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Degradation of the potential rodent contraceptive quinestrol and elimination of its estrogenic activity in soil and water
Zhang, Quan1,2; Wang, Cui1,2; Liu, Wanpeng1; Qu, Jiapeng3; Liu, Ming4; Zhang, Yanming3; Zhao, Meirong2
2014
Source PublicationENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
ISSN0944-1344
Volume21Issue:1Pages:652-659
SubtypeArticle
AbstractQuinestrol has shown potential for use in the fertility control of the plateau pika population of the Qinghai-Tibet Plateau. However, the environmental safety and fate of this compound are still obscure. Our study investigated degradation of quinestrol in a local soil and aquatic system for the first time. The results indicate that the degradation of quinestrol follows first-order kinetics in both soil and water, with a dissipation half-life of approximately 16.0 days in local soil. Microbial activity heavily influenced the degradation of quinestrol, with 41.2 % removal in non-sterile soil comparing to 4.8 % removal in sterile soil after incubation of 10 days. The half-lives in neutral water (pH 7.4) were 0.75 h when exposed to UV light (lambda = 365 nm) whereas they became 2.63 h when exposed to visible light (lambda > 400 nm). Acidic conditions facilitated quinestrol degradation in water with shorter half-lives of 1.04 and 1.47 h in pH 4.0 and pH 5.0 solutions, respectively. Moreover, both the soil and water treatment systems efficiently eliminated the estrogenic activity of quinestrol. Results presented herein clarify the complete degradation of quinestrol in a relatively short time. The ecological and environmental safety of this compound needs further investigation.; Quinestrol has shown potential for use in the fertility control of the plateau pika population of the Qinghai-Tibet Plateau. However, the environmental safety and fate of this compound are still obscure. Our study investigated degradation of quinestrol in a local soil and aquatic system for the first time. The results indicate that the degradation of quinestrol follows first-order kinetics in both soil and water, with a dissipation half-life of approximately 16.0 days in local soil. Microbial activity heavily influenced the degradation of quinestrol, with 41.2 % removal in non-sterile soil comparing to 4.8 % removal in sterile soil after incubation of 10 days. The half-lives in neutral water (pH 7.4) were 0.75 h when exposed to UV light (lambda = 365 nm) whereas they became 2.63 h when exposed to visible light (lambda > 400 nm). Acidic conditions facilitated quinestrol degradation in water with shorter half-lives of 1.04 and 1.47 h in pH 4.0 and pH 5.0 solutions, respectively. Moreover, both the soil and water treatment systems efficiently eliminated the estrogenic activity of quinestrol. Results presented herein clarify the complete degradation of quinestrol in a relatively short time. The ecological and environmental safety of this compound needs further investigation.
KeywordQuinestrol Biodegradation Photo-degradation Estrogen Effect
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
WOS KeywordPIKAS OCHOTONA-CURZONIAE ; TIBETAN PLATEAU ; TESTOSTERONE ; BIODIVERSITY ; PHOTODEGRADATION ; DISSIPATION ; PERSISTENCE ; MANAGEMENT ; BIOSOLIDS ; DYNAMICS
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000329095300059
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://210.75.249.4/handle/363003/4290
Collection中国科学院西北高原生物研究所
Affiliation1.Zhejiang Univ, Coll Environm & Resource Sci, Hangzhou 310058, Zhejiang, Peoples R China
2.Zhejiang Univ Technol, Coll Biol & Environm Engn, Hangzhou 310032, Zhejiang, Peoples R China
3.Chinese Acad Sci, Northwest Plateau Inst Biol, Key Lab Adaptat & Evolut Plateau Biota, Xining 810001, Qinghai, Peoples R China
4.Chinese Acad Sci, Inst Zool, State Key Lab Integrated Management Pest Insects, Beijing 100101, Peoples R China
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GB/T 7714
Zhang, Quan,Wang, Cui,Liu, Wanpeng,et al. Degradation of the potential rodent contraceptive quinestrol and elimination of its estrogenic activity in soil and water[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2014,21(1):652-659.
APA Zhang, Quan.,Wang, Cui.,Liu, Wanpeng.,Qu, Jiapeng.,Liu, Ming.,...&Zhao, Meirong.(2014).Degradation of the potential rodent contraceptive quinestrol and elimination of its estrogenic activity in soil and water.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,21(1),652-659.
MLA Zhang, Quan,et al."Degradation of the potential rodent contraceptive quinestrol and elimination of its estrogenic activity in soil and water".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 21.1(2014):652-659.
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