Results 11 to 20 of about 386 (144)

Immunological effects of Oenothein B, an ellagitannin dimer, on dendritic cells. [PDF]

Int J Mol Sci, 2012
Oenothein B is a unique macrocyclic ellagitannin dimer that has been found in various medicinal plants belonging to Onagraceae, Lythraceae, and Myrtaceae, with diverse biological activities. The immunological effects of tannins in terms of cytokine-release from macrophages and monocytes have been discussed, while the effects on other immunocompetent ...
Yoshimura M, Akiyama H, Kondo K, Sakata K, Matsuoka H, Amakura Y, Teshima R, Yoshida T.   +7 more
europepmc   +5 more sources

Efficacy of Willow Herb (Epilobium angustifolium L. and E. parviflorum Schreb.) Crude and Purified Extracts and Oenothein B Against Prostatic Pathogens [PDF]

Antibiotics
Background/Objectives: Plants species of the Epilobium genus are traditionally used to treat prostatitis and other urinary tract disorders and are particularly rich in ellagitannins and flavonol 3-O-glycosides.
Alexia Barbarossa, Antonio Rosato, Alessia Carocci, Sabrina Arpini, Stefania Bosisio, Luca Pagni, Diletta Piatti, Eleonora Spinozzi, Simone Angeloni, Gianni Sagratini, Gokhan Zengin, Marco Cespi, Filippo Maggi, Giovanni Caprioli   +13 more
doaj   +3 more sources

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

Plants, 2023
The composition of secondary metabolites undergoes significant changes in plants depending on the growth phase and the influence of environmental factors.
Liudas Ivanauskas, Kateryna Uminska, Zigmantas Gudžinskas, Michael Heinrich, Victoriya Georgiyants, Alla Kozurak, Olha Mykhailenko   +6 more
doaj   +3 more sources

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

Frontiers in Pharmacology
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
Olha Mykhailenko, Olha Mykhailenko, Olha Mykhailenko, Banaz Jalil, Kateryna Uminska, Liudas Ivanauskas, Zigmantas Gudžinskas, Michael Heinrich, Michael Heinrich   +8 more
doaj   +7 more sources

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

Frontiers in Nutrition, 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 ...
Lu Xu, Wei Li, Shu-yi Chen, Xi-wen Deng, Wei-feng Deng, Guo Liu, Yun-jiao Chen, Yong Cao   +7 more
doaj   +2 more sources

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

Medicina
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,
Dovile Uogintaite, Rasa Baniene, Aldona Jasukaitiene, Mindaugas Marksa, Marius Lasinskas, Elvyra Jariene, Sonata Trumbeckaite   +6 more
doaj   +2 more sources

Aging influences the response of T cells to stimulation by the ellagitannin, oenothein B. [PDF]

Int Immunopharmacol, 2015
Several plant extracts, including certain polyphenols, prime innate lymphocytes and enhance responses to secondary stimuli. Oenothein B, a polyphenol isolated from Epilobium angustifolium and other plant sources, enhances IFNγ production by both bovine and human NK cells and T cells, alone and in response to secondary stimulation by cytokines or tumor ...
Ramstead AG, Schepetkin IA, Todd K, Loeffelholz J, Berardinelli JG, Quinn MT, Jutila MA.   +6 more
europepmc   +4 more sources

Immunomodulatory activity of oenothein B isolated from Epilobium angustifolium. [PDF]

J Immunol, 2009
Abstract Epilobium angustifolium has been traditionally used to treat of a number of diseases; however, not much is known regarding its effect on innate immune cells. In this study, we report that extracts of E. angustifolium activated functional responses in neutrophils and monocyte/macrophages.
Schepetkin IA, Kirpotina LN, Jakiw L, Khlebnikov AI, Blaskovich CL, Jutila MA, Quinn MT.   +6 more
europepmc   +4 more sources

The effect of provenance and species on the chemical composition of Epilobium herbal tea [PDF]

Pharmaceutical Biology
Background Commercial herbal teas marketed as Epilobium herb are widely consumed in Europe for prostate-related and anti-inflammatory effects.
Olha Mykhailenko, Banaz Jalil, Kateryna Uminska, Liudas Ivanauskas, Zigmantas Gudžinskas, Michael Heinrich   +5 more
doaj   +2 more sources

The Impact of Solid-Phase Fermentation on Flavonoids, Phenolic Acids, Tannins and Antioxidant Activity in Chamerion angustifolium (L.) Holub (Fireweed) Leaves [PDF]

Plants, 2023
At present, the consumption of medical plants and functional foods is growing across the whole world. Fireweed (Chamerion angustifolium (L.) Holub), an important medicinal plant that has various pharmacological effects (antioxidant, anti-inflammatory ...
Marius Lasinskas, Elvyra Jariene, Nijole Vaitkeviciene, Jurgita Kulaitiene, Aida Adamaviciene, Ewelina Hallmann   +5 more
doaj   +2 more sources