Results 11 to 20 of about 30,400 (253)

Condensed Tannins from Mangrove Species Kandelia candel and Rhizophora mangle and Their Antioxidant Activity

open access: yesMolecules, 2010
The structures of condensed tannins isolated from two mangrove species, Kandelia candel and Rhizophora mangle, were characterized by 13C nuclear magnetic resonance (NMR) spectroscopy and matrix assisted laser desorption/ionization time-of-flight mass ...
Shu-Dong Wei   +4 more
doaj   +3 more sources

Chemical profile of Tetraclinis articulata (Vahl) Masters, and Juglans regia L. and Olea europaea L. var. Sylvestris used against oral diseases: in vitro analysis between polyphenolic content and aqueous extraction optimization

open access: yesHeliyon, 2021
Objective: Optimization of aqueous extraction to extract the maximum amount of polyphenolic compounds that are used to treat oral disorders. Methods: Using revelation tests for phytochemical screening, Folin-Ciocalteu reagent for total phenols, catechin ...
Hazim Harouak   +2 more
doaj   +1 more source

Effect of bioactive compounds from Sainfoin (Onobrychis viciifolia Scop.) on the in vitro larval migration of Haemonchus contortus: role of tannins and flavonol glycosides [PDF]

open access: yes, 2005
Anthelmintic bioactivity against gastrointestinal nematodes has been associated with leguminous forages supporting the hypothesis of a role of condensed tannins.
E., BARRAU   +3 more
core   +1 more source

Characterization of tannin extracts derived from the bark of four tree species by HPLC and FTIR

open access: yesForest Science and Technology, 2023
The objective of this work was the extraction and quantification of tannins obtained from the bark of four tree species from the forests of Ixtlán de Juárez, Oaxaca, Mexico (Arbutus xalapensis Kunth., Prunus serotina Ehrh., Quercus crassifolia Humb.
Faustino Ruiz-Aquino   +4 more
doaj   +1 more source

Effects of condensed tannins on goats experimentally infected with Haemonchus contortus. [PDF]

open access: yes, 2003
Although the use of tanniferous plants or condensed tannins as an alternative to anthelmintics to control gastrointestinal nematodes has been largely documented in sheep, studies remain scarce in goats.
C., GRISEZ   +5 more
core   +1 more source

An improved butanol-HCl assay for quantification of water-soluble, acetone:methanol-soluble, and insoluble proanthocyanidins (condensed tannins)

open access: yesPlant Methods, 2017
Background Condensed tannins (CT) are the most abundant secondary metabolite of land plants and can vary in abundance and structure according to tissue type, species, genotype, age, and environmental conditions.
Philip-Edouard Shay   +2 more
doaj   +1 more source

Valorization of Prickly Pear Peel Residues (Opuntia ficus-indica) Using Solid-State Fermentation

open access: yesFoods, 2023
Prickly pear peel (Opuntia ficus-indica) residues can be used as a substrate in solid-state fermentation to obtain bioactive compounds. The kinetic growth of some Aspergillus strains was evaluated.
Arturo Coronado-Contreras   +5 more
doaj   +1 more source

Effects of the repeated distribution of sainfoin hay on the resistance and the resilience of goats naturally infected with gastrointestinal nematodes [PDF]

open access: yes, 2005
Due to the high prevalence of anthelmintic resistance in goats, the need to explore novel approaches to control nematodes and to reduce the exclusive reliance on chemotherapy is strongly demanded in this host species.
F., De La Farge   +4 more
core   +1 more source

MALDI-TOF MS Analysis of Condensed Tannins with Potent Antioxidant Activity from the Leaf, Stem Bark and Root Bark of Acacia confusa

open access: yesMolecules, 2010
The structures of the condensed tannins from leaf, stem bark and root bark of Acacia confusa were characterized by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) analysis, and their antioxidant activities were
Shu-Dong Wei   +4 more
doaj   +1 more source

Changes of tannin and nutrients during decomposition of branchlets of Casuarina equisetifolia plantation in subtropical coastal areas of China

open access: yesPlant, Soil and Environment, 2013
A litterbag experiment was conducted to investigate the changes of tannins and nutrients in branchlets at different decomposition stages of Casuarina equisetifolia in southern subtropical coastal zone, China, using the colorimetric assays.
L.H. Zhang   +5 more
doaj   +1 more source

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