The association of dietary total flavonoids and their subclasses with the risk of type 2 diabetes: a prospective cohort study

Woo, Hye Won; Kim, Mi Kyung; Ji-Sook, Kong; Lee, Jiseon; Shin, Min-Ho; Koh, Sang Baek; Kim, Hyeon Chang; Kim, Yu-Mi

doi:10.1007/s00394-024-03341-x

Eur J Nutr

2024

DOI: 10.1007/s00394-024-03341-x

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The association of dietary total flavonoids and their subclasses with the risk of type 2 diabetes: a prospective cohort study

Hye Won Woo,

Mi Kyung Kim,

Kong Ji-Sook

et al.

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2024

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Cited by 1 publication

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Expansion of a food composition database for the food frequency questionnaire in the Korean Genome and Epidemiology Study (KoGES): a comprehensive database of dietary antioxidants and total antioxidant capacity

Lee,

Kong,

Woo

et al. 2024

Epidemiol Health

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Objectives: This study constructed a comprehensive database of dietary antioxidants and total antioxidant capacity (TAC) to facilitate the estimation of daily antioxidant intake using a food frequency questionnaire (FFQ). This database was applied to 3 general population-based cohorts (n=195,961) within the Korean Genome and Epidemiology Study (KoGES).Methods: To establish a database of 412 foods derived from recipes of a 106-item FFQ, we followed a pre-established standardized protocol. This included the selection of source databases, matching of foods, substitution of unmatched items with identical foods and input of values, and assessment of coverage. For each food, the TAC was estimated by summing the individual antioxidant capacities, calculated by multiplying the amount of each antioxidant by its vitamin C equivalent antioxidant capacity. Results:We identified 48 antioxidants across 5 classes: retinol, carotenoids, vitamins C and E, and flavonoids, with flavonoids divided into 7 subclasses. TAC values were then established.Coverage exceeded 90.0% for retinol, carotenoids, vitamin C, and vitamin E, while coverage for flavonoids was 60.9%. The daily intakes of 4 antioxidant classes-all but vitamin E-were higher in women than in men. The Ansan-Ansung cohort exhibited the highest levels of dietary TAC, vitamin E, and flavonoids, while the Health Examinees Study cohort displayed the highest values for retinol, carotenoids, and vitamin C. Conclusions:We customized a comprehensive antioxidant database for the KoGES FFQ, achieving relatively high coverage. This expansion could support research investigating the impact of dietary antioxidants on the development of chronic diseases targeted by the KoGES.

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Expansion of a food composition database for the food frequency questionnaire in the Korean Genome and Epidemiology Study (KoGES): a comprehensive database of dietary antioxidants and total antioxidant capacity

Lee,

Kong,

Woo

et al. 2024

Epidemiol Health

View full text Add to dashboard Cite

show abstract

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The association of dietary total flavonoids and their subclasses with the risk of type 2 diabetes: a prospective cohort study

Cited by 1 publication

References 56 publications

Expansion of a food composition database for the food frequency questionnaire in the Korean Genome and Epidemiology Study (KoGES): a comprehensive database of dietary antioxidants and total antioxidant capacity

Expansion of a food composition database for the food frequency questionnaire in the Korean Genome and Epidemiology Study (KoGES): a comprehensive database of dietary antioxidants and total antioxidant capacity

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