Results 31 to 40 of about 7,593 (221)

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

open access: yesNeuroSci, 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   +4 more
doaj   +1 more source

Simultaneous Quantification of Ellagitannins and Related Polyphenols in Geranium thunbergii Using Quantitative NMR

open access: yesMolecules, 2018
Compared to commonly employed liquid chromatography-based methods, quantitative nuclear magnetic resonance (qNMR) is a recently developed method for accurate quantification of natural compounds in extracts.
Februadi Bastian   +5 more
doaj   +1 more source

Strictinin: A Key Ingredient of Tea

open access: yesMolecules, 2023
Strictinin is a relatively tiny ellagitannin, which is found in many plants as a minor constituent. Catechins are known as the major constituents in the young leaves of most tea plants, while strictinin was found as a major constituent in the Pu’er tea ...
Jason T. C. Tzen
doaj   +1 more source

Bio-guided fractionation of extracts of Geranium robertianum L.: Relationship between phenolic profile and biological activity [PDF]

open access: yes, 2017
Geranium robertianum L. is used in folk medicine and herbalism practice for the treatment of a variety of ailments. Recently, we studied the bioactivity of several aqueous and organic extracts of this plant.
Barros, Lillian   +6 more
core   +1 more source

Inhibition of Xanthomonas fragariae, Causative Agent of Angular Leaf Spot of Strawberry, through Iron Deprivation. [PDF]

open access: yes, 2016
In commercial production settings, few options exist to prevent or treat angular leaf spot (ALS) of strawberry, a disease of economic importance and caused by the bacterial pathogen Xanthomonas fragariae.
Gebben, Samantha J   +4 more
core   +2 more sources

Leaf Phenolics of Gunnera Manicata (Gunneraceae) [PDF]

open access: yes, 1988
Foliar material of Gunnera manicata (Gunneraceae) was examined for the presence of phenolics using standard extraction and identification techniques. Two lIavonoids, quercetin 3-0-ga1actoside and quercetin 3-0-g1ucoside and an unidentified ellagitannin ...
Doyle, Michael F., Scogin, Ron
core   +3 more sources

Identification and characterization of regulatory proteins involved in anthocyanin biosynthesis in Fragaria vesca and Rubus idaeus [PDF]

open access: yes, 2019
Primary metabolites like carbohydrates, lipids, proteins, and nucleic acids, work as key components to sustain the plant. Besides those compounds, a wide array of so called ‘secondary metabolites’ are produced by the plant, which have been given much ...
Herrera Valderrama, Andrea Lorena
core   +1 more source

Isolation of Human Intestinal Bacteria Capable of Producing the Bioactive Metabolite Isourolithin A from Ellagic Acid

open access: yesFrontiers in Microbiology, 2017
Urolithins are intestinal microbial metabolites produced from ellagitannin- and ellagic acid-containing foods such as walnuts, strawberries, and pomegranates.
María V. Selma   +7 more
doaj   +1 more source

Maternal pomegranate juice intake and brain structure and function in infants with intrauterine growth restriction: A randomized controlled pilot study. [PDF]

open access: yes, 2019
Polyphenol-rich pomegranate juice has been shown to have benefit as a neuroprotectant in animal models of neonatal hypoxic-ischemia. No published studies have investigated maternal polyphenol administration as a potential neuroprotectant in at-risk ...
Alexopoulos, Dimitrios   +7 more
core   +2 more sources

Identification of Unstable Ellagitannin Metabolites in the Leaves of Quercus dentata by Chemical Derivatization

open access: yesMolecules, 2023
The identification of unstable metabolites of ellagitannins having ortho-quinone structures or reactive carbonyl groups is important to clarify the biosynthesis and degradation of ellagitannins.
Zhang-Bin Liu   +5 more
doaj   +1 more source

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