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Epidemiological Studies of Japanese Diet: Health and Nutritional Outcomes

A special issue of Nutrients (ISSN 2072-6643). This special issue belongs to the section "Nutritional Epidemiology".

Deadline for manuscript submissions: 25 December 2024 | Viewed by 1583

Special Issue Editor


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Guest Editor

Special Issue Information

Dear Colleagues,

Since the 1970s, Japan has had the highest class of life expectancies in the world. This is characterized by a low rate of ischemic heart disease mortality and a low prevalence of obesity in comparison to Western countries. It has been hypothesized that the unique diet of Japanese people over the past half-century has contributed to these characteristics. Therefore, it is expected that conducting studies on the Japanese diet may help in the consideration of healthy diets.

Despite the above expectations regarding Japanese diets, epidemiological studies of Japanese diets are considerably less common than those of Mediterranean diets. Epidemiological evidence about the benefits of Japanese diets on health and nutritional outcomes is needed.

This Special Issue aims to collate articles focusing on epidemiological studies of Japanese diets in terms of health and nutritional outcomes. For example, we welcome submissions of papers focused on the following research topics:

- The impact of the Japanese diet on healthy aging and longevity;
- Epidemiological evidence of ingredients (food items or nutritional components) of the Japanese diet on health and disease in human subjects;
- Nutritional characteristics of the Japanese diet;
- The definition (components) of the Japanese dietary pattern;
- Different dietary patterns among the Japanese population in different social contexts;
- Generalization (external validity) of Japanese diet to non-Japanese populations.

Dr. Yasutake Tomata
Guest Editor

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Keywords

  • Japanese diet
  • Japanese dietary pattern
  • Asian dietary patterns
  • nutritional characteristics
  • epidemiology
  • clinical trials
  • soybeans
  • green tea
  • seaweeds

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Published Papers (1 paper)

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Research

13 pages, 2188 KiB  
Article
Japanese Diet Indices and Nutrient Density in US Adults: A Cross-Sectional Analysis with NHANES Data
by Marin Aono, Serika Ushio, Yuno Araki, Ririko Ueno, Suzuna Iwano, Aru Takaoka and Yasutake Tomata
Nutrients 2024, 16(15), 2431; https://doi.org/10.3390/nu16152431 - 26 Jul 2024
Viewed by 1223
Abstract
Background: Previous studies have shown that Japanese dietary patterns are associated with high nutrient density. However, these studies were limited to the Japanese population. We examined this association in the US population. Methods: A cross-sectional analysis was conducted using data from the National [...] Read more.
Background: Previous studies have shown that Japanese dietary patterns are associated with high nutrient density. However, these studies were limited to the Japanese population. We examined this association in the US population. Methods: A cross-sectional analysis was conducted using data from the National Health and Nutrition Examination Survey (NHANES) 2017–2018. We included 3138 people aged 20–79 years. Food and nutrient intake data were based on the 24 h recall method. Three Japanese diet indices were used: (1) Japanese Diet Index (JDI, based on 9 food items), (2) modified JDI (mJDI, based on 12 food items), and (3) weighted JDI (wJDI, selected and weighted from mJDI food items). The nutrient density (ND) score was calculated based on the Nutrient-Rich Food Index 9.3. Spearman’s rank correlation coefficients were calculated. Results: The correlation coefficients with the ND score were 0.24 (p < 0.001) for the JDI and 0.38 (p < 0.001) for the mJDI. The correlation coefficient between the wJDI and ND score was 0.48 (p < 0.001). The three Japanese diet indices were correlated with the ND score in all racial groups (p < 0.001). Conclusions: Even among the US population, higher degrees of Japanese diet defined by the JDI or mJDI were associated with higher nutrient density. Full article
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