Results 41 to 50 of about 46,318 (209)
Molecules, 2018 This study used the 2-phenyl-4,4,5,5-tetramethylimidazoline-1-oxyl 3-oxide radical (PTIO•) trapping model to study the antioxidant activities of 16 natural xanthones in aqueous solution, including garcinone C, γ-mangostin, subelliptenone G ...
Xican Li +3 more
doaj +1 more source
Xanthones: Biosynthesis and Trafficking in Plants, Fungi and Lichens
Plants, 2023 Xanthones are a class of secondary metabolites produced by plant organisms. They are characterized by a wide structural variety and numerous biological activities that make them valuable metabolites for use in the pharmaceutical field.
Camilla Badiali +3 more
doaj +1 more source
Journal of Fungi, 2023 Chemical investigation of the plant-derived endophytic fungus Diaporthe unshiuensis YSP3 led to the isolation of four new compounds (1–4), including two new xanthones (phomopthane A and B, 1 and 2), one new alternariol methyl ether derivative (3) and one
Babar Khan +9 more
doaj +1 more source
Review of phytochemical and antioxidant properties of Ethiopian medicinal plants
JSFA reports, EarlyView.Abstract Ethiopia possesses a rich ethnobotanical heritage and diverse medicinal flora that play an important role in traditional healthcare. Many Ethiopian medicinal plants contain bioactive phytochemicals with potential antioxidant properties. This capital of indigenous knowledge has contributed to the documentation of different medicinal plants that
Endalamaw Yihune +2 more
wiley +1 more source
Isolamento, identificação e avaliação do potencial farmacologico dos constituintes de Polygala Cyparissias St. Hill & Moq. [PDF]
, 1995 Dissertação (Mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas.Isolamento de xantonas da espécie vegetal Polygala cyparissias foi realizado por técnicas próprias de separação de produtos naturais como extração ...
Pinheiro, Tania Rosely
core
Molecules, 2013 Eleven known caged polyprenylated xanthones 1–11 were isolated from the resin of Garcinia hanburyi Hook. f., and their structures were identified by their MS, NMR and UV spectra.
Jianhong Yang +5 more
doaj +1 more source
International Journal of Cosmetic Science, EarlyView.An SPF formulation incorporating Bixa orellana seed extracts and oils showed enhanced UV protection, highlighting the potential of natural bioactive compounds as effective boosters in photoprotective cosmetic products. Abstract Objective This study investigated the antioxidant activity of oil and alkaline aqueous extracts obtained from Bixa orellana ...
Ister Cordeiro Mariotini +8 more
wiley +1 more source
Estudo da reatividade química e atividade biológica de biflavonóides isolados da Rheedia gardneriana [PDF]
, 2000 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas.Extração, purificação e identificação de princípios ativos a partir da Rheedia gardneriana (Guttiferae), planta utilizada na medicina popular ...
Verdi, Luiz Gonzaga
core
Advances in organic UV filters for sunscreens over the past decade
Photochemistry and Photobiology, EarlyView.Highlighted organic UV filter frameworks that have been described for sunscreens over the past decade divided into three groups: derivatives of or inspired by approved organic UV filters, natural product‐based compounds, and miscellaneous. Abstract Ultraviolet (UV) radiation is a major environmental factor in photoaging, erythema, and skin cancer ...
Gabriela Zanella Marcon +4 more
wiley +1 more source
Marine Drugs, 2016 Two new diphenylketones (1 and 2), a new xanthone (3), and a known xanthone analogue (4) were isolated and identified from Talaromyces islandicus EN-501, an endophytic fungus obtained from the fresh collected marine red alga Laurencia okamurai.
Hong-Lei Li +4 more
doaj +1 more source