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http://dx.doi.org/10.5620/eht.e2014014

House-plant placement for indoor air purification and health benefits on asthmatics  

Kim, Ho-Hyun (Institute for Environmental Research, Yonsei University College of Medicine)
Yang, Ji-Yeon (Institute for Environmental Research, Yonsei University College of Medicine)
Lee, Jae-Young (Institute of Life Science & Resources, Kyung Hee University)
Park, Jung-Won (Department of Internal Medicine, Yonsei University College of Medicine)
Kim, Kwang-Jin (National Institute of Horticultural & Herbal Science, Rural Development Administration)
Lim, Byung-Seo (Department of Environmental Engineering, Chungbuk National University)
Lee, Geon-Woo (Institute for Environmental Research, Yonsei University College of Medicine)
Lee, Si-Eun (Institute for Environmental Research, Yonsei University College of Medicine)
Shin, Dong-Chun (Department of Preventive Medicine, Yonsei University College of Medicine)
Lim, Young-Wook (Institute for Environmental Research, Yonsei University College of Medicine)
Publication Information
Environmental Analysis Health and Toxicology / v.29, no., 2014 , pp. 14.1-14.8 More about this Journal
Abstract
Objectives Some plants were placed in indoor locations frequented by asthmatics in order to evaluate the quality of indoor air and examine the health benefits to asthmatics. Methods The present study classified the participants into two groups: households of continuation and households of withdrawal by a quasi-experimental design. The households of continuation spent the two observation terms with indoor plants, whereas the households of withdrawal passed the former observation terms with indoor plants and went through the latter observation term without any indoor plants. Results The household of continuation showed a continual decrease in the indoor concentrations of volatile organic compounds (VOCs) during the entire observation period, but the household of withdrawal performed an increase in the indoor concentrations of VOCs, except formaldehyde and toluene during the latter observation term after the decrease during the former observation term. Peak expiratory flow rate (PEFR) increased in the households of continuation with the value of 13.9 L/min in the morning and 20.6 L/min in the evening, but decreased in the households of withdrawal with the value of -24.7 L/min in the morning and -30.2 L/min in the evening in the first experimental season. All of the households exhibited a decrease in the value of PEFR in the second experimental season. Conclusions Limitations to the generalizability of findings regarding the presence of plants indoors can be seen as a more general expression of such a benefit of human-environment relations.
Keywords
Asthma; Formaldehyde; Health; House-plant; Indoor air quality; Volatile organic compounds;
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Times Cited By KSCI : 3  (Citation Analysis)
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