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#Tabella nutrizionale alimenti pdf to excel free
Galan P, Preziosi P, Monget AL, Richard MJ, Arnaud J, Lesourd B, Girodon F, Alferez MJ, Bourgeois C, Keller H, Favier A, Hercberg S (1997) Effects of trace element and/or vitamin supplementation on vitamin and mineral status, free radical metabolism and immunological markers in elderly long term-hospitalized subjects. Stefanidou M, Maravelias C, Dona A, Spiliopoulou C (2006) Zinc: a multipurpose trace element. 71:721–724īlumberg J (1997) Nutritional needs of seniors. Free Radic Biol Med 26:1194–1201.īettger WJ (1993) Zinc and selenium, site specific versus general antioxidant. Virgili F, Canali R, Figus E, Vignolini F, Nobili F, Mengheri E (1999) Intestinal damage induced by Zn deficiency is associated with enhanced CuZn superoxide dismutase activity in rats.
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Rogers JM, Lonerdal B, Hurley LS, Keen C (1997) Iron and Zn concentration and 59Fe retention in developing fetuses of Zn deficient rats. Zago MP & Orteza PJ (2001) The antioxidant properties of zinc: interactions with iron and antioxidants. Kraus A, Roth HP & Kirchgessner M (1997) Supplementation with vitamin C, vitamin E or beta -carotene influences osmotic fragility and oxidative damage of erythrocytes of Zn-deficient rats. Nature 408:239–247.Īndriollo-Sanchez M, Hininger-Favier I, Meunier N, Venneria E, O’Connor JM, Maiani G, Polito A, Bord S, Ferry M, Coudray C, Roussel AM (2008) No antioxidant beneficial effect of zinc supplementation on oxidative stress markers and antioxidant defenses in middle-aged and elderly subjects: the Zenith study. Adv Clin Chem 35:1–62.įinkel T, Holbrook NJ (2000) Oxidants, oxidative stress and the biology of aging. Knight JA (2000) The biochemistry of aging. It appears that, differently from unhealthy populations, long-term supplementation with two moderate doses of Zn in a healthy elderly population, with an adequate Zn nutritive status and macro and micronutrients intakes in the range of normality, is an inefficient way to increase antioxidant defences. Zn supplementation had no significant effects on red-ox status markers except for vitamin A levels (from 1.94☐.44 to 2.18☐.48 μM in volunteers receiving 15 mg of Zn and from 1.95☐.46 to 2.26☐.56 μM in volunteers receiving 30 mg of Zn), which increased proportionally to zinc dose. Red-ox status markers were assessed at baseline and after 6 months evaluating carotenoids, vitamin A and E in plasma glutathione (GSH), thiol groups (RSH), malondialdehyde (MDA), percentage of haemolysis and methemoglobin in erythrocytes. They were randomly divided in 3 groups of treatment, receiving placebo, 15 mg/day and 30 mg/day of Zn for 6 months. In a double blind study 108 healthy volunteers, aged 70–85 years, were enrolled. The aim of this work was to evaluate the effect of long term supplementation with two moderate dose of Zn on plasma and cellular red-ox status markers in elderly volunteers.