Results 21 to 30 of about 3,045 (111)

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

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

Molecules, 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 ...
Takuo Okuda, Hideyuki Ito
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

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

Effects of dietary hydrolyzable tannins on growth performance, antioxidant capacity, intestinal microflora and resistance against Vibrio parahaemolyticus of juvenile Pacific white shrimp, Litopenaeus vannamei (Boone, 1931)

Aquaculture Reports, 2021
Tannins have great potential as an alternative to in-feed antibiotics. However, no study has investigated the effects of tannins on shrimp. The present study assessed the eff ;ects of hydrolyzable tannins (HTs) fed at different inclusion levels (F0 ...
Xu-Feng Zhu, Hui Guo, Guang-Li Li, Chun-Hua Zhu   +3 more
doaj   +1 more source

Salivary proline-rich protein may reduce tannin-iron chelation: a systematic narrative review

Nutrition & Metabolism, 2017
Background Tannins are often cited for antinutritional effects, including chelation of non-heme iron. Despite this, studies exploring non-heme iron bioavailability inhibition with long-term consumption have reported mixed results.
Nicole M. Delimont, Sara K. Rosenkranz, Mark D. Haub, Brian L. Lindshield   +3 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

Changes in content of major phenolic compounds during leaf development of sea buckthorn (Hippophaë rhamnoides L.)

Agricultural and Food Science, 2014
Content of total phenolic compounds and antioxidant capacity (FRAP) were investigated in the leaves of three sea buckthorn (Hippophaë rhamnoides L.) cultivars: ‘Otradnaja’, ‘Gibrid Pertjika’ and ‘Ljubitelskaja’, at different dates.
Anne Morgenstern, Anders Ekholm, Petra Scheewe, Kimmo Rumpunen   +3 more
doaj   +1 more source