台灣紅樹林底泥壬基酚好氧生物降解之研究

Aerobic Degradation of Nonylphenol from Mangrove Sediment in Taiwan

黃皇文(Huang-Wen Huang) ； 盧俊仲(Jyun-Jhong Lu) ； 袁紹英(Shaw-Ying Yuan) ； 張碧芬(Bea-Ven Chang)

《臺灣農業化學與食品科學》 46卷4&5期 (2008/10) Pp. 157-163

https://doi.org/10.6578/TJACFS.2008.019

摘要

壬基酚屬於內分泌干擾物質，可能存在溼地環境中，影響生態系統。本研究主要探討台灣淡水河紅樹林不同採樣點底泥壬基酚之濃度、生物降解及具分解壬基酚菌株之分離、鑑定與生物降解。結果顯示不同採樣點表層壬基酚濃度為ND~471.3 ng/g，底層濃度為ND-571.9 ng/g。不同採樣點壬基酚降解半衰期在0.9-1.8天。由底泥中分離三株具降解壬基酚菌株，以B8菌株降解效果最佳，菌種鑑定結果為Paenlbacillus Polymyxa。另外發現底泥中添加多環芳香族碳氫化合物及鄰苯二甲酸酯類，皆會使壬基酚降解產生抑制。

關鍵字

內分泌干擾物質 ； 壬基酚 ； 紅樹林底泥 ； 生物降解

並列摘要

Nonylphenol (NP) is endocrine-disrupting compound. This compound was detected in wetlands and may influence ecosystems. In this research, we investigated NP concentration and aerobic degradation in the Tamshui mangrove sediment, isolated NP-degrading bacteria, and inoculated the sediment with NP-degrading bacteria in the mangrove sediment. The results showed that range of NP concentration in surface sediment was ND to 471.3 ng/g, and in deep sediment was ND to 571.9 ng/g half-lives (t(subscript 1/2)) were determined to be 0.9 to 1.8 days. We also isolated three microbial species from the sediment that had NP degradation ability. The B8isolate was identified as Paenibacillus polymyxa. We also found that the addition of polycyclic aromatic hydrocarbons and phthalate esters inhibited NP degradation in the sediment with the B8 strain.

並列關鍵字

Endocrine disrupting compound ； Nonylphenol ； Mangrove sediment ； Biodegradation