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Removal of formaldehyde from indoor air by potted Sansevieria trifasciata plants: dynamic influence of physiological traits on the process.

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Title: Removal of formaldehyde from indoor air by potted Sansevieria trifasciata plants: dynamic influence of physiological traits on the process.
Authors: Li, Jian1,2 (AUTHOR), Chen, Silan1 (AUTHOR), Zhong, Jiaochan1 (AUTHOR), Lin, Shujie1 (AUTHOR), Pang, Shifan1 (AUTHOR), Tu, Qianying1 (AUTHOR), Agranovski, Igor2 (AUTHOR) i.agranovski@griffith.edu.au
Source: Environmental Science & Pollution Research. Nov2024, Vol. 31 Issue 54, p62983-62996. 14p.
Subject Terms: *Plant indicators, *Formaldehyde, *Plant roots, *Oxidation-reduction reaction, *Stress management
Abstract: Plant-based removal of indoor formaldehyde is a widely studied method, yet little is known about the dynamic changes in this process. In this study, potted Sansevieria trifasciata Prain plants were exposed to 5-ppm formaldehyde gas concentration for 7 days. The results showed that formaldehyde exposure led to plant stress, affected photosynthesis, and damaged membrane lipids, as evidenced by a decrease in chlorophyll content, an increase in Chl a/b ratio and malondialdehyde content. However, the formaldehyde removal ability of the plants increased over the first 5 days, peaking at 18.02 mg h−1 kg−1 dry weight on the 5th day. This trend was correlated with changes in various indicators in the plant roots, including phytohormone and antioxidant enzymes. Notably, catalase activity in the roots behaved differently from other indicators. The indicators in the leaves showed turning points around the 3rd day due to the direct exposure of the leaves to formaldehyde. The relative abundance of endophytes indicated an increase in plant growth-promoting bacteria, which helped the plant cope with formaldehyde stress. The study suggests that under formaldehyde stress, plants manage active oxygen content by increasing phytohormones and regulating redox reactions. This enhances their tolerances to formaldehyde, thereby improving their ability to remove formaldehyde and aiding recovery after formaldehyde exposure. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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DbLabel: Energy & Power Source
An: 181133077
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  Label: Title
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  Data: Removal of formaldehyde from indoor air by potted Sansevieria trifasciata plants: dynamic influence of physiological traits on the process.
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  Data: <searchLink fieldCode="AR" term="%22Li%2C+Jian%22">Li, Jian</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Silan%22">Chen, Silan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhong%2C+Jiaochan%22">Zhong, Jiaochan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lin%2C+Shujie%22">Lin, Shujie</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pang%2C+Shifan%22">Pang, Shifan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tu%2C+Qianying%22">Tu, Qianying</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Agranovski%2C+Igor%22">Agranovski, Igor</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> i.agranovski@griffith.edu.au</i>
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  Data: <searchLink fieldCode="JN" term="%22Environmental+Science+%26+Pollution+Research%22">Environmental Science & Pollution Research</searchLink>. Nov2024, Vol. 31 Issue 54, p62983-62996. 14p.
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  Data: *<searchLink fieldCode="DE" term="%22Plant+indicators%22">Plant indicators</searchLink><br />*<searchLink fieldCode="DE" term="%22Formaldehyde%22">Formaldehyde</searchLink><br />*<searchLink fieldCode="DE" term="%22Plant+roots%22">Plant roots</searchLink><br />*<searchLink fieldCode="DE" term="%22Oxidation-reduction+reaction%22">Oxidation-reduction reaction</searchLink><br />*<searchLink fieldCode="DE" term="%22Stress+management%22">Stress management</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Plant-based removal of indoor formaldehyde is a widely studied method, yet little is known about the dynamic changes in this process. In this study, potted Sansevieria trifasciata Prain plants were exposed to 5-ppm formaldehyde gas concentration for 7 days. The results showed that formaldehyde exposure led to plant stress, affected photosynthesis, and damaged membrane lipids, as evidenced by a decrease in chlorophyll content, an increase in Chl a/b ratio and malondialdehyde content. However, the formaldehyde removal ability of the plants increased over the first 5 days, peaking at 18.02 mg h−1 kg−1 dry weight on the 5th day. This trend was correlated with changes in various indicators in the plant roots, including phytohormone and antioxidant enzymes. Notably, catalase activity in the roots behaved differently from other indicators. The indicators in the leaves showed turning points around the 3rd day due to the direct exposure of the leaves to formaldehyde. The relative abundance of endophytes indicated an increase in plant growth-promoting bacteria, which helped the plant cope with formaldehyde stress. The study suggests that under formaldehyde stress, plants manage active oxygen content by increasing phytohormones and regulating redox reactions. This enhances their tolerances to formaldehyde, thereby improving their ability to remove formaldehyde and aiding recovery after formaldehyde exposure. [ABSTRACT FROM AUTHOR]
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      – Type: doi
        Value: 10.1007/s11356-024-35366-4
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      – Code: eng
        Text: English
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        Type: general
      – SubjectFull: Formaldehyde
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      – SubjectFull: Plant roots
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      – SubjectFull: Oxidation-reduction reaction
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      – SubjectFull: Stress management
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            NameFull: Chen, Silan
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              Text: Nov2024
              Type: published
              Y: 2024
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