Oxidative Degradation of Alkylphenols by Horseradish Peroxidase(ENVIRONMENTAL BIOTECHNOLOGY)
スポンサーリンク
概要
- 論文の詳細を見る
Alkylphenols such as bisphenol A (2,2-bis(4-hydroxyphenyl)propane; BPA), p-nonylphenol (p-NP), and p-octylphenol (p-OP) that are known as endocrine disrupters were oxidized by horseradish (Armoracia rmticand) peroxidase (HRP) with H_2O_2. The optimal pHs for BPA, p-NP, and p-OP were 8.0, 7.0, and 5.0, respectively. The optimal temperature for BPA was 20℃. Although BPA was rapidly degraded by HRP, its degradation depended on the concentration of HRP. Most of the oxidation products of BPA were polymers, although some 4-isopropenylphenol was produced. When male Japanese medaka (Oryzias latipes) were exposed to BPA, vitellogenin in the blood increased. However, no increased vitellogenin was observed in medaka exposed to HRP-oxidized BPA. The enzymatic oxidation of BPA using HRP was able to eliminate its estrogen-like activity.
- 社団法人日本生物工学会の論文
- 2003-09-25
著者
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Fujimoto Kenshiro
Graduate School Of Agricultural Science Tohoku University
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Endo Y
School Of Bionics Tokyo University Of Technology
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Endo Yasushi
Graduate School Of Agricultural Science Tohoku University
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Yasushi Endo
Laboratory Of Food And Bio-molecular Science Graduate School Of Agricultural Science Tohoku Universi
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Endo Y
Department Of Applied Biological Chemistry Faculty Of Agriculture Tohoku University
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Endo Yasushi
Faculty Of Agriculture Tohoku University
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Fujimoto K
Graduate School Of Agricultural Science Tohoku University
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Kimura F
Laboratory Of Food And Biomolecular Science Graduate School Of Agricultural Science Tohoku Universit
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SAKUYAMA HISAE
Graduate School of Agricultural Science, Tohoku University
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HATANO YASUHIKO
EnBioTec Laboratories, Co.Ltd.
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Sakuyama Hisae
Graduate School Of Agricultural Science Tohoku University
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Hatano Yasuhiko
Enbiotec Laboratories Co.ltd.
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