离体香蕉叶对溶液中甲醛的吸收和代谢。
Absorption and metabolism of formaldehyde in solutions by detached banana leaves.
机构信息
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.
Faculty of Life Science and Biotechnology, Kunming University of Science and Technology, Chenggong, Kunming 650500, China.
出版信息
J Biosci Bioeng. 2014 May;117(5):602-12. doi: 10.1016/j.jbiosc.2013.10.017. Epub 2013 Dec 9.
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.
脱落的香蕉叶是香蕉生产的副产品之一。本研究在浸没条件下，考察了脱落香蕉叶对溶液中甲醛（HCHO）的吸收和代谢。结果表明，香蕉叶可以有效地吸收处理溶液中的 HCHO，HCHO 吸收与处理时间之间的关系似乎符合自由基根函数模型。（13）C 核磁共振分析用于研究脱落香蕉叶代谢 H（13）CHO 的能力，结果表明，从处理溶液中吸收的 H（13）CHO 被转化为无毒化合物。脱落的香蕉叶代谢 H（13）CHO 会产生大量的[U-（13）C]葡萄糖、[U-（13）C]果糖、[3-（13）C]丝氨酸和[3-（13）C]柠檬酸，还观察到少量[2,4-（13）C]柠檬酸和[2,3-（13）C]丙氨酸的生成。这些结果表明，脱落的香蕉叶可以代谢 H（13）CHO 并将其转化为无毒化合物。根据我们的（13）C 核磁共振数据，推测了脱落香蕉叶中产生这些中间产物的代谢途径。
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