Results 21 to 30 of about 2,920 (150)

Methods for Extraction and Charaterization of Tannins from Some Acacia Species of Sudan [PDF]

open access: yesPakistan Journal of Analytical & Environmental Chemistry, 2016
The study is aimed to analyze and compare extraction methods of tannins from three common Acacia species of Sudan. The Acacia species selected were Acacia nilotica, Acacia seyal and Acacia senegal.
Isam Eldin Hussein Elgailani   +1 more
doaj   +1 more source

Solid-State Fermentation of Sorghum by Aspergillus oryzae and Aspergillus niger: Effects on Tannin Content, Phenolic Profile, and Antioxidant Activity

open access: yesFoods, 2022
Sorghum contains antioxidants such as tannins. However, these are considered antinutritional factors since they are responsible for the low digestibility of proteins and carbohydrates. Nevertheless, these can be extracted by solid-state fermentation (SSF)
Pilar Espitia-Hernández   +5 more
doaj   +1 more source

Super Fruit Amla (Emblica officinalis, Gaertn) in Diabetes Management and Ensuing Complications: A Concise Review

open access: yesNutraceuticals, 2023
Type 2 diabetes mellitus (T2DM) is a chronic metabolic disease showing an exponential increase in its prevalence all over the world. High blood glucose level is one of the main clinical signs of the disease.
Muhammed Majeed   +4 more
doaj   +1 more source

Beech wood impregnation with hydrolyzed wattle tannin [PDF]

open access: yesBioResources, 2021
Tannins and their toxic effects against various decay organisms have been interrelated for centuries. As natural products have gained more interest, waste from several production fields abundant in tannins has yielded promising components for wood preservation.
Oberle, Anna   +3 more
openaire   +2 more sources

Cornus mas L. Stones: A Valuable by-Product as an Ellagitannin Source with High Antioxidant Potential

open access: yesMolecules, 2020
The stone of Cornus mas L. remains the least known morphological part of this plant, whereas the fruit is appreciated for both consumption purposes and biological activity.
Dominika Przybylska   +5 more
doaj   +1 more source

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

Chemical Composition, Antioxidant Activity, and Sensory Characterization of Commercial Pomegranate Juices

open access: yesAntioxidants, 2021
We undertook a qualitative and quantitative assessment of the bioactive compounds, volatile substances, sensory profile, and antioxidant activity of eight different commercial pomegranate juices (PJs) differing by cultivation area, processing (from ...
Sonia Esposto   +8 more
doaj   +1 more source

THE INFLUENCE OF TANNIN PREPARATIONS ON THE CONTENT AND FORM OF ANTHOCYANINS OF MODEL WINE SYSTEMS IN THE CONDITIONS OF INDUCED OXIDATION

open access: yesHarčova Nauka ì Tehnologìâ, 2019
The article considers how oenological tannins effect on the content of anthocyanins, phenolic substances, and their forms that influence the stability of the colour of rosé and red wines.
М. Bilko   +4 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

New Hydrolyzable Tannin with Potent Antioxidant and α-Glucosidase Inhibitory Activity from Black Tea Produced from Camellia taliensis

open access: yesFoods, 2023
Camellia taliensis (W. W. Smith) Melchior, belonging to the genus Camellia sect. Thea., is mainly distributed from northern Myanmar to western and southwestern Yunnan province of China, and its leaves have been used to make various teas by the locals of ...
Min Chen   +7 more
doaj   +1 more source

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