Results 31 to 40 of about 30,058 (282)

An online NP-HPLC-DPPH method for the determination of the antioxidant activity of condensed polyphenols in cocoa [PDF]

open access: yes, 2015
In PressUnroasted cocoa beans are rich in monomeric flavanols and particularly epicatechin-based proanthocyanidin oligomers, with the latter making up to 60% of the total polyphenol content.
Fischer, Norbert   +2 more
core   +1 more source

Beneficial Effects of Temperate Forage Legumes that Contain Condensed Tannins

open access: yesAgriculture, 2015
The two temperate forage legumes containing condensed tannins (CT) that promote ruminant production are birdsfoot trefoil (Lotus corniculatus L.; BFT) and sainfoin (Onobrychis viciifolia Scop.; SF). Both are well-adapted to the cool-temperate climate and
Jennifer W. MacAdam, Juan J. Villalba
doaj   +1 more source

Carbon-13 cross-polarization magic-angle spinning nuclear magnetic resonance (CPMAS NMR) for measuring proanthocyanidin content and procyanidin to prodelphinidin ratio in sainfoin (Onobrychis viciifolia) tissues [PDF]

open access: yes, 2018
A procedure based on 13C CPMAS NMR was developed to study procyanidins (PCs) and prodelphinidins (PDs) directly in milled sainfoin plant tissues. Blackcurrant and Tilia samples enabled reference spectra of purified proanthocyanidin (PA) fractions, crude ...
Drake, Chris   +6 more
core   +1 more source

The Effects of Temperature and Ethanol on Proanthocyanidin Adsorption to Grape Cell Wall Material in the Presence of Anthocyanins

open access: yesMolecules, 2020
The quantitative and qualitative impacts of anthocyanins on proanthocyanidin adsorption to grape-derived cell wall material were investigated in fifteen unique systems of varying temperatures, ethanol concentrations, and proanthocyanidin concentrations ...
Jordan W. Beaver   +7 more
doaj   +1 more source

Proanthocyanidin characterization and bioactivity of extracts from different parts of Uncaria tomentosa L. (cat’s claw) [PDF]

open access: yes, 2017
This article belongs to the Special Issue Dietary Antioxidants and Health Promotion.-- et al.Apart from alkaloids, bioactive properties of Uncaria tomentosa L. have been attributed to its phenolic constituents.
Bartolomé, Begoña   +6 more
core   +1 more source

A SQUAMOSA MADS-box gene involved in the regulation of anthocyanin accumulation in bilberry fruits [PDF]

open access: yes, 2010
Anthocyanins are important health promoting phytochemicals that are abundant in many fleshy fruits. Bilberry (Vaccinium myrtillus L.) is one of the best sources of these compounds.
Fraser, Paul D.   +11 more
core   +5 more sources

Proanthocyanidins: A comprehensive review

open access: yesBiomedicine & Pharmacotherapy, 2019
Proanthocyanidins are condensed tannins with various pharmacological properties. These phytochemicals are considered as 'offense and defense molecules because of their human health benefits. The validation of their diverse health aspects, namely, antioxidant, anticancer, antidiabetic, neuroprotective, and antimicrobial has earned them repute in ...
Abdur, Rauf   +9 more
openaire   +2 more sources

Enhancing the total phenolic content and antioxidants of lemon pomace aqueous extracts by applying UV-C irradiation on the dried powder [PDF]

open access: yes, 2016
Several studies have shown that UV-C irradiation promotes the bioactive compounds and antioxidants of fresh fruits and vegetables. The aim of this study was to apply UV irradiation in lemon pomace dried powder for enhancing its phenolic content and ...
Bowyer, Michael C.   +6 more
core   +4 more sources

Efek Senyawa Bioaktif Kayu Manis Cinnamomum Burmanii Nees Ex.bl.) terhadap Diabetes Melitus: Kajian Pustaka [PDF]

open access: yes, 2018
Diabetes Mellitus (DM) is a chronic disorder of carbohydrate metabolism (glucose) in the body and its prevalence is getting higher. Until 2015, 10 million cases of DM found in Indonesia and allegedly ever increasing.
Emilda, E. (Emilda)
core   +2 more sources

Co-preparation of Proanthocyanidin Nanoliposomes by Reverse Evaporation-Ultrasonic Microwave Synergistic Preparation and Its Stability and Antioxidant Activity Analysis

open access: yesShipin gongye ke-ji
To enhance the stability and antioxidant activity of proanthocyanidin, nanoliposomes of proanthocyanidin were prepared from soybean lecithin and cholesterol using a synergistic reverse evaporation-ultrasound-microwave technique. Single-factor experiments
Hongtao REN   +7 more
doaj   +1 more source

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