj B, Karalija E, Šamec D.   +3 more
europepmc   +1 more source