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Vitis vinifera seed extract reduces venous reflux time in patients with varicose veins: VICTORY randomized controlled trial. [PDF]

J Vasc Surg Venous Lymphat Disord
Bae S, Kim H, Son NH, Kim M, Park S, Jung IH.   +5 more
europepmc   +1 more source

Harnessing red grape pomace extract for sustainable broad-spectrum photoprotection in a reconstructed human epidermis model. [PDF]

Front Pharmacol
Smeriglio A, Mangano M, Ingegneri M, La Neve A, Brenna C, Mastracci L, Merlino F, Tonon G, Bosco D, Trombetta D.   +9 more
europepmc   +1 more source

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Mutagenicity of proanthocyanidins

Food and Chemical Toxicology, 1987
Several procyanidins with different degrees of polymerization (dimers, a trimer and a polymer) and extracted from different natural sources were found to be non-mutagenic in the Salmonella mutagenesis assay system. A mutagenic impurity in procyanidin B-4 was isolated by means of reversed-phase high-performance liquid chromatography (HPLC) and ...
C L, Yu, B, Swaminathan
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Condensed proanthocyanidins of fababeans

Journal of the Science of Food and Agriculture, 1980
AbstractCondensed proanthocyanidins were extracted from fababean hulls with water. The aqueous extract, after deproteinisation by freezing, thawing and acetone precipitation, was purified by chromatography using Sephadex LH20 gel and 95% ethanol developing solvent.
P E, Cansfield, R R, Marquardt, L D, Campbell   +2 more
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Healthy properties of proanthocyanidins

BioFactors, 2010
AbstractProanthocyanidins, also named condensed tannins, are the result of flavanols condensation. Oligomers and polymers of proanthocyanidins can widely be found in the plant kingdom, as in fruits and berries, seeds, flowers, and leafs. They have a putative role as antioxidants, and they affect the inflammatory process via calcium‐dependent release of
Rocío, de la Iglesia, Fermín I, Milagro, Javier, Campión, Noemí, Boqué, J Alfredo, Martínez   +4 more
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Proanthocyanidins ofPolygonum coriarium

Chemistry of Natural Compounds, 1969
The roots ofPolygonum coriarum have yielded two oligomeric proanthocyanidins, T1 and T2, and their structures have been established: 3-O-galloyl-7-O-[O-(6-O-galloyl)-β-D-glucopyranosyl]-(−)-epigallocatechin-(4β-8)-(−)-epicatechin-(4β-8)-(−)-epicatechin-(4β-8)-(−)-epigallocatechin 3-O-gallate (T1) and (−)-epicatechin-(4β-8)-[3-O-galloyl ...
Sh. Yu. Islambekov, A. K. Karimdshanov, A. I. Ismailov, A. S. Sadykov   +3 more
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Plant proanthocyanidins. Part II. Proanthocyanidin-A2 and its derivatives

Journal of the Chemical Society, Perkin Transactions 1, 1974
The 2,7″-epoxy-4,8″-biflavan structure (1) has been deduced for the natural proanthocyanidin-A2 on the basis of spectroscopic (13C and 1H n.m.r.) and chemical evidence. Spectroscopic data are also outlined which lead, in association with biogenetic arguments, to a proposal (1a) for the absolute stereochemistry of the natural product.
David Jacques, Edwin Haslam, Geoffery R. Bedford, David Greatbanks   +3 more
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