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A systematic study on spatial and seasonal patterns of eight taste and odor compounds with relation to various biotic and abiotic parameters in Gonghu Bay of Lake Taihu, China
Chen, Jun (1); Xie, Ping (1); Ma, Zhimei (1); Niu, Yuan (1); Tao, Min (1); Deng, Xuwei (1); Wang, Qing (1); Xie, P.(xieping@ihb.ac.cn)
2010
Source PublicationScience of the Total Environment
ISSN0048-9697
Volume409Pages:314-325
AbstractA systematic study was conducted on seasonal and spatial patterns of taste and odor (T&O) compounds with relation to biotic and abiotic parameters at fifteen sites in Gonghu Bay of Lake Taihu in 2008. We developed a sensitive and automated method to simultaneously analyze eight T&O compounds (boiling points ranging from 38°C to 239°C) by using Purge-and-Trap (P&T) coupled with GC/MS. Maximum particulate dimethyl trisulfide (DMTS, 69.6ng/L) exceeded its odor threshold concentrations (OTC, 10ng/L) and maximum dissolved DMTS was 6.1ng/L, but still far below concentration in the drinking water pollution incident of Wuxi City in 2007 when DMTS reached 1768-11,399ng/L. Geosmin (GEO), 2-methylisoborneol (MIB), β-cyclocitral, β-ionone and 2-isobutyl-3-methoxypyrazine (IBMP) occasionally or frequently exceeded their OTCs, whereas 2-isopropyl-3-methoxypyrazine (IPMP) and dimethyl sulfide (DMS) did not. We found for the first time significant correlations between particulate β-cyclocitral and β-ionon concentrations and intracellular and extracellular microcystin concentrations. Spatially, Nanquan Waterworks faced more risk by T&O contamination than Xidong Waterworks. High concentrations of NO3-N, TDN and TN could be risky signs of taste and odor events by DMS, DMTS, IPMP, IBMP and GEO. © 2010 Elsevier B.V.
KeywordTaste And Odor Compounds Purge-and-trap Gc–ms Cyanobacterial Blooms Lake Taihu
Department(1) Donghu Experimental Station of Lake Ecosystems, State Key Laboratory of Freshwater Ecology and Biotechnology of China, Institute of Hydrobiology, Chinese Academy of Sciences, Donghu South Road 7, Wuhan 430072, China
Indexed ByEI
Language英语
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/14456
Collection淡水生态学研究中心_期刊论文
Corresponding AuthorXie, P.(xieping@ihb.ac.cn)
Recommended Citation
GB/T 7714
Chen, Jun ,Xie, Ping ,Ma, Zhimei ,et al. A systematic study on spatial and seasonal patterns of eight taste and odor compounds with relation to various biotic and abiotic parameters in Gonghu Bay of Lake Taihu, China[J]. Science of the Total Environment,2010,409:314-325.
APA Chen, Jun .,Xie, Ping .,Ma, Zhimei .,Niu, Yuan .,Tao, Min .,...&Xie, P..(2010).A systematic study on spatial and seasonal patterns of eight taste and odor compounds with relation to various biotic and abiotic parameters in Gonghu Bay of Lake Taihu, China.Science of the Total Environment,409,314-325.
MLA Chen, Jun ,et al."A systematic study on spatial and seasonal patterns of eight taste and odor compounds with relation to various biotic and abiotic parameters in Gonghu Bay of Lake Taihu, China".Science of the Total Environment 409(2010):314-325.
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