TY - JOUR
T1 - Simultaneous enhancement of CO2 fixation and lutein production with thermo-tolerant Desmodesmus sp. F51 using a repeated fed-batch cultivation strategy
AU - Xie, You Ping
AU - Ho, Shih Hsin
AU - Chen, Chun Yen
AU - Chen, Ching Nen Nathan
AU - Liu, Chen Chun
AU - Ng, I. Son
AU - Jing, Ke Ju
AU - Yang, Sheng Chung
AU - Chen, Chi Hui
AU - Chang, Jo Shu
AU - Lu, Ying Hua
N1 - Funding Information:
The authors gratefully acknowledge the financial support this project has received from Taiwan's National Science Council (under grant number NSC 101-2221-E-006-094-MY3 , 102-3113-P-006-016 and 101-3113-P-110-003 ). This research also received funding from the Headquarters of University Advancement at the National Cheng Kung University, which is sponsored by the Ministry of Education of the People's Republic of China . This work was also supported by the National Natural Science Foundation of China (No. 31071488 ), the National Marine Commonwealth Research Program, China (no. 201205020-2 ), and the Fundamental Research Funds for the Central Universities, China (No. 201212G004 ).
PY - 2014/5/15
Y1 - 2014/5/15
N2 - This study aimed to improve lutein production using a thermo-tolerant lutein-rich microalga Desmodesmus sp. F51. To achieve this goal, four fed-batch cultivation strategies were investigated for CO2 fixation and lutein production of Desmodesmus sp. F51. Among them, Fed-batch IV showed the best performance, giving the highest CO2 fixation rate and lutein productivity of 1582.4mg/L/d and 3.91mg/L/d, respectively. Both increasing the light intensity and limiting the nutrients led to a lower carotenoids content in the microalga, with a higher proportion of lutein and lower proportion of β-carotene being obtained in the carotenoids. The carotenoid present in the biomass was mainly lutein, accounting for 50-66% of total carotenoids. Repeated operations of the Fed-batch IV strategy could effectively improve CO2 fixation and lutein production of Desmodesmus sp. F51, giving the best results of 1826.0mg/L/d, and 4.61mg/L/d, respectively. This performance is better than most of the previously reported values.
AB - This study aimed to improve lutein production using a thermo-tolerant lutein-rich microalga Desmodesmus sp. F51. To achieve this goal, four fed-batch cultivation strategies were investigated for CO2 fixation and lutein production of Desmodesmus sp. F51. Among them, Fed-batch IV showed the best performance, giving the highest CO2 fixation rate and lutein productivity of 1582.4mg/L/d and 3.91mg/L/d, respectively. Both increasing the light intensity and limiting the nutrients led to a lower carotenoids content in the microalga, with a higher proportion of lutein and lower proportion of β-carotene being obtained in the carotenoids. The carotenoid present in the biomass was mainly lutein, accounting for 50-66% of total carotenoids. Repeated operations of the Fed-batch IV strategy could effectively improve CO2 fixation and lutein production of Desmodesmus sp. F51, giving the best results of 1826.0mg/L/d, and 4.61mg/L/d, respectively. This performance is better than most of the previously reported values.
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U2 - 10.1016/j.bej.2014.02.015
DO - 10.1016/j.bej.2014.02.015
M3 - Article
AN - SCOPUS:84896126853
SN - 1369-703X
VL - 86
SP - 33
EP - 40
JO - Biochemical Engineering Journal
JF - Biochemical Engineering Journal
ER -