1977
DOI: 10.1111/j.1365-2621.1977.tb01218.x
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PROOXIDANT AND ANTIOXIDANT EFFECTS OF ASCORBIC ACID AND METAL SALTS IN a Β‐CAROTENE‐LINOLEATE MODEL SYSTEM

Abstract: The interacting effects of ascorbic acid and metal ions on carotene oxidation were studied in an aqueous carotene-linoleate solution at pH 7. Ascorbic acid at concentrations up to 10W3M was a prooxidant. Fe3+ and, to a lesser extent CoZ+, acted synergistically with ascorbic acid, the prooxidant effect increasing with metal concentration. Cu*+ formed a prooxidant system with ascorbic acid only at low metal concentration, but as the copper concentration was raised, inversion of activity occurred and the copper-a… Show more

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Cited by 117 publications
(82 citation statements)
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“…However, it is also true that AsA accelerates the peroxidation or deterioration of lipids (3)(4)(5). As we reported previously (5), AsA in the reaction mixture containing 10% EtOH accelerated linoleic acid (LA) peroxidation, but AsA in 20% EtOH suppressed the LA peroxidation.…”
Section: Discussionmentioning
confidence: 75%
“…However, it is also true that AsA accelerates the peroxidation or deterioration of lipids (3)(4)(5). As we reported previously (5), AsA in the reaction mixture containing 10% EtOH accelerated linoleic acid (LA) peroxidation, but AsA in 20% EtOH suppressed the LA peroxidation.…”
Section: Discussionmentioning
confidence: 75%
“…When used in meat products at 0.025-0.05%, ascorbic acid and sodium ascorbate inhibited lipid oxidation and preserved the desirable meat flavour (Rhee et al 1997). Ascorbic acid and ascorbates influence lipid oxidation by reducing or interacting with metal ions (Kanner et al 1977). During freeze storage (-20°C), TBARS values of chicken patties increased steadily during 6 months of storage, but the increase rate was faster after 2 months of storage (P < 0.01) ( Table 1).…”
Section: Lipid Oxidationmentioning
confidence: 99%
“…Vitamin C is a factor in detoxification mechanisms against heavy metals (Kanner et al 1977, Thomas et al 1982 and is an essential micronutrient for fish (e.g. growth and reproduction : Millikin 1982).…”
Section: Discussionmentioning
confidence: 99%