title: Absorption and metabolism of formaldehyde in solutions by detached banana leaves.
abstract: Detached banana leaves are one of the by-products of banana production. In this study, the absorption and metabolism of formaldehyde (HCHO) in solutions by detached banana leaves was investigated under submergence conditions. The results showed that banana leaves could effectively absorb HCHO in the treatment solutions, and the relationship between HCHO absorption and treatment time appeared to fit a radical root function model. (13)C nuclear magnetic resonance analysis was used to investigate the ability of detached banana leaves to metabolise H(13)CHO, and the results indicated that the H(13)CHO absorbed from the treatment solutions was converted into non-toxic compounds. High amounts of [U-(13)C]glucose, [U-(13)C]fructose, [3-(13)C]serine and [3-(13)C]citrate were produced as a result of H(13)CHO metabolism in banana leaves, and the production of a small amount of [2,4-(13)C]citrate and [2,3-(13)C]alanine was also observed. These results suggest that detached banana leaves can metabolise H(13)CHO and convert it to non-toxic compounds. The metabolic pathways that produce these intermediates in detached banana leaves are postulated based on our (13)C nuclear magnetic resonance data.
authors: Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Chenggong, Kunming 650500, China; Faculty of Life Science and Biotechnology, Kunming University of Science and Technology, Chenggong, Kunming 650500, China.
authors: Zhidong
authors: Z
authors: Zeng
authors: Faculty of Life Science and Biotechnology, Kunming University of Science and Technology, Chenggong, Kunming 650500, China.
authors: Chuanjiao
authors: C
authors: Qi
authors: Faculty of Life Science and Biotechnology, Kunming University of Science and Technology, Chenggong, Kunming 650500, China.
authors: Qi
authors: Q
authors: Chen
authors: Faculty of Life Science and Biotechnology, Kunming University of Science and Technology, Chenggong, Kunming 650500, China.
authors: Kunzhi
authors: K
authors: Li
authors: Faculty of Life Science and Biotechnology, Kunming University of Science and Technology, Chenggong, Kunming 650500, China. Electronic address: chenlimeikm@126.com.
authors: Limei
authors: L
authors: Chen
mesh_terms: D000042:Absorption; D000445:Aldehyde Oxidoreductases / Q000378:metabolism; D005557:Formaldehyde / Q000378:metabolism* / Q000494:pharmacology; D005560:Formate Dehydrogenases / Q000378:metabolism; D009682:Magnetic Resonance Spectroscopy; D053858:Metabolic Networks and Pathways / Q000187:drug effects; D028521:Musa / Q000378:metabolism*; D018515:Plant Leaves / Q000187:drug effects / Q000378:metabolism*; D012996:Solutions; D013997:Time Factors
chemical_list: D012996:Solutions; D005557:Formaldehyde; C020145:formaldehyde dehydrogenase (glutathione); D005560:Formate Dehydrogenases; D000445:Aldehyde Oxidoreductases
keywords: (13)C nuclear magnetic resonance analysis; Aqueous formaldehyde; Detached banana leaves; Formaldehyde absorption; Formaldehyde metabolism