Results 51 to 60 of about 36,854 (236)

New Pesticidal Diterpenoids from Vellozia gigantea (Velloziaceae), an Endemic Neotropical Plant Living in the Endangered Brazilian Biome Rupestrian Grasslands

open access: yesMolecules, 2017
Vellozia gigantea is a rare, ancient, and endemic neotropical plant present in the Brazilian Rupestrian grasslands. The dichloromethane extract of V.
Mariana C. Ferreira   +4 more
doaj   +1 more source

Essential Oils of Argyreia capitiformis (Poir.) Ooststr. and Argyreia nasirii D.F. Austin: Chemical Analysis and Biological Activities. [PDF]

open access: yesChem Biodivers
Essential oils of Argyreia capitiformis and Argyreia nasirii display clearly distinct chemical and biological profiles. A. capitiformis is dominated by sesquiterpene hydrocarbons, particularly (E)‐caryophyllene, and shows cytotoxicity against HepG2, SK‐LU‐1, and MCF‐7 cells. In contrast, A.
Hanh TTN   +7 more
europepmc   +2 more sources

Comparative Profiles of Lipophilic Nutrients and In Vitro Antioxidant Activity in Commercial Arabica and Robusta Green Coffee Beans

open access: yesJournal of the American Oil Chemists' Society, EarlyView.
Integrated compositional profiling of ten commercial green coffee lots showed higher mean total phenolic content, DPPH radical‐scavenging activity, β‐carotene, and total phytosterols in Robusta‐labeled lots, whereas Arabica‐labeled lots showed higher mean total tocopherols and total measured fatty acids.
Muyny Chhom   +2 more
wiley   +1 more source

Isoryanodane diterpene derivatives from Barringtonia macrocarpa

open access: yes, 2023
From the MeOH residue of Barringtonia macrocarpa branches and leaves, one new isoryanodane diterpene, barringisol (1), and two new isoryanodane diterpene glucosides, barringisosides A and B (2 and 3), were obtained using various chromatographic ...
Dang Vu Luong (15995879)   +9 more
core   +1 more source

ISOLATION OF ENT-KAUR-16-EN-19-OIC AND ENT-TRACHILOBAN-19-OIC ACIDS FROM THE SUNFLOWER HELIANTHUS ANNUUS L.DRY WASTE [PDF]

open access: yesChemistry Journal of Moldova: General, Industrial and Ecological Chemistry, 2008
A relatively simple method for isolation of the mixture of ent-kaur-16-en-19-oic (1) and ent-trachiloban-19-oic (2) acids from dry waste of sunflower processing has been elaborated, and it has been shown that the waste can serve as an accessible source ...
Nicon Ungur   +5 more
doaj  

Rosemary Diterpenes and Flavanone Aglycones Provide Improved Genoprotection against UV-Induced DNA Damage in a Human Skin Cell Model

open access: yesAntioxidants, 2020
Overexposure to solar ultraviolet (UV) radiation is the major cause of a variety of cutaneous disorders, including sunburn, photoaging, and skin cancers.
Noelia Sánchez-Marzo   +5 more
doaj   +1 more source

Bridging the translational gap in clinical nanomedicine: From rational design to clinical reality

open access: yesBMEMat, EarlyView.
Nanotechnology offers a multi‐faceted approach to modern healthcare, encompassing high‐sensitivity diagnostic imaging, innovative vaccine delivery, and targeted therapeutics. This review explores how these nanomedicine applications address critical challenges in cancer recurrence and the treatment of neurologic and respiratory diseases to combat rising
Ahmed H. Ghonaim   +9 more
wiley   +1 more source

Review of phytochemical and antioxidant properties of Ethiopian medicinal plants

open access: yesJSFA 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

Isoleojaponin, a New Halimane Diterpene Isolated from Leonurus japonicus

open access: yes, 2015
Leojaponin (2), a labdane diterpene, was isolated from the EtOH extract of the herb of Leonurus japonicus together with a new halimane diterpene named isoleojaponin (1).
Zhiyong Xu   +11 more
core   +1 more source

From nature to nanoscale: advances, challenges, and preclinical translation of nanofiber drug delivery systems containing plant‐derived active ingredients

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract Since the early 1960s, nanotechnology has been a critical area of science, allowing for the development of sophisticated nanomaterials. Nanofibers, one of the most widely used nanotechnological drug delivery systems, have emerged as a highly versatile platform within modern pharmaceutical sciences.
Heybet Kerem Polat   +7 more
wiley   +1 more source

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