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- Title
Methanol-enhanced removal and metabolic conversion of formaldehyde by a black soybean from formaldehyde solutions.
- Authors
Tan, Hao; Xiong, Yun; Li, Kun-zhi; Chen, Li-mei
- Abstract
Methanol regulation of some biochemical and physiological characteristics in plants has been documented in several references. This study showed that the pretreatment of methanol with an appropriate concentration could stimulate the HCHO uptake by black soybean (BS) plants. The process of methanol-stimulated HCHO uptake by BS plants was optimized using the Central Composite Design and response surface methodology for the three variables, methanol concentration, HCHO concentration, and treatment time. Under optimized conditions, the best stimulation effect of methanol on HCHO uptake was obtained. C-NMR analysis indicated that the HCHO metabolism produced HCOOH, [2-C]Gly, and [3-C]Ser in BS plant roots. Methanol pretreatment enhanced the metabolic conversion of HCHO in BS plant roots, which consequently increased HCHO uptake by BS plants. Therefore, methanol pretreatment might be used to increase HCHO uptake by plants in the phytoremediation of HCHO-polluted solutions.
- Subjects
FORMALDEHYDE; METHANOL; SOYBEAN; PHYTOREMEDIATION; RESPONSE surfaces (Statistics)
- Publication
Environmental Science & Pollution Research, 2017, Vol 24, Issue 5, p4765
- ISSN
0944-1344
- Publication type
Article
- DOI
10.1007/s11356-016-8212-x