Results 11 to 20 of about 9,555 (196)

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

Heliyon, 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, Jamal Ibijbijen, Laila Nassiri   +2 more
doaj   +1 more source

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

Plant 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, J. A. Trofymow, C. Peter Constabel   +2 more
doaj   +1 more source

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

Forest 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, Rossy Feria-Reyes, José Guadalupe Rutiaga-Quiñones, Luis Humberto Robledo-Taboada, Rosalío Gabriel-Parra   +4 more
doaj   +1 more source

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

Foods, 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, Xochitl Ruelas-Chacón, Yadira K. Reyes-Acosta, Miriam Desiree Dávila-Medina, Juan A. Ascacio-Valdés, Leonardo Sepúlveda   +5 more
doaj   +1 more source

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

Plant, 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, S.J. Zhang, G.F. Ye, H.B. Shao, G.H. Lin, M. Brestic   +5 more
doaj   +1 more source

Antioxidant Tannins from Stem Bark and Fine Root of Casuarina equisetifolia

Molecules, 2010
Structures of condensed tannins from the stem bark and fine root of Casuarina equisetifolia were identified using MALDI-TOF MS and HPLC analyses. The condensed tannins from stem bark and fine root consist predominantly of procyanidin combined with ...
Guang-Hui Lin, Shu-Dong Wei, Hai-Chao Zhou, Yi-Ming Lin, Shang-Ju Zhang, Gong-Fu Ye   +5 more
doaj   +1 more source

DETERMINING THE TANNIN CONTENT IN PISANG AMBON (Musa × paradisiaca L.) WITH THE POTENTIAL AS ANTHELMINTIC

Jurnal Kimia Riset, 2022
Tannins result from plants' secondary metabolism, closely associated with plant defense mechanisms against insects. Condensed tannins can disrupt the life cycle of parasitic nematodes starting from eggs, adult worms, and larvae.
Dwi Haryatmi, Indah Tri Susilowati
doaj   +1 more source

An Analytical Toolbox for Fast and Straightforward Structural Characterisation of Commercially Available Tannins

Molecules, 2021
Both condensed and hydrolysable tannins represent versatile natural polyphenolic structures exhibiting a broad range of activities that could be exploited in various fields including nutraceutics, cosmesis, consumer care, household and pharmaceutical ...
Lili Zhen, Heiko Lange, Claudia Crestini
doaj   +1 more source

Effects of Short-term Feeding Condensed Tannins on Growth Performance and Liver Health of Large-sized Micropterus salmoides

Guangdong nongye kexue, 2023
【Objective】In order to provide reference for the application of condensed tannins in Micropterus salmoides feed, this study was conducted to assess the effects of short-term feeding condensed tannins on growth performance and liver health of large-sized ...
Kai PENG, Jianqiang QIU, Youliang XU, Wenqing HUANG, Yuxi WANG, Wen HUANG   +5 more
doaj   +1 more source

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

Molecules, 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, Jia-Hong Chen, Hai-Chao Zhou, Yi-Ming Lin, Liang-Liang Zhang   +4 more
doaj   +1 more source