Fatty fish in the diet of patients with type 2 diabetes: comparison of the metabolic effects of foods rich in n-3 and n-6 fatty acids  

Oleh:

Karlstrom, Brita E ; Jarvi, Anette E ; Byberg, Liisa ; Berglund, Lars G ; Vessby, Bengt OH

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: The American Journal of Clinical Nutrition vol. 94 no. 01 (Jul. 2011), page 26-33 .
Topik: LIPIDS; Diabetes; Dietary Fat
Fulltext: Am J Clin Nutr-2011-Karlström-26-33.pdf (91.73KB)

Ketersediaan

Perpustakaan FK Nomor Panggil: A07.K.2011.02 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Background: Dietary advice, including modification of dietary fat quality, is the basis of treatment of diabetes, but there is some uncertainty about the optimal amount of polyunsaturated fatty acids of the n-6 (omega-6) and n-3 (omega-3) series. Objective: The objective was to compare the effects of diets rich in n-3 or n-6 fatty acids on glucose and lipoprotein metabolism in type 2 diabetes. Design: In a crossover study during 2 consecutive 3.5-wk periods, the participants were provided diets with identical nutrient compositions containing either a high proportion of n-3 (n-3 diet) or n-6 (n-6 diet) fatty acids through the inclusion of fatty fish or lean fish and fat containing linoleic acid, respectively. Results: Blood glucose concentrations at fasting and during the day were lower with the n-6 than with the n-3 diet (P = 0.009 and P = 0.029, respectively), and the area under the insulin curve during the day was significantly higher (P = 0.03) with the n-6 diet. Both diets showed similar effects on insulin sensitivity and plasminogen activator inhibitor 1 concentrations. The reductions in VLDLs and serum apolipoprotein B concentrations were more pronounced after the n-3 diet. Conclusions: The risk related to the moderately higher blood glucose concentrations with the n-3–enriched diet may be counteracted by positive effects with regard to lipoprotein concentrations. An increase in long-chain n-3 fatty acids from fatty fish, and of n-6 fatty acids from linoleic acid, may be recommended for patients with type 2 diabetes.

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