期刊
BIORESOURCE TECHNOLOGY
卷 216, 期 -, 页码 340-344出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2016.05.095
关键词
Haematococcus pluvialis mutant; 15% CO2 domestication; Astaxanthin; Biomass growth
资金
- National Natural Science Foundation-China [51176163, 51476141]
- Zhejiang Provincial Natural Science Foundation-China [LR14E060002]
In order to increase biomass yield and reduce culture cost of Haematococcus pluvialis with flue gas from coal-fired power plants, a screened mutant by nuclear irradiation was gradually domesticated with 15% CO2 to promote biomass dry weight and astaxanthin yield. The biomass yield of mutant after 10 generations of 15% CO2 domestication increased to 1.3 times as that with air. With the optimization of nitrogen and phosphorus concentration, the biomass dry weight was further increased by 62%. The astaxanthin yield induced with 15% CO2 and high light of 135 mu mol photons m (2) s (1) increased to 87.4 mg/L, which was 6 times higher than that induced with high light in air. (C) 2016 Elsevier Ltd. All rights reserved.
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