Temperature effects on lipid properties of microalgae Tetraselmis subcordiformis and Nannochloropsis oculata as biofuel resources

被引：69
作者：
Wei Likun [1 ]
Huang Xuxiong [1 ,2 ,3 ]
Huang Zhengzheng [1 ]
机构：
[1] Minist Agr, Key Lab Freshwater Fishery Germplasm Resources, Shanghai 201306, Peoples R China
[2] Shanghai Engn Res Ctr Aquaculture, Shanghai 201306, Peoples R China
[3] Shanghai Ocean Univ Aquat Anim Breeding Ctr ZF120, Shanghai Univ Knowledge Serv Platform, Shanghai 201306, Peoples R China
来源：
CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY | 2015年 / 33卷 / 01期
基金：
国家高技术研究发展计划(863计划);
关键词：
fatty acids (FAs); lipid class; Nannochloropsis oculata; temperature; Tetraselmis subcordiformis; total lipid; FATTY-ACID-COMPOSITION; CETANE NUMBER; GROWTH; ACCUMULATION; PROFILES; SHIFTS;
D O I：
10.1007/s00343-015-3346-0
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Microalgae Tetraselmis subcordiformis and Nannochloropsis oculata were cultured at 15, 20, 25, 30, and 35 degrees C and their properties as potential biofuel resources were examined. The results indicate that T. subcordiformis and N. oculata grew best at 20 degrees C and 25 degrees C and yielded the highest total lipids at 20 degrees C and 30 degrees C, respectively. With increased temperature, neutral lipid and polyunsaturated fatty acids (FAs) decreased while saturated FAs increased, accompanied by increased monounsaturated FAs (MUFAs) in T. subcordiformis and decreased MUFAs in N. oculata; meanwhile, the predicted cetane number of FA methyl esters increased from 45.3 to 47.6 in T. subcordiformis and from 52.3 to 60.3 in N. oculata. Therefore, optimizing culture temperatures is important for improving microalgal biodiesel production.
引用
收藏
页码：99 / 106
页数：8
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