NDLI: Distribution of procyanidins and their metabolites in rat plasma and tissues after an acute intake of hazelnut extract

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Polyphenols prevent lipid abnormalities and arterial dysfunction in hamsters on a high-fat diet: a comparative study of red grape and white persimmon wines

Distribution of procyanidins and their metabolites in rat plasma and tissues after an acute intake of hazelnut extract

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Food & Function Vol - 2 Issue - 8

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Food & Function Vol - 2 Issue - 2

Food & Function Vol -1

Distribution of procyanidins and their metabolites in rat plasma and tissues after an acute intake of hazelnut extract

Content Provider	Royal Society of Chemistry (RSC)
Author	Anglès, Neus Romero, Maria-Paz Serra, Aida Morelló, José Ramón Macià, Alba Motilva, Maria-José
Copyright Year	2011
Abstract	Procyanidins are present in a wide range of dietary foods and their metabolism is well known. Nevertheless, the biological target and their distribution are topics lacking information. The purpose of the present work was to study the metabolism and distribution of procyanidins and their metabolites in rat plasma and different tissues, such as liver, brain, lung, kidney, intestine, testicle, spleen, heart and thymus, after 2 h of an acute intake of hazelnut extract rich in procyanidins (5 g kg−1 of rat body weight). The interest of an acute intake of procyanidins instead of repeated low doses from daily ingestion of is to achieve a concentration of metabolites in the tissues that allows their detection and quantification. The results showed that catechin and epicatechin-glucuronide, methyl catechin and epicatechin-glucuronide and methyl catechin and epicatechin-sulphate were detected in plasma samples at the μmol level. On the other hand, catechin-glucuronide, methyl catechin-glucuronide and methyl catechin-sulphate were identified in some tissues, such as thymus, intestine, lung, kidney, spleen and testicle at the nmol level. Procyanidins with a low grade of polymerization (dimers and trimers) were detected in plasma samples and the intestine. Additionally, a wide range of simple aromatic acids from fermentation by the colonic microflora was detected in all tissues studied.
Starting Page	562
Ending Page	568
Page Count	7
File Format	HTM / HTML PDF
ISSN	20426496
Volume Number	2
Issue Number	9
Journal	Food & Function
DOI	10.1039/c1fo10083a
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Metabolism Biological target Blood plasma Liver Lung Kidney Gastrointestinal tract Testicle Spleen Thymus Hazelnut Catechin Polymerization Aromatic acid Fermentation Gut flora
Content Type	Text
Resource Type	Article
Subject	Medicine Food Science

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