Results 11 to 20 of about 7,053,254 (292)

Antimicrobial and Antioxidant Properties of Total Polyphenols of Anchusa italica Retz [PDF]

open access: yesMolecules, 2022
Anchusa italica Retz has been used for a long time in phytotherapy. The aim of the present study was to determine the antioxidant and antibacterial activities of extracts from the leaves and roots of Anchusa italica Retz. We first determined the content of phenolic compounds and flavonoids using Folin–Ciocalteu reagents and aluminum chloride (AlCl3 ...
Mostafa El Khomsi   +10 more
openaire   +4 more sources

The Cardiovascular Effects of Cocoa Polyphenols—An Overview

open access: yesDiseases, 2016
Cocoa is a rich source of high-quality antioxidant polyphenols. They comprise mainly catechins (29%–38% of total polyphenols), anthocyanins (4% of total polyphenols) and proanthocyanidins (58%–65% of total polyphenols). A growing body of experimental and
Ana Clara Aprotosoaie   +4 more
doaj   +2 more sources

Assessment of total polyphenols, antioxidants and antimicrobial properties of aonla varieties [PDF]

open access: yesJournal of Food Science and Technology, 2016
Phenolic content, antioxidant activities and antimicrobial activities of methanolic, ethanolic and ethyl acetate extracts of five different varieties of aonla (Emblica officinalis) fruits as well their powders were evaluated. Total polyphenolic content in fresh aonla fruit extracts varied from 70.6 to 159.4 mg GAE/g and their EC 50 (effective ...
Parveen, Kumari, B S, Khatkar
openaire   +3 more sources

Determination of the content of total polyphenols, non-tannin polyphenols and tannins in five species of the genus Teucrium L. [PDF]

open access: yesPeriodicum biologorum, 2015
Background and Purpose: Many species of the genus Teucrium L. are used in folk medicine. These species contain various chemical compounds that contribute to its biological activities. No literature could be found in respect of the determination of total polyphenols, non-tannin polyphenols and tannins in the species T. halacsyanum Heldr., T.
Maleš, Željan   +3 more
openaire   +3 more sources

Els polifenols presents en els aliments com a components funcionals en la prevenció i possible tractament de la hipertensió arterial. [PDF]

open access: yes, 2010
[cat] La hipertensió és un dels principals factors de risc cardiovascular, sent el problema més important de salut pública i la principal causa de mort i discapacitat en els països desenvolupats.
Medina Remón, Alexander
core   +5 more sources

Validation of Spectrophotometric Methods for the Determination of Total Polyphenol and Total Flavonoid Content

open access: yesJournal of AOAC INTERNATIONAL, 2017
Abstract The aim of this study was to validate spectrophotometric methods for the measurement of total polyphenol (TP; via the Folin–Ciocalteu method) and total flavonoid (TF) content [via the aluminum chloride (AlCl3) method]. Validation parameters of these methods were determined, including linearity, sensitivity, precision (intra ...
Matić, Petra   +2 more
openaire   +3 more sources

Antioxidační charakteristiky třešní z různých regionů v České republice [Antioxidation characteristics of sweet cherries from different regions in the Czech republic] [PDF]

open access: yesVědecké Práce Ovocnářské, 2022
Sweet cherries are a very good source of phenolic compounds in our diet, including health-valuable anthocyanins, which have anti-inflammatory, antiviral and anti-tumor effects. This study concerned the determination of chemical attributes of three cherry
Aneta Bílková   +2 more
doaj  

BIOCHEMICAL STUDIES ON MULBERRY FRUITS AND THEIR METHANOLIC EXTRACT . [PDF]

open access: yesJournal of Soil Sciences and Agricultural Engineering, 2009
In this study, total polyphenol ,flavonoid , anthocyanin and ascorbic acid contents were determined in black (Morus nigra L.)  and white (Morus alba L ) mulberry fruits grown in Egypt .
S. A. Kash   +3 more
doaj   +1 more source

Determination of Contents of the Main Nutritional Components, Functional Components of Akebia trifoliata Pericarp and the Antioxidant Activity of Its Extracts

open access: yesShipin gongye ke-ji, 2022
In order to explore the nutritional value and active function of Akebia trifoliata pericarp, the main nutritional components contents of protein, fat, total sugar, reducing sugar, 8 mineral elements, total flavonoids, total phenols and total saponins ...
Mengqin ZHANG   +4 more
doaj   +1 more source

Comparative Evaluation of Total Antioxidant Capacities of Plant Polyphenols [PDF]

open access: yesMolecules, 2016
Thirty-seven samples of naturally occurring phenolic compounds were evaluated using three common in vitro assays for total antioxidant activity (TAC) testing: the Trolox Equivalent Antioxidant Capacity (TEAC), the Ferric Reducing Antioxidant Potential (FRAP) and the 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging assay, in addition to the Folin-
Kristóf Csepregi   +3 more
openaire   +5 more sources

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