Characterization of additional zinc ions on the growth, biochemical composition and photosynthetic performance from Spirulina platensis

被引：69
|
作者：
Zhou, Ting [1 ]
Wang, Jingjing [1 ]
Zheng, Hongli [1 ]
Wu, Xiaodan [1 ]
Wang, Yunpu [1 ]
Liu, Mingzhi [1 ]
Xiang, Shuyu [1 ]
Cao, Leipeng [1 ]
Ruan, Roger [1 ,2 ,3 ]
Liu, Yuhuan [1 ]
机构：
[1] Nanchang Univ, Minist Educ, Engn Res Ctr Biomass Convers, State Key Lab Food Sci & Technol, Nanchang 330047, Jiangxi, Peoples R China
[2] Univ Minnesota, Ctr Biorefining, St Paul, MN 55108 USA
[3] Univ Minnesota, Dept Bioprod & Biosyst Engn, St Paul, MN 55108 USA
来源：
BIORESOURCE TECHNOLOGY | 2018年 / 269卷
基金：
中国国家自然科学基金;
关键词：
Spirulina platensis; Zinc ions; Chlorophyll fluorescence activity; Photosynthetic pigments; Fatty acids; INDUCED OXIDATIVE STRESS; LONG-TERM EXPOSURE; LIPID-PEROXIDATION; CHLORELLA-VULGARIS; SCENEDESMUS SP; CHLOROPHYLL-A; WASTE-WATER; COPPER; MICROALGAE; TOXICITY;
D O I：
10.1016/j.biortech.2018.08.131
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
In this study, the effect of various initial Zn2+ concentration additionally on microalgae growth and biochemical composition were investigated. The Spirulina platensis biomass of each concentration reached the maximum at the end of the cultivation. However, high levels could severely inhibit the growth of microalgae. Fluorescence activity occurred changes in response to heavy metal stress. Moreover, biochemical composition in Spirulina platensis altered under zinc stress, and the highest contents of phycocyanin (PC), Chlorophyll-alpha (Chl-alpha), Carotenoid and zinc accumulation were obtained. The proportion of saturated and polyunsaturated fatty acids increased constantly in response to Zn2+ exposure. Overall, this study indicated that the use of Spirulina platensis is a viable method for treating zinc containing wastewater and harvested microalgae can be processed into highzinc products.
引用
收藏
页码：285 / 291
页数：7
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