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Plasma alkylresorcinols, biomarkers of whole-grain wheat and rye intake, and risk of type 2 diabetes in Scandinavian men and women
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2016 (English)In: American Journal of Clinical Nutrition, ISSN 0002-9165, E-ISSN 1938-3207, Vol. 104, no 1, 88-96 p.Article in journal (Refereed) PublishedText
Abstract [en]

Background: Studies that use dietary biomarkers to investigate the association between whole-grain intake and the risk of developing type 2 diabetes (T2D) are lacking. Objective: We examined the association between plasma total alkylresorcinols and the alkylresorcinol C17:0-to-C21:0 ratio, biomarkers of whole-grain wheat and rye intake and relative whole grain rye over whole-grain wheat intake, respectively, and the risk of T2D among Scandinavian men and women. Design: A nested case-control study was established within the Northern Sweden Health and Disease Study and the Danish Diet, Cancer and Health cohort. Alkylresorcinol concentrations and the ratios of C17:0 to C21:0 were determined in plasma samples from 931 case-control pairs. ORs for T2D were calculated for plasma total alkylresorcinol concentration or C17:0-to-C21:0 ratio in quartiles with the use of conditional logistic regression that was adjusted for potential confounders. Additional analyses with whole-grain wheat and rye intake estimated from food-frequency questionnaires (FFQs) as exposures were also performed. Results: The plasma total alkylresorcinol concentration was not associated with T2D risk (OR: 1.34; 95% CI: 0.95, 1.88) for the highest compared with the lowest quartiles in multivariable adjusted models. However, the C17:0-to-C21:0 ratio was associated with a lower diabetes risk (OR: 0.54; 95% CI: 0.37, 0.78). Analyses with whole-grain intake estimated from FFQs yielded similar results. Conclusions: Total whole-grain wheat and rye intake, reflected by alkylresorcinols in plasma, was not associated with a lower risk of T2D in a population with high whole-grain intake. In contrast, the proportion of whole-grain rye to whole-grain wheat intake, indicated by the plasma C17:0-to-C21:0 ratio, was inversely associated with T2D. This suggests that whole-grain intake dominated by rye may be favorable for T2D prevention.

Place, publisher, year, edition, pages
American Society for Nutrition , 2016. Vol. 104, no 1, 88-96 p.
Keyword [en]
type 2 diabetes, whole grains, biomarker, alkylresorcinols, nested case-control studies
National Category
Nutrition and Dietetics
URN: urn:nbn:se:umu:diva-124254DOI: 10.3945/ajcn.116.133496ISI: 000378977200013PubMedID: 27281306OAI: diva2:950669
Available from: 2016-08-01 Created: 2016-07-29 Last updated: 2016-08-01Bibliographically approved

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Lindahl, BerntJohansson, Ingegerd
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Department of Public Health and Clinical MedicineDepartment of Odontology
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