Results 71 to 80 of about 1,611 (171)

Chemistry of South African Lamiaceae: Structures and Biological Activity of Terpenoids [PDF]

open access: yes, 2018
South Africa flora is one of the most important mega floras with high endemic species percentage. Lamiaceae is an important family in South Africa with ±308 species in 41 genera and contains many important plants (~23%) traditionally used for treatment ...
Hussein, Ahmed A.
core   +2 more sources

Antiangiogenic Effect of Ethanol Extract of Vigna angularis via Inhibition of Phosphorylation of VEGFR2, Erk, and Akt

open access: yesEvidence-Based Complementary and Alternative Medicine, Volume 2015, Issue 1, 2015., 2015
Though dietary azuki bean (Vigna angularis) seed containing antioxidant proanthocyanidins was known to have multibiological activities including antioxidant, hypotensive, anti‐inflammatory, and immunomodulatory activities, the antiangiogenic activity of ethanol extract of Vigna angularis (EVA) was never reported so far.
Oh Sung Kwon   +4 more
wiley   +1 more source

The microbiological transformation of two 15B-hydroxy-ent-kaurene diterpenes by Gibberella fujikuroi [PDF]

open access: yes, 2004
The incubation of 15B-hydroxy-3-oxo-ent-kaur-16-ene (1) with the fungus Gibberella fujikuroi afforded 11B-hydroxy-3,15-dioxo-ent-kaurane (6), 11B,15B-dihydroxy-3-oxo-ent-kaur-16-ene (8), 7B,11B,15B-trihydroxy-3-oxo-ent-kau-16-ene (9), 7a,11B-dihydroxy-3 ...
Fraga, Braulio M.   +2 more
core  

PTP1B inhibitory activity of kaurane diterpenes isolated fromSiegesbeckia glabrescens

open access: yesJournal of Enzyme Inhibition and Medicinal Chemistry, 2006
Protein tyrosine phosphatase 1B (PTP1B) is considered as a therapeutic target for the treatment of diabetes and obesity. In our preliminary screening study, a MeOH extract of the aerial part of Siegesbeckia glabrescens was found to inhibit PTP1B activity at 30 microg/mL.
Sohee, Kim   +7 more
openaire   +2 more sources

Microscopical Investigation of Sideritis taurica [PDF]

open access: yes, 2020
This research presents the results of the morphological-anatomical study of grass organs above ground (leaves, stems, and flowers) from Sideritis taurica Steph. ex Willd. from the Lamiaceae family. The range of distribution of this species covers Eastern
Konovalova, Irina   +1 more
core   +3 more sources

Henrin A: A New Anti-HIV Ent-Kaurane Diterpene from Pteris henryi [PDF]

open access: yesInternational Journal of Molecular Sciences, 2015
Henrin A (1), a new ent-kaurane diterpene, was isolated from the leaves of Pteris henryi. The chemical structure was elucidated by analysis of the spectroscopic data including one-dimensional (1D) and two-dimensional (2D) NMR spectra, and was further confirmed by X-ray crystallographic analysis.
Wan-Fei Li   +9 more
openaire   +2 more sources

Ethnobotany, phytochemistry, and pharmacological activities of Taxodium Rich [PDF]

open access: yes, 2013
Taxodium Rich. is a genus of the family Cupressaceae. The trees are especially prized for their rot and termite resistant wood. Taxodium leaves and cones, which are particularly rich in essential oils were used as folk medicine to treat skin, gastro ...
Su, Zushang
core   +1 more source

Rhodium catalyzed hydroformylation of kaurane derivatives: A route to new diterpenes with potential bioactivity [PDF]

open access: yes, 1988
Kaurenic and grandiflorenic acids are naturally occurring diterpenes whose biological activity has been described. Both acids contain an exocyclic methylenic double bond that allows further functionalization on their structure.
Peixoto, Andreia F.   +11 more
core   +1 more source

Analysis of Diterpens in Green and Roasted Coffee of Coffea arabica Cultivars Growing in the Same Edapho-Climatic Conditions. [PDF]

open access: yes, 2011
Lipids are important components of coffee beverage flavor and aroma. Coffee oil is rich in diterpens of the kaurane family, mainly cafestol (C20H28O3) and kahweol (C20H26O3), which have increasingly received attention in recent years due to their ...
BENASSI, M. T.   +5 more
core  

Lipoxin A4 impairment of apoptotic signaling in macrophages: Implication of the PI3K/Akt and the ERK/Nrf-2 defense pathways [PDF]

open access: yes, 2010
El pdf del artículo es la versión pre-print.Lipoxin A4 (LXA4) is an endogenous lipid mediator that requires transcellular metabolic traffic for its synthesis.
Boscá, Lisardo   +5 more
core   +1 more source

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