Results 1 to 10 of about 565 (150)

Myrtle Seeds (Myrtus communis L.) as a Rich Source of the Bioactive Ellagitannins Oenothein B and Eugeniflorin D₂. [PDF]

ACS Omega, 2019
The increasing popularity of “Mirto” liqueur, produced from Myrtus communis berries, has led to the planting of domesticated cultivars, expanding myrtle berry production.
Franco AM, Tocci N, Guella G, Dell'Agli M, Sangiovanni E, Perenzoni D, Vrhovsek U, Mattivi F, Manca G.   +8 more
europepmc   +14 more sources

Oenothein B in Eucalyptus Leaf Extract Suppresses Fructose Absorption in Caco-2 Cells. [PDF]

Molecules, 2021
Inhibition of fructose absorption may suppress adiposity and adiposity-related diseases caused by fructose ingestion. Eucalyptus leaf extract (ELE) inhibits intestinal fructose absorption (but not glucose absorption); however, its active compound has not
Sugimoto K, Amako M, Takeuchi H, Nakagawa K, Yoshimura M, Amakura Y, Fujita T, Takenaka S, Inui H.   +8 more
europepmc   +5 more sources

Chemical and Biological Significance of Oenothein B and Related Ellagitannin Oligomers with Macrocyclic Structure. [PDF]

Molecules, 2018
In 1990, Okuda et al. reported the first isolation and characterization of oenothein B, a unique ellagitannin dimer with a macrocyclic structure, from the Oenothera erythrosepala leaves.
Yoshida T, Yoshimura M, Amakura Y.
europepmc   +5 more sources

Oenothein B, a Bioactive Ellagitannin, Activates the Extracellular Signal-Regulated Kinase 2 Signaling Pathway in the Mouse Brain. [PDF]

Plants (Basel), 2021
(1) Background: Oenothein B, a cyclic dimeric ellagitannin present in various medicinal plants, has been reported to exert diverse effects that are beneficial for the treatment and prevention of diseases, including cancer and infections.
Okuyama S, Furukawa Y, Yoshimura M, Amakura Y, Nakajima M, Yoshida T.   +5 more
europepmc   +5 more sources

Oenothein B, a cyclic dimeric ellagitannin isolated from Epilobium angustifolium, enhances IFNγ production by lymphocytes. [PDF]

PLoS One, 2012
Oenothein B is a polyphenol isolated from Epilobium angustifolium and other plant sources, which has been reported to exhibit immunomodulatory properties.
Ramstead AG, Schepetkin IA, Quinn MT, Jutila MA.   +3 more
europepmc   +5 more sources

The phenology of <i>Epilobium hirsutum</i> L.: assessing marker compounds variability of a pharmaceutically important plant remedy. [PDF]

Front Pharmacol
BackgroundEpilobium hirsutum L. (Onagraceae), a perennial medicinal plant, has considerable pharmaceutical value due to its phenolic acids, flavonoids, and ellagitannins, including oenothein A and B. The plant is reported to have therapeutic benefits for
Mykhailenko O, Jalil B, Uminska K, Ivanauskas L, Gudžinskas Z, Heinrich M.   +5 more
europepmc   +5 more sources

Activation of Extracellular Signal-Regulated Kinase 2 and cAMP Response Element-Binding Protein in Cultured Neurons by the Macrocyclic Ellagitannin Oenothein B. [PDF]

NeuroSci, 2022
(1) Background: The findings of our recent in vivo study indicated that the oral administration of oenothein B, a unique macrocyclic ellagitannin, activated extracellular signal-regulated kinase (ERK) 2 and cAMP response element-binding protein (CREB) in
Okuyama S, Yoshimura M, Amakura Y, Nakajima M, Furukawa Y.   +4 more
europepmc   +2 more sources

Oenothein B ameliorates hepatic injury in alcoholic liver disease mice by improving oxidative stress and inflammation and modulating the gut microbiota. [PDF]

Front Nutr, 2022
IntroductionAlcoholic liver disease (ALD) is a global health problem for which there is no current food and drug administration (FDA)-approved therapy. Oenothein B (OEB) is a macrocyclic dimer ellagic tannin that possesses abundant biological activities ...
Xu L, Li W, Chen SY, Deng XW, Deng WF, Liu G, Chen YJ, Cao Y.   +7 more
europepmc   +2 more sources

Phenological Variations in the Content of Polyphenols and Triterpenoids in Epilobium angustifolium Herb Originating from Ukraine. [PDF]

Plants (Basel), 2023
The composition of secondary metabolites undergoes significant changes in plants depending on the growth phase and the influence of environmental factors.
Ivanauskas L, Uminska K, Gudžinskas Z, Heinrich M, Georgiyants V, Kozurak A, Mykhailenko O.   +6 more
europepmc   +2 more sources

Effect of Fireweed (<i>Chamerion angustifolium</i> L.) Extracts and Oenothein B on Colon Cancer Cells: Impact of Leaf Fermentation on Viability and Mitochondrial Function. [PDF]

Medicina (Kaunas)
Background and Objectives: Fireweed (Chamerion angustifolium L.) possesses antibacterial, antioxidant, anti-inflammatory, and anti-cancer properties. This study evaluated the effects of aqueous fireweed leaf extracts and their major compound, oenothein B,
Uogintaite D, Baniene R, Jasukaitiene A, Marksa M, Lasinskas M, Jariene E, Trumbeckaite S.   +6 more
europepmc   +2 more sources