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Closed Access item Dietary hydroxybenzoic acid derivatives - nature, occurrence and dietary burden

Authors:Tomás Barberán, Francisco
Clifford, Michael N.
Keywords:Dietary intake, Benzoic, Hydroxybenzoic, Ellagic, Food additives, Gallic, Gentisic, Permitted antioxidants, Permitted preservatives, Protocatechuic, Salicylic, Syringic
Issue Date:19-May-2000
Publisher:John Wiley & Sons
Citation:Journal of the Science of Food and Agriculture 80(7): 1024-1032 (2000)
Abstract:Quantitative data for hydroxybenzoic acids (naturally occurring and permitted additives) and their conjugates in foods and beverages are summarised. Tea, rosaceous fruits, red wines and potatoes are important sources for which more comprehensive compositional data are required. Their absorption, metabolism, toxicological evaluation and possible biological significance are discussed. There are insufficient data to properly define the dietary burdens, but it would seem that ellagic acid and gallic acid from natural sources may dominate in many cases, although the intake of added benzoic acid may be of a similar magnitude. It is pointed out that an additional, previously overlooked and possibly significant burden, particularly of benzoic acid itself, might arise as a result of the gut flora metabolism of larger-mass dietary phenols.
Description:9 pages, 1 figure, 2 tables.-- Review.
Publisher version (URL):http://dx.doi.org/10.1002/(SICI)1097-0010(20000515)80:7<1024::AID-JSFA567>3.0.CO;2-S
URI:http://hdl.handle.net/10261/18178
ISSN:0022-5142
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Appears in Collections:(CEBAS) Artículos

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