Results 21 to 30 of about 2,484 (194)

Insecticidal Activity of Tannins from Selected Brown Macroalgae against the Cotton Leafhopper Amrasca devastans

open access: yesPlants, 2023
Seaweeds, also known as marine macroalgae, are renewable biological resources that are found worldwide and possess a wide variety of secondary metabolites, including tannins. Drifted brown seaweed (DBSW) is particularly rich in tannins and is regarded as
Ganeshan Petchidurai   +4 more
doaj   +1 more source

Comparing and Examining the Tannin Content of Potato Peel with Four Different Solvents [PDF]

open access: yesJournal of Agricultural Machinery
IntroductionTannins are a type of phenolic compound usually found in plants, with high molecular weights typically ranging from 500 to more than 3000 Da and even up to 20000 Da. The chemical structure of tannins is very diverse and varied.
F. Mortazavi   +2 more
doaj   +1 more source

Tannins of Constant Structure in Medicinal and Food Plants—Hydrolyzable Tannins and Polyphenols Related to Tannins [PDF]

open access: yesMolecules, 2011
In addition to the commonly used classification as hydrolyzable tannins and condensed tannins, tannins can also be categorized into two other types: polyphenols of constant chemical structure (Type A) and polyphenols of variable composition (Type B).
Okuda, Takuo, Ito, Hideyuki
openaire   +2 more sources

Optimization of Deep Eutectic Solvent Extraction of Phenolic Acids and Tannins from Alchemilla vulgaris L.

open access: yesPlants, 2022
Alchemilla vulgaris L. is a good source of antioxidant components with an emphasis on phenolic acids and tannins. In this study, gallic acid, ellagic acid, and hydrolyzable tannins (HT) were extracted from this plant with different deep eutectic solvents
Martina Jakovljević Kovač   +3 more
doaj   +1 more source

Effect of Hydrolyzable Tannins on Glucose-Transporter Expression and Their Bioavailability in Pig Small-Intestinal 3D Cell Model

open access: yesMolecules, 2021
Intestinal transepithelial transport of glucose is mediated by glucose transporters, and affects postprandial blood-glucose levels. This study investigates the effect of wood extracts rich in hydrolyzable tannins (HTs) that originated from sweet chestnut
Maksimiljan Brus   +5 more
doaj   +1 more source

Trade-offs between growth, reproduction and defense in response to resource availability manipulations. [PDF]

open access: yesPLoS ONE, 2018
The Brazilian Cerrado is one of the most endangered biomes in the world. We evaluated the sustainability of leaf harvest in one of the most important Cerrado tree species, Stryphnodendron adstringens.
Juliana Tuller   +4 more
doaj   +1 more source

Optimization of dyeing process variables for eco-friendly dyeing of cotton fabric with babul bark extract as a natural dye and gallnut extract as a bio-mordant

open access: yesJournal of Natural Fibers, 2022
In the present study, cotton fabric has been dyed with aqueous extract of babul bark (Acacia nilotica) using gallnut (Quercus infectoria) as bio-mordant containing hydrolyzable tannins like gallic acid, elagic acid and polyphenolic gallotannins to ...
Yamini Dhanania   +2 more
doaj   +1 more source

Microwave-ultrasound hybrid technology assisted extraction of pigments with antioxidant potential from red corn

open access: yesApplied Food Research, 2023
Current trends in the use of new pigments of natural origin have led to the investigation of novel technologies for obtaining them. The objectives of this study were to evaluate the extraction process by microwave (MAE) and ultrasound (UAE) assisted ...
J.D. García-Ortíz   +5 more
doaj   +1 more source

Hydrolyzable and condensed tannins resistance in Clostridium perfringens

open access: yesAnaerobe, 2015
Tannins added in the diet are being used to improve nutrition and health in farm animals as an alternative to antibiotic growth promoters and to control enteric clostridial diseases. However, the capacity of Clostridium perfringens to develop resistance under the selective pressure of tannins is unknown. The purpose of this study was to determine if C. 
Redondo, Leandro Martin   +4 more
openaire   +3 more sources

Rumen methane amelioration in sheep using two selected tanniferous phyto-leaves

open access: yesCarbon Management, 2019
A study was conducted in eighteen sheep divided into three groups of six animals each and fed on a diet comprising finger millet (Eleusine coracana) straw and concentrate in 50:50.
Luna Baruah   +5 more
doaj   +1 more source

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