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  • Title: Biochemical effects of supplemented long-chain polyunsaturated fatty acids in hyperphenylalaninemia.
    Author: Agostoni C, Scaglioni S, Bonvissuto M, Bruzzese MG, Giovannini M, Riva E.
    Journal: Prostaglandins Leukot Essent Fatty Acids; 2001 Feb; 64(2):111-5. PubMed ID: 11237478.
    Abstract:
    Hyperphenylalaninemic (HPA) children display low levels of long-chain polyunsaturated fatty acids (LCPUFA), particularly docosahexaenoic acid (DHA), in circulating lipids and erythrocytes. We have investigated the effects on the blood fatty acid status and lipid picture of a balanced supplementation with LCPUFA in HPA children through a double-blind, placebo-controlled trial. A total of 20 well-controlled HPA, school-age children were randomized to receive through a 12-month trial fat capsules supplying either 26% fatty acid as LCPUFA (including 4.6%gamma -linolenic acid, 7.4% arachidonic acid, AA, 5.5% eicosapentaenoic acid and 8% DHA) or placebo (olive oil). The study supplementation was administered in order to provide 0.3-0.5% of the individual daily energy requirements as LCPUFA. Reference data were obtained from healthy children of comparable age. Among HPA children (whose DHA status was poor at baseline), those supplemented with LCPUFA showed an increase of around 100% in the baseline DHA levels in plasma phospholipids and erythrocytes. No changes of AA levels were observed. Blood lipid levels did not significantly change. A balanced supplementation with LCPUFA in treated HPA children may improve the DHA status without adversely affecting the AA status.
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