Results 131 to 140 of about 198,497 (264)
Flavonoids from Lonchocarpus muehlbergianus
The light petroleum extract from the roots of Lonchocarpus muehlbergianus Hassl contained nine flavonoids, including six new ones. These are 2,4-cis-2,4,5,8-tetramethoxy-(2,3:6,7)-furanoflavan; 2,4-cis-4-hydroxy-2,5,8-trimethoxy-(2,3:6,7)-furanoflavan; 2,
Magalhães Aderbal F.+4 more
doaj
ABSTRACT In recent years, much research has focused on the valorization of Crocus sativus by‐products as sources of bioactive compounds. This study was designed to investigate the impact of two different drying methods, freeze‐drying and air‐drying, on the phenolic content and antioxidant activity of leaves and tepals by‐products from C.
Soukaina Abou‐Wakil+9 more
wiley +1 more source
Investigation of the chemical profile and antimicrobial power of Achillea Santolina extracts ABSTRACT The study examines the chemical composition and antimicrobial properties of petroleum ether and hydro‐methanolic extracts of Achillea santolina from Algeria. Chemical profiling was performed using high‐performance liquid chromatography with diode array
Chahna Renda+7 more
wiley +1 more source
Syntheses of Nuclear Substituted Flavonoids and Allied Compounds. VI
Koichi Nakazawa, Shin Matsuura
openalex +2 more sources
Physiological Studies on Pea Tendrils. IV. Flavonoids and Contact Coiling [PDF]
M. J. Jaffe, Arthur W. Galston
openalex +1 more source
Flow chat for the quantitative and qualitative profiles and the biological activities of T. violacea fruits and seeds. ABSTRACT Tulbaghia violacea is an established medicinal plant that is indigenous to southern Africa. All its plant parts have been profiled for their phytochemical constituents and medicinal potentials except for the seeds and fruits ...
Rebecca Opeyemi Oyerinde+1 more
wiley +1 more source
South African Propolis: Anti‐Helicobacter pylori Activity, Chemistry, and Toxicity
ABSTRACT Propolis, a resin‐like substance produced by bees, has previously shown antimicrobial activity against the ulcer‐causing gut pathogen Helicobacter pylori. South African propolis, however, was yet to be investigated. This study aimed to investigate a comprehensive range of South African propolis for its antimicrobial activity against H.
Sarhana Dinat+5 more
wiley +1 more source