Monosodium Glutamate Intake, Dietary Patterns and Asthma in Chinese Adults
Emerging evidence shows that diet is related to asthma. The aim of this analysis was to investigate the association between monosodium glutamate (MSG) intake, overall dietary patterns and asthma.
Methods
Data from 1486 Chinese men and women who participated in the Jiangsu Nutrition Study (JIN) were analyzed. In this study, MSG intake and dietary patterns were quantitatively assessed in 2002. Information on asthma history was collected during followed-up in 2007.
Results
Of the sample, 1.4% reported ever having asthma. MSG intake was not positively associated with asthma. There was a significant positive association between ‘traditional’ (high loadings on rice, wheat flour, and vegetable) food pattern and asthma. No association between ’macho’ (rich in meat and alcohol), ‘sweet tooth’ (high loadings on cake, milk, and yoghurt) ‘vegetable rich’ (high loadings on whole grain, fruit, and vegetable) food patterns and asthma was found. Smoking and overweight were not associated with asthma in the sample.
Conclusion
While a ‘Traditional’ food pattern was positively associated with asthma among Chinese adults, there was no significant association between MSG intake and asthma.
Citation: Shi Z, Yuan B, Wittert GA, Pan X, Dai Y, et al. (2012) Monosodium Glutamate Intake, Dietary Patterns and Asthma in Chinese Adults. PLoS ONE 7(12): e51567. doi:10.1371/journal.pone.0051567
Editor: D. William Cameron, University of Ottawa, Canada
Received: August 7, 2012; Accepted: November 2, 2012; Published: December 11, 2012
Copyright: © 2012 Shi et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Funding: The study was funded by Jiangsu Provincial Natural Science Foundation BK2008464 and Jiangsu Provincial Health Bureau, China. The data analysis was supported a research grant from International Glutamate Technical Committee. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
Competing interests: The authors have read the journal's policy and have the following conflicts. The data analysis was supported a research grant from International Glutamate Technical Committee. There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.
* E-mail: zumin.shi@adelaide.edu.au
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