Overview of polyphenols and their properties (CROSBI ID 60801)
Prilog u knjizi | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Belščak-Cvitanović, Ana ; Durgo, Ksenija ; Huđek, Ana ; Bačun-Družina, Višnja ; Komes, Draženka
engleski
Overview of polyphenols and their properties
Today polyphenols represent one of the most well known secondary plant metabolites, characterized by a large and diverse array of unique bioactive properties, which makes them highly appreciated for their beneficial effects on both plants and humans. Chemically, polyphenols constitute structurally extremely diverse phytochemicals, essential for a variety of functions in plants, responsible for major organoleptic and nutritional properties of plant derived foods, and useful for numerous practical applications. In this introductory chapter the basic information on polyphenols are presented, covering their historical background, evolution of the chemical definition of polyphenols and different ways of their classification. The structural diversity of polyphenols is elaborated and related to their common food sources. The basic physicochemical properties of polyphenols, especially the reducing capacity and binding properties (metal chelating activity and protein-polyphenol complexation) are thoroughly elaborated. Different mechanisms of the main bioactive feature of polyphenols and their antioxidant properties are outlined, as well as mechanisms governing their oxidation, reactivity with dioxygen (autoxidation) and modulation of oxidative damage. Additionally, recent progress in the models for probing the antioxidant activity of polyphenols in the gastro-intestinal tract and the effects of controlled polyphenol-rich foods on selected parameters of oxidative stress after consumption are presented.
Antioxidant activity mechanisms ; Metal chelation ; Oxidative stress modulation ; Polyphenols
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Podaci o prilogu
3-44.
objavljeno
Podaci o knjizi
Polyphenols: Properties, Recovery and Applications
Galanakis, M. Charis
Elsevier
2018.
9780128135723