Response of Taste and Odor Compounds to Elevated Cyanobacteria Biomass and Temperature

被引：16

作者：

Huang, Heyong ^{[1
,3
]}

Xu, Xiaoguang ^{[2
]}

Shi, Chenfei ^{[2
]}

Liu, Xiansheng ^{[2
]}

Wang, Guoxiang ^{[2
]}

机构：

[1] Nanjing Normal Univ, Sch Geog Sci, Nanjing 210097, Jiangsu, Peoples R China

[2] Nanjing Normal Univ, Sch Environm, Nanjing 210097, Jiangsu, Peoples R China

[3] Nanjing Normal Univ, Anal & Testing Ctr, Nanjing 210097, Jiangsu, Peoples R China

来源：

BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY | 2018年 / 101卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Taste and odor compounds; Cyanobacteria biomass; Temperature; ORGANIC SULFUR-COMPOUNDS; LAKE TAIHU; CLIMATE-CHANGE; FRESH-WATER; BLACK BLOOM; CHINA; METHIONINE; TOXINS; PLANT;

D O I：

10.1007/s00128-018-2386-5

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Taste and odor (T&O) compounds are frequently reported during black blooms, however, their production mechanisms and influencing factors are far from clear. In this study, laboratory simulation experiment was carried out to investigate the formation processes of T&O compounds under the influences of temperature, cyanobacteria biomass and their combined effects. The decay of cyanobacteria blooms caused increased T&O compounds loading to water. Results showed the maximum dimethyl sulfide (DMS) release concentration was observed at 35A degrees C compared with that at 25 and 30A degrees C. DMS release concentration under cyanobacteria biomass of 25000 g/m(3) demonstrated the highest production, whereas the minimum DMS production were obtained under 7500 g/m(3). Similar patterns were observed for dimethyl disulfide, dimethyl trisulfide, beta-cyclocitral and beta-ionone production. Therefore, higher temperature and higher cyanobacteria biomass can enhance the concentration of T&O compounds. Furthermore, there were synergistic effects of cyanobacteria biomass and temperature on the production of T&O compounds.

引用

页码：272 / 278

页数：7

共 34 条

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