Results 41 to 50 of about 47,943 (166)

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, Amare Bitew Mekonnen, Getahun Yemata   +2 more
wiley   +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, Valerio Petruccelli, Elisa Brasili, Gabriella Pasqua   +3 more
doaj   +1 more source

Lichen‐Derived Mineral Residue as a Renewable Particulate Filler in Polylactic Acid Biocomposites: Structure, Melt Rheology, Viscoelastic, and Flexural Behavior

Polymer Composites, EarlyView.
Lichen residue, a renewable mineral‐organic material, was melt compounded with polylactic acid and triacetin in a twin‐screw extruder. ABSTRACT A lichen‐derived natural material, known as “höllük” in southeastern Turkey, is introduced as a renewable filler for polylactic acid (PLA).
Huseyin Esen, Necip Elbir, Mine Begum Alanalp, Ali Durmus   +3 more
wiley   +1 more source

In Vitro and In Vivo Antiangiogenic Activity of Caged Polyprenylated Xanthones Isolated from Garcinia hanburyi Hook. f.

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, Shichao He, Shucai Li, Ronghong Zhang, Aihua Peng, Lijuan Chen   +5 more
doaj   +1 more source

Chemical Investigation of Endophytic Diaporthe unshiuensis YSP3 Reveals New Antibacterial and Cytotoxic Agents

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, Yu Li, Wei Wei, Guiyou Liu, Cheng Xiao, Bo He, Chen Zhang, Nasir Ahmed Rajput, Yonghao Ye, Wei Yan   +9 more
doaj   +1 more source

Advances in Unconventional and Sustainable Synthetic Approaches to Benzopyran Scaffolds

The Chemical Record, EarlyView.
This review provides a comprehensive and critical analysis of low‐impact synthetic methodologies reported in the last 8 years (2018–2026) for the construction of benzopyran‐derived scaffolds, such as coumarins, flavones, chromones, chromenes, and chromanes. The benzopyran scaffold is a versatile family of heterocycles found in a wide range of bioactive
Nathalia B. Sá, Patrick C. Nobre, Isabelly O. Ferreira, Juliano B. Azeredo, Vanessa Nascimento   +4 more
wiley   +1 more source

Antibacterial Xanthones from the Leaves of Garcinia nigrolineata

, 2016
Ten new 1,3,5-trioxygenated xanthones, nigrolineaxanthones J−S (1−10), one new quinone derivative, nigrolineaquinone A (11), and one new isoflavone-like compound, nigrolineaisoflavone A (12), were isolated from the leaves of Garcinia nigrolineata along ...
Souwalak Phongpaichit (446803), Prakart Sawangchote (2728162), Walter C. Taylor (2728168), Dusadee Sukavisit (2728165), Vatcharin Rukachaisirikul (446804), Mayuree Kamkaew (2728171)   +5 more
core   +1 more source

Chlorine‐Free Depolymerization of Commercial PMMA via Oxygen‐Centered Radicals

Angewandte Chemie, Volume 138, Issue 38, 14 September 2026.
A new chlorine‐free photothermal method enables sustainable recycling of plastics with C–C backbones under mild conditions. Driven by an oxygen‐centered radical pathway with ppm levels of anthraquinone catalyst, it eliminates hazardous chlorinated solvents, achieving an impressive 97% depolymerization conversion.
Chih‐Yin Lin, Stelios Andreou, Nethmi De Alwis Watuthanthrige, Hyun Suk Wang, Maria‐Nefeli Antonopoulou, Athina Anastasaki   +5 more
wiley   +2 more sources

Synergistic enhancement SPF from annatto seed oil and alkaline extracts in association with organic UV filters

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, Aliny Rodrigues de Jesus da Conceição, Rodrigo Rezende Kitagawa, Bernardo de Jesus Pavuna, Claudia Masrouah Jamal, Claudineia Aparecida Sales de Oliveira Pinto, André Rolim Baby, Fabiana Vieira Lima Solino Pessoa, Mariana Santos Pinheiro   +8 more
wiley   +1 more source

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, Maria Carolina Theisen, Andressa Motta Castro, Giovana Jones Radke, Fernando Fumagalli   +4 more
wiley   +1 more source