Results 31 to 40 of about 6,501 (224)

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

Hydrolysable Tannins and Biological Activities of Meriania hernandoi and Meriania nobilis (Melastomataceae) [PDF]

open access: yes, 2019
A bio-guided study of leaf extracts allowed the isolation of two new macrobicyclic hydrolysable tannins, namely merianin A (1) and merianin B (2), and oct-1-en-3-yl b-xylopyranosyl-(1”-6’)-b-glucopyranoside (3) from Meriania hernandoi, in addition to ...
Ana Julia Colmenares Dulcey   +6 more
core   +2 more sources

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

Persimmon (Diospyros kaki) fruit: hidden phytochemicals and health claims [PDF]

open access: yes, 2015
Currently, nutrition and health linkages focused on emerging strategy of diet based regimen to combat various physiological threats including cardiovascular disorders, oxidative stress, diabetes mellitus, etc.
Ahmed, Waqas   +6 more
core   +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

Karakterisasi Kulit Kayu Tingi (Ceriops Tagal) Sebagai Bahan Penyamak Nabati [PDF]

open access: yes, 2014
Tingi (Ceriops tagal) bark was highly potential as tanning materials due to high tannin concentration. The aim of the study was to determine the characterization of properties of tanning material made from tingi bark, including the tannin levels, the non-
Kasmudjiastuti, E. (Emiliana)
core   +3 more sources

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

Salivary Amylase Induction by Tannin-Enriched Diets as a Possible Countermeasure Against Tannins [PDF]

open access: yes, 2008
Tannins are characterized by protein-binding affinity. They have astringent/bitter properties that act as deterrents, affecting diet selection. Two groups of salivary proteins, proline-rich proteins and histatins, are effective precipitators of tannin ...
Andersen, J.   +5 more
core   +1 more source

Gallotannin-rich Caesalpinia spinosa fraction decreases the primary tumor and factors associated with poor prognosis in a murine breast cancer model [PDF]

open access: yes, 2013
BACKGROUND: Several treatment alternatives are available for primary breast cancer, although those for metastatic disease or inflammation associated with tumor progression are ineffective. Therefore, there is a great need for new therapeutic alternatives
Alejandra Gomez   +7 more
core   +1 more source

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