Optimizing light regimes on growth and lipid accumulation in Ankistrodesmus fusiformis H1 for biodiesel production

被引：22
作者：
He, Qiaoning [1 ,2 ]
Yang, Haijian [1 ,2 ]
Hu, Chunxiang [1 ]
机构：
[1] Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2015年 / 198卷
关键词：
Ankistrodesmus fusiformis; Biodiesel production; Inoculum density; Photoperiod; Light intensity; BIOFUEL PRODUCTION; GREEN-ALGA; NITROGEN DEPRIVATION; MICROALGAE; INTENSITY; CARBON; PHOTOPERIOD; BIOMASS; STRESS;
D O I：
10.1016/j.biortech.2015.09.085
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
The aim of this study was to optimize the light regimes including initial inoculum density, photoperiod and light intensity on the growth and lipid (TAG) accumulation in Ankistrodesmus fusiformis H1 for biodiesel production. At last, the strategy of 4.47 mM urea with initial OD680-0.5, 18: 6 h light/dark cycle and 200 lmol photon m(-2) s(-1) regimes were optimized. The lipid productivity of 116.88 mg L-1 d(-1) and 57.58% neutral lipid in total lipid were achieved finally. Moreover, the changes of photosynthetic activity, pigments contents and biochemical compositions revealed that more carbon flow to lipid synthesis. Therefore, A. fusiformis H1 is an ideal candidate for biodiesel production by utilizing light appropriately. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：876 / 883
页数：8
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