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Abstract
Epidemiological evidence has shown that a high dietary intake of vegetables and fruit rich in polyphenols is associated with a reduction of cancer incidence and mortality from coronary heart disease. The healthy effects associated with polyphenol consumption have made the study of the mechanisms of action a matter of great importance. In particular, the hydroxybenzoic acid protocatechuic acid (PCA) has been eliciting a growing interest for several reasons. Firstly, PCA is one of the main metabolites of complex polyphenols such as anthocyanins and procyanidins that are normally found at high concentrations in vegetables and fruit, and are absorbed by animals and humans. Since the daily intake of anthocyanins has been estimated to be much higher than that of other polyphenols, the nutritional value of PCA is increasingly recognized. Secondly, a growing body of evidence supports the concept that PCA can exert a variety of biological effects by acting on different molecular targets. It has been shown that PCA possesses antioxidant, anti-inflammatory as well as antihyperglycemic and neuroprotective activities. Furthermore, PCA seems to have chemopreventive potential because it inhibits the in vitro chemical carcinogenesis and exerts pro-apoptotic and anti-proliferative effects in different tissues. This review is aimed at providing an up-dated and comprehensive report on PCA giving a special emphasis on its biological activities and the molecular mechanisms of action most likely responsible for a beneficial role in human disease prevention.
Keywords: Antioxidants, apoptosis, atherosclerosis, bioavailability, cancer, inflammation, phenolic acids, polyphenols, protocatechuic acid, signaling pathways, type 2 diabetes
Current Medicinal Chemistry
Title:Protocatechuic Acid and Human Disease Prevention: Biological Activities and Molecular Mechanisms
Volume: 19 Issue: 18
Author(s): R. Masella, C. Santangelo, M. D’Archivio, G. LiVolti, C. Giovannini and F. Galvano
Affiliation:
Keywords: Antioxidants, apoptosis, atherosclerosis, bioavailability, cancer, inflammation, phenolic acids, polyphenols, protocatechuic acid, signaling pathways, type 2 diabetes
Abstract: Epidemiological evidence has shown that a high dietary intake of vegetables and fruit rich in polyphenols is associated with a reduction of cancer incidence and mortality from coronary heart disease. The healthy effects associated with polyphenol consumption have made the study of the mechanisms of action a matter of great importance. In particular, the hydroxybenzoic acid protocatechuic acid (PCA) has been eliciting a growing interest for several reasons. Firstly, PCA is one of the main metabolites of complex polyphenols such as anthocyanins and procyanidins that are normally found at high concentrations in vegetables and fruit, and are absorbed by animals and humans. Since the daily intake of anthocyanins has been estimated to be much higher than that of other polyphenols, the nutritional value of PCA is increasingly recognized. Secondly, a growing body of evidence supports the concept that PCA can exert a variety of biological effects by acting on different molecular targets. It has been shown that PCA possesses antioxidant, anti-inflammatory as well as antihyperglycemic and neuroprotective activities. Furthermore, PCA seems to have chemopreventive potential because it inhibits the in vitro chemical carcinogenesis and exerts pro-apoptotic and anti-proliferative effects in different tissues. This review is aimed at providing an up-dated and comprehensive report on PCA giving a special emphasis on its biological activities and the molecular mechanisms of action most likely responsible for a beneficial role in human disease prevention.
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Masella R., Santangelo C., D’Archivio M., LiVolti G., Giovannini C. and Galvano F., Protocatechuic Acid and Human Disease Prevention: Biological Activities and Molecular Mechanisms, Current Medicinal Chemistry 2012; 19 (18) . https://dx.doi.org/10.2174/092986712800672102
DOI https://dx.doi.org/10.2174/092986712800672102 |
Print ISSN 0929-8673 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-533X |
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