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Sammanfattning

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.

Nyckelord

type 2 diabetes; whole grains; biomarker; alkylresorcinols; nested case-control studies

Publicerad i

American Journal of Clinical Nutrition
2016, volym: 104, nummer: 1, sidor: 88-96
Utgivare: AMER SOC NUTRITION-ASN

SLU författare

Globala målen (SDG)

SDG3 God hälsa och välbefinnande

UKÄ forskningsämne

Näringslära och dietkunskap
Livsmedelsvetenskap

Publikationens identifierare

  • DOI: https://doi.org/10.3945/ajcn.116.133496

Permanent länk till denna sida (URI)

https://res.slu.se/id/publ/80522