Grape antioxidant dietary fibre. A natural food additive and a dietary supplement
2009
Perez-Jimenez, Jara | Sayago-Ayerdi, Sonia Guadalupe
Dietary fibre and antioxidants, particularly phenolic compounds, are natural constituents of plant foods which have shown several properties as food additives and as health-promoting agents. Grape Antioxidant Dietary Fibre (GADF) is a natural constituent obtained from red grope pomace, which combines in a single product a high content of DF and phenolic compounds. Addition of GADF to cooked chicken hamburgers significantly improved the oxidative stability and the free radicals scavenging activity. Similarly, white grope antioxidant pomace delayed lipid oxidation in minced fish muscle during three months of frozen storage. GADF has also shown in studies in rats and humans different health-promoting effects in relation to cardiovascular disease, antioxidant status and colonic health. Further research is needed to consider the possible synergistic effects that may take place in natural products rich in both DF and phenolic compounds, as well as their potential to be used as natural additives and/or as dietary supplements.
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