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.
Takashi Yoshida +2 more
exaly +7 more sources
Oenothein B, a Bioactive Ellagitannin, Activates the Extracellular Signal-Regulated Kinase 2 Signaling Pathway in the Mouse Brain [PDF]
Plants, 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.
Satoshi Okuyama +2 more
exaly +7 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
Keiichiro Sugimoto +8 more
doaj +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
Satoshi Okuyama +2 more
exaly +4 more sources
Oenothein B Suppresses Lipopolysaccharide (LPS)-Induced Inflammation in the Mouse Brain [PDF]
International Journal of Molecular Sciences, 2013 Oenothein B has been recently evaluated for its ability to affect inflammatory responses in peripheral tissues. In this study, we examined its effect on the damage to the central nervous system due to systemic inflammation. For this purpose, ICR mice were injected with an intraperitoneal (i.p.) dose of lipopolysaccharide (LPS; 1 mg/kg mouse).
Morio Yoshimura +2 more
exaly +4 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.
Andrew G Ramstead +3 more
doaj +5 more sources
Antitumor Activity of Oenothein B, a Unique Macrocyclic Ellagitannin [PDF]
Japanese Journal of Cancer Research, 1993 The antitumor effect of oenothein B, a macrocyclic ellagitannin from Oenothera erythrosepala Bordas, on rodent tumors was studied, Oenothein B exhibited a strong antitumor activity against MM2 ascites tumors upon intraperitoneal administration to the mice before or after the tumor inoculation.
Ken-Ichi Miyamoto +2 more
exaly +5 more sources
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. To promote the use of cultivated berries, the content in the nutraceutical compounds ellagitannins has been investigated both in spontaneous and cultivated fruits.
Andrea M. Franco +8 more
doaj +6 more sources
Redox Behavior of the Ellagitannin Oenothein B and Ellagic Acid at a Glassy Carbon Electrode
International Journal of Electrochemical Science, 2015 Oenothein B and ellagic acid are polyphenolic compounds, and their oxidation mechanism is pH-dependent, in one step, involving a different number of electrons and protons.
JOSÉ Luís Rodrigues Martins +2 more
exaly +4 more sources
An Optimized Method for Extracting Oenothein B from Eucalyptus Leaves
BioResources, 2022 Eucalyptus is a fast-growing and high-yield tree species producing approximately one third of the timber of the world. Eucalyptus leaves are a by-product of timber with comparable biomass, and are largely unused. Eucalyptus leaves are rich in polyphenols,
Yating Deng +6 more
doaj +4 more sources