condensed tannins
Intereferents in condensed tannins quantification by the vanillin assay
... Vanillin assay is widely used for the quantification of condensed tannins or its monomer units in sorghum grains (Burns, 1971 from Price, 1978). This method is based on the ability of flavanols to react ...
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Condensed tannins from Ficus virens as tyrosinase inhibitors: structure, inhibitory activity and molecular mechanism.
... the condensed tannins were found to quench the intrinsic fluorescence of the ...Moreover, condensed tannins have also been reported to chelate metal ions ...the condensed tannins ...
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Preliminary results on the effects of grape (Vitis vinifera) seed condensed tannins on in vitro intestinal digestibility of the lupin (Lupinus angustifolius) seed protein fraction in small ruminants
... Lupin grains are important protein sources in rumi- nant feeding in extensive Mediterranean production systems, especially in south of Portugal. However, these grains are known for their high rumen degrada- bility, which ...
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Effects of Condensed Tannins from Quebracho Extract on the Kinetic of in vitro Gas Production on Trifolium repens, Lotus corniculatus and Lolium perenne
... Beauchemin et al. [22], who also noticed that about 2% of CT in the diet was not sufficient to cause any effect on the in vitro gas production. Beauchemin et al. concluded in their study that feeding up to 2% of the ...
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Análise e caracterização de taninos condensados por cromatografia líquida/ Analysis and characterization of condensed tannins by liquid chromatography
... relevance. Tannins can be divided into two groups: condensed tannins (proanthocyanidins) and hydrolysable ...tannins. Condensed tannins are formed biosynthetically by the ...
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Antioxidant activity of extracts and condensed tannins from leaves of Maytenus ilicifolia Mart. ex Reiss..
... ANTIOXIDANT ACTIVITY OF EXTRACTS AND CONDENSED TANNINS FROM LEAVES OF Maytenus ilicifolia MART. ex REISS. Maytenus ilicifolia (Celastraceae) is a native plant of South America and popularly known as ...
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Quantification of condensed tannins in red wines by Fourier transform mid-infrared spectroscopy (FTIR)
... MCP method which provides the precipitation using the polysaccharide methylcellulose, was developed at AWRI (Sarneckis et al., 2006) and revised by Mercurio et al. in 2007. Precipitation of tannin by a polymer with ...
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Characterization of condensed tannins from native legumes of the Brazilian northeastern semi-arid
... of tannins on the nutritional value of these forages, few were the stud- ies that attempted at evaluating their tannin concentra- ...tion. Condensed tannins are polyphenols present in the majority of ...
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Characterization and Antioxidant Properties of the Condensed Tannins from Alaska Cedar Inner Bark
... of condensed tannins isolated from Alaska Cedar inner bark have been ...the condensed tannins consents of both homogeneous and heterogeneous oligomers of procyanidins (catechin/epicatechin) ...
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Anthelmintic effects of condensed tannins on Trichostrongylus colubriformis in experimentally infected sheep
... fed condensed tannins (CT) deriving from forages or plants extracts (Acacia and Quebracho) have been supported to develop alternative controls to gastrointestinal parasites, among them ...
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EVALUATION OF SORGHUM SILAGES OF DIFFERENT GENOTYPES WITH AND WITHOUT CONDENSED TANNINS
... the condensed tannin has been found in ...Furthermore, condensed tannin can also be an alternative non-drug gastrointestinal parasite ...contain condensed tannins ...
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Effect of sorghum tannins in sheep fed with high-concentrate diets
... of tannins in the ...of condensed tannins, including higher absorption of amino acids in the intestine, decreased nitrogen loss through urine and decreased endoparasites (Aerts et ...
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Modulation of ruminal biohydrogenation in sheep through dietary tannins or energy sources
... mimosa condensed tannins when compared with chestnut hydrolysable tannins, it was not possible to detect clear effects of these compounds on ruminal BH or impacts on blood plasma FA ...by ...
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Tannins in Ruminant Nutrition: Impact on Animal Performance and Quality of Edible Products
... and condensed tannins (CT). Hydrolysable tannins are constituted from a carbohydrate core (often glucose) esterified with gallic acid (gallotannins) or ellagic acid ...(ellagitannins). ...
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Methods for Extraction and Charaterization of Tannins from Some Acacia Species of Sudan
... of tannins from three common Acacia species of ...The tannins of mature fruits extract of Acacia nilotica were identified by using Thin Layer Chromatography (TLC), Ultraviolet and Infrared ...reference ...
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Saponins, tannins and flavonols found in hydroethanolic extract from Periandra dulcis roots
... Hydrolysable tannins are secondary metabolites widespread throughout the plant ...hydrolysable tannins, the gallotannins hydrolyze to yield gallic acid, while ellagitannins hydrolyze to yield ellagic ...
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Antioxidant activities of hydrolysable tannins and flavonoid glycosides isolated from eugenia uniflora L.
... of condensed tannins, and the flavonoids kaempferol, quercetin and myricetin [22, 23], showing no direct relation between the antioxidant capacity and the number of hydroxyl or galloyl groups ...
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Association of edaphoclimatic characteristics and variability of condensed tannin content in species from Caatinga
... The edaphoclimatic characteristics linked to the Caatinga ecosystem stimulate the plants to produce secondary metabolites such as condensed tannins (CT), polyphenolic compounds produced by many perennial ...
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Efficacy of tannins from Mimosa pudica and tannic acid in neutralizing cobra (Naja kaouthia) venom
... pudica tannins. There are two types of plant tannins, namely hydrolysable and condensed tannins ...mainly condensed tannins are able to inhibit snake venom activities ...pudica ...
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Efficacy of condensed tannin presents in acacia extract on the control of Trichostrongylus colubriformis in sheep
... of condensed tannins, which were more resistant to parasitism than those reared on pasture without condensed ...of condensed tannins, there is an overlap of their mode of action, ...
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