Full Text:   <3465>

CLC number: Q503

On-line Access: 2024-08-27

Received: 2023-10-17

Revision Accepted: 2024-05-08

Crosschecked: 2012-03-15

Cited: 0

Clicked: 5840

Citations:  Bibtex RefMan EndNote GB/T7714

-   Go to

Article info.
Open peer comments

Journal of Zhejiang University SCIENCE B 2012 Vol.13 No.4 P.248-253

http://doi.org/10.1631/jzus.B1100254


Biotransformation of nitro-polycyclic aromatic compounds by vegetable and fruit cell extracts


Author(s):  Bo Xie, Jun Yang, Qing Yang

Affiliation(s):  School of Life Science and Biotechnology, Dalian University of Technology, Dalian 116024, China; more

Corresponding email(s):   junyang@dlut.edu.cn, qingyang@dlut.edu.cn

Key Words:  Biotransformation, Nitro-polycyclic aromatic compounds, Plant cell extracts, Hydroxylamine, Amine



Abstract: 
Extracts from various vegetables and fruits were investigated for their abilities to reduce nitro-polycyclic aromatic hydrocarbons (NPAHs). The extracts from grape and onion exhibited an interesting selectivity, yielding corresponding amine%29&ck%5B%5D=abstract&ck%5B%5D=keyword'>hydroxylamines or amines as major products under mild conditions of 30 °C and pH 7.0. Grape extracts reduced the 4-nitro-1,8-naphthalic anhydride with the highest conversion rate (>99%) and the highest ratio of amine%29&ck%5B%5D=abstract&ck%5B%5D=keyword'>hydroxylamine to amine (95:5). In contrast, the onion extracts reduced 4-nitro-1,8-naphthalic anhydride with a conversion rate of 94% and a ratio of amine%29&ck%5B%5D=abstract&ck%5B%5D=keyword'>hydroxylamine to amine of 8:92. The thiol-reducing agent, β-mercaptoethanol, and metal cations, Ca2+ and Mg2+, greatly increased the reductive efficiency. This work provides an alternative strategy for biotransformation of nitro-polycyclic compounds.

Open peer comments: Debate/Discuss/Question/Opinion

<1>

Please provide your name, email address and a comment





Journal of Zhejiang University-SCIENCE, 38 Zheda Road, Hangzhou 310027, China
Tel: +86-571-87952783; E-mail: cjzhang@zju.edu.cn
Copyright © 2000 - 2025 Journal of Zhejiang University-SCIENCE