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Estimation of caffeine intake in Japanese adults using 16 d weighed diet records based on a food composition database newly developed for Japanese populations
Open accessAbstract
OBJECTIVE: Previous studies in Western populations have linked caffeine intake with health status. While detailed dietary assessment studies in these populations have shown that the main contributors to caffeine intake are coffee and tea, the wide consumption of Japanese and Chinese teas in Japan suggests that sources of intake in Japan may differ from those in Western populations. Among these teas, moreover, caffeine content varies widely among the different forms consumed (brewed, canned or bottled), suggesting the need for detailed dietary assessment in estimating intake in Japanese populations. Here, because a caffeine composition database or data obtained from detailed dietary assessment have not been available, we developed a database for caffeine content in Japanese foods and beverages, and then used it to estimate intake in a Japanese population. DESIGN: The caffeine food composition database was developed using analytic values from the literature, 16 d weighed diet records were collected, and caffeine intake was estimated from the 16 d weighed diet records. SETTING: Four areas in Japan, Osaka (Osaka City), Okinawa (Ginowan City), Nagano (Matsumoto City) and Tottori (Kurayoshi City), between November 2002 and September 2003. SUBJECTS: Two hundred and thirty Japanese adults aged 30-69 years. RESULTS: Mean caffeine intake was 256.2 mg/d for women and 268.3 mg/d for men. The major contributors to intake were Japanese and Chinese teas and coffee (47 % each). Caffeine intake above 400 mg/d, suggested in reviews to possibly have negative health effects, was seen in 11 % of women and 15 % of men. CONCLUSIONS: In this Japanese population, caffeine intake was comparable to the estimated values reported in Western populations.
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In Japan, average daily caffeine consumption is about 260 mg/day in adults.
“A study from Japan using 4-day food diaries reported average daily caffeine consumption as about 260 mg/day in adults (31).”
From The Safety of Ingested Caffeine: A Comprehensive Review (2017) · cites this paper as [31]
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The Safety of Ingested Caffeine: A Comprehensive Review
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Metadata
- Authors
- Yamada, M., Sasaki, S., Murakami, K., Takahashi, Y., Okubo, H., Hirota, N., Notsu, A., Todoriki, H., Miura, A., Fukui, M., & Date, C.
- Affiliations
- The University of Tokyo (JP)
- Wayo Women's University (JP)
- Matsumoto University (JP)
- Tottori College (JP)
- University of the Ryukyus (JP)
- Hamamatsu University (JP)
- Osaka City University (JP)
- Nara Women's University (JP)
- Corresponding author
- Sasaki, Satoshi
- Venue
- Public Health Nutrition
- Publisher
- Cambridge University Press (CUP)
- Published
- 2009-11-16
- Volume
- 13
- Issue
- 5
- Pages
- 663-672
- ISSN
- 1368-9800 (ISSN-L)
- 1475-2727
- OpenAlex
- W2082603812
- Cited by
- 49
- References
- 26
- Citations by year
- 2026: 2 · 2025: 2 · 2024: 1 · 2022: 6 · 2021: 7 · 2020: 2 · 2019: 5 · 2018: 3 · 2017: 3 · 2016: 1 · 2015: 3 · 2014: 4 · 2013: 2 · 2012: 4
- FWCI
- 1.92
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Public Health Nutrition (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Ministry of Health, Labour and Welfare
- Topics
- Health Sciences › Medicine › Pharmacology (medical) › Coffee research and impacts
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Nutritional Studies and Diet
- Life Sciences › Agricultural and Biological Sciences › Food Science › Tea Polyphenols and Effects
- Keywords
- caffeine consumption, dietary assessment, food composition tables, Japanese tea, Chinese tea, coffee consumption, Japanese adults
- MeSH terms
- Adult, Aged, Beverages, Caffeine, Coffee, Diet, Female, Humans, Japan, Male, Middle Aged, Tea, Nutrition Assessment, Diet Records, Databases, Factual, Age Distribution, Sex Distribution
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