Results 31 to 40 of about 3,598 (218)

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

Molecules, 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, Alicja Z. Kucharska, Iwona Cybulska, Tomasz Sozański, Narcyz Piórecki, Izabela Fecka   +5 more
doaj   +1 more source

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

Plants, 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, Stela Jokić, Igor Jerković, Maja Molnar   +3 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

Harčova 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, М. Ishchenko, О. Tsyhankova, Т. Yakovenko, Т. Кyrpel   +4 more
doaj   +1 more source

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

Antioxidants, 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, Gianluca Veneziani, Agnese Taticchi, Stefania Urbani, Roberto Selvaggini, Beatrice Sordini, Luigi Daidone, Giacomo Gironi, Maurizio Servili   +8 more
doaj   +1 more source

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

Applied 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, J.A. Ascacio-Valdés, S.D. Nery-Flores, A. Sáenz-Galindo, A.C. Flores-Gallegos, R. Rodríguez-Herrera   +5 more
doaj   +1 more source

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

Foods, 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, Na Li, Hong-Tao Zhu, Man Zhang, Zhao-Hong Duan, Dong Wang, Chong-Ren Yang, Ying-Jun Zhang   +7 more
doaj   +1 more source

Elucidation and reconstitution of hydrolyzable tannin biosynthesis

Plant Biotechnology
Hydrolyzable tannins (HTs) are a class of polyphenols produced mostly in core eudicot plants. They accumulate in various plant tissues and are considered to function as defense compounds that protect against herbivory, infections, and toxic metals (specifically aluminum ions).
Tahara, Ko, Milkowski, Carsten, Oda-Yamamizo, Chihiro   +2 more
openaire   +3 more sources

In Vitro Anti-HIV-1 Reverse Transcriptase and Integrase Properties of Punica granatum L. Leaves, Bark, and Peel Extracts and Their Main Compounds

Plants, 2021
In a search for natural compounds with anti-HIV-1 activity, we studied the effect of the ethanolic extract obtained from leaves, bark, and peels of Punica granatum L.
Cinzia Sanna, Arianna Marengo, Stefano Acquadro, Alessia Caredda, Roberta Lai, Angela Corona, Enzo Tramontano, Patrizia Rubiolo, Francesca Esposito   +8 more
doaj   +1 more source

VEGETABLE TANNINS, RUMINAL MICROBIOTA AND RUMINANT METABOLISM INTERACTION

Tropical and Subtropical Agroecosystems, 2021
Background. Tannins, as polyphenolic secondary metabolites of plants, are attributed both beneficial and adverse functions when they are consumed by animals, effects that depend on the chemical structure and the concentration used.
Bernardino Espinoza-Velasco, Monica Rami­rez Mella   +1 more
doaj   +1 more source

The antimicrobial capacity of Cistus salviifolius and Punica granatum plant extracts against clinical pathogens is related to their polyphenolic composition

Scientific Reports, 2021
Antimicrobial resistance poses a serious threat to human health worldwide. Plant compounds may help to overcome antibiotic resistance due to their potential resistance modifying capacity.
Francisco Javier Álvarez-Martínez, Juan Carlos Rodríguez, Fernando Borrás-Rocher, Enrique Barrajón-Catalán, Vicente Micol   +4 more
doaj   +1 more source