Effects of Vitamin C and e intake on peak expiratory flow rate of asthmatic children exposed to atmospheric particulate matter

Huey-Jen Su, Chih Hui Chang, Hsiu-Ling Chen

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

One hundred eighty-four asthmatic children were selected from 8 schools in Tainan City (high PM10 [particulate matter with aerodynamic diameter <10 μm] exposure) and Hualien County (low PM10 exposure) in Taiwan, and completed records of dietary consumption, daily peak expiratory flow rate (PEFR), and daily respiratory symptoms for 1 week. The higher prevalence of PEFR less than 80% predicted was found in children of high-exposure district than of low-exposure one, as well as in subjects with high intake of vitamin E than those who took less vitamin E. Furthermore, the risk of declining PEFR appeared to significantly decrease for subjects with both high intake of vitamins C and E and residing in area of low PM10 levels as compared with those with low intake of vitamins C and E and residing in high-exposure area. The beneficiary effect of vitamin C and E intake on PEFR improvement for asthmatic children with low air pollution is suggested.

Original languageEnglish
Pages (from-to)80-86
Number of pages7
JournalArchives of Environmental and Occupational Health
Volume68
Issue number2
DOIs
Publication statusPublished - 2013 Jan 1

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Peak Expiratory Flow Rate
Particulate Matter
peak flow
ascorbic acid
Vitamin E
Ascorbic Acid
particulate matter
Flow rate
vitamin
Diet Records
Air Pollution
Air pollution
Taiwan
aerodynamics
Aerodynamics
atmospheric pollution
effect
atmospheric particulate
exposure
rate

All Science Journal Classification (ASJC) codes

  • Environmental Science(all)
  • Health, Toxicology and Mutagenesis
  • Toxicology
  • Public Health, Environmental and Occupational Health

Cite this

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abstract = "One hundred eighty-four asthmatic children were selected from 8 schools in Tainan City (high PM10 [particulate matter with aerodynamic diameter <10 μm] exposure) and Hualien County (low PM10 exposure) in Taiwan, and completed records of dietary consumption, daily peak expiratory flow rate (PEFR), and daily respiratory symptoms for 1 week. The higher prevalence of PEFR less than 80{\%} predicted was found in children of high-exposure district than of low-exposure one, as well as in subjects with high intake of vitamin E than those who took less vitamin E. Furthermore, the risk of declining PEFR appeared to significantly decrease for subjects with both high intake of vitamins C and E and residing in area of low PM10 levels as compared with those with low intake of vitamins C and E and residing in high-exposure area. The beneficiary effect of vitamin C and E intake on PEFR improvement for asthmatic children with low air pollution is suggested.",
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