Results 21 to 30 of about 18,971 (258)

Characterization and Potential Antidiabetic Activity of Proanthocyanidins from the Barks of Acacia mangium and Larix gmelinii

open access: yesJournal of Chemistry, 2019
Proanthocyanidins in ethanol extracts from the barks of Acacia mangium and Larix gmelinii were analyzed by gel permeation chromatography, MALDI-TOF/TOF MS, and HPLC/MS.
X. Chen, J. Xiong, Q. He, F. Wang
doaj   +1 more source

Chemical Synthesis of Proanthocyanidins in Vitro and Their Reactions in Aging Wines

open access: yesMolecules, 2008
Proanthocyanidins are present in many fruits and plant products like grapes and wine, and contribute to their taste and health benefits. In the past decades of years, substantial progresses has been achieved in the identification of composition and ...
Qiu-Hong Pan   +3 more
doaj   +1 more source

Coupling Hydrophilic Interaction Chromatography and Reverse-Phase Chromatography for Improved Direct Analysis of Grape Seed Proanthocyanidins

open access: yesFoods, 2023
Acid-catalyzed depolymerization is recognized as the most practical method for analyzing subunit composition and the polymerization degree of proanthocyanidins, involving purification by removing free flavan-3-ols, as well as acid-catalyzed cleavage and ...
Ruge Lin   +5 more
doaj   +1 more source

Effect of proanthocyanidins on cell membrane properties of Saccharomyces cerevisiae [PDF]

open access: yesZhongguo niangzao
In order to investigate the action mechanism of proanthocyanidins from the perspective of cell membrane, the effects of 0.5 g/L and 1.0 g/L proanthocyanidins on the characteristics of the cell membrane of Saccharomyces cerevisiae were studied.
DING Rui, ZHAO Hongwei, LI Jingyuan
doaj   +1 more source

Extraction optimization of raspberry proanthocyanidins and determination of its antioxidant activities in vitro

open access: yesFood and Agricultural Immunology, 2021
The isolation of proanthocyanidins from raspberries and their antioxidant activity remains an ongoing challenge. Optimization of ultrasound-assisted extraction method of raspberry proanthocyanidins by response surface analysis.
Hao Shi   +6 more
doaj   +1 more source

Effectiveness of Cranberry Supplementation for Prevention and Treatment of Infectious Urinary Tract Disease in Dogs and Cats: A Systematic Review. [PDF]

open access: yesJ Vet Pharmacol Ther
ABSTRACT Cranberry and cranberry extracts are available for treatment or prevention of urinary tract disease in dogs and cats, but guidance regarding their use is lacking. The objectives were to identify and assess literature pertaining to the efficacy of cranberry and cranberry extract supplementation for prevention and treatment of bacterial cystitis
Weese JS, Weese HE.
europepmc   +2 more sources

Boosting the Antioxidant Potential of Polymeric Proanthocyanidins in Litchi (Litchi chinensis Sonn.) Pericarp via Biotransformation of Utilizing Lactobacillus Plantarum

open access: yesFoods, 2023
In order to enhance the efficient utilization of polymeric proanthocyanidins from litchi pericarp, a process for transforming litchis’ polymeric proanthocyanidins (LPPCs) by using Lactobacilli has been established for products with highly antioxidative ...
Haocheng Liu   +4 more
doaj   +1 more source

Exploring the Interaction Mechanism between Persimmon Proanthocyanidins and Mucin Based on Fluorescence Spectroscopy

open access: yesShipin gongye ke-ji
To determine the influence of mucin on the intestinal digestion and release of proanthocyanidins derived from persimmon, the physicochemical characteristics of persimmon proanthocyanidins-mucin complexes and the interaction mechanisms between persimmon ...
Zhenzhen GE   +6 more
doaj   +1 more source

The Proanthocyanidin Profile in Beer and Its Raw Materials

open access: yesKvasný průmysl, 2015
The presence of proanthocyanidins, substances belonging to the general group of polyphenols in beer is generally rather undesirable due to their tendency to form complexes with proteins, and thereby degrade the colloidal stability of beer.
Jana Olšovská   +3 more
doaj   +1 more source

Proanthocyanidins Extracted from Rhododendron pulchrum Leaves as Source of Tyrosinase Inhibitors: Structure, Activity, and Mechanism. [PDF]

open access: yesPLoS ONE, 2015
The objective of this study was to assess the structure, anti-tyrosinase activity, and mechanism of proanthocyanidins extracted from Rhododendron pulchrum leaves.
Wei-Ming Chai   +6 more
doaj   +1 more source

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