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Outdoor cultivation of Dunaliella salina KU 11 using brine and saline lake water with raceway ponds in northeastern Thailand

文献类型： 外文期刊

作者： Wu, Zhe 1 ; Dejtisakdi, Wipawee 3 ; Kermanee, Prasart 4 ; Ma, Chunhong 2 ; Arirob, Wallop 4 ; Sathasivam, Ramaraj 1 ;

作者机构： 1.Kasetsart Univ, Interdisciplinary Grad Program Biosci, Fac Sci, Bangkok, Thailand

2.Hebei Acad Agr & Forestry Sci, Plan Genet Engn Ctr Hebei Prov, Inst Genet & Physiol, Shijiazhuang, Hebei, Peoples R China

3.King Mongkuts Inst Technol Ladkrabang, Dept Biol, Fac Sci, Bangkok, Thailand

4.Kasetsart Univ, Fac Sci, Dept Bot, 50 Ngam Wong Wan Rd, Bangkok 10900, Thailand

5.NRU KU, CASTNAR, Bangkok, Thailand

关键词： algae;beta-carotene;biomass;bioprocessing;bioreactor;environmental biotechnology

期刊名称：BIOTECHNOLOGY AND APPLIED BIOCHEMISTRY （ 影响因子：2.431； 五年影响因子：2.124 ）

ISSN： 0885-4513

年卷期： 2017 年 64 卷 6 期

页码：

收录情况： SCI

摘要： To evaluate the potential of algal biotechnology to replace traditional agriculture in northeastern Thailand, an open raceway cultivation system was developed to produce biomass and beta-carotene. Dunaliella salina KU 11 isolated from local saline soil was cultured in open raceway tanks using brine and saline lake water. Grown in modified Johnson's medium (with 2-3.5M NaCl), the algae reached a maximum cell density on the fourth day (1.8 x 10(6) cells mL(-1)). Increasing KNO3 and NaHCO3 from 0.5 and 0.043 g L-1 to 1 and 2.1 g L-1, respectively, significantly improved the yields of biomass (0.33 g L-1) and beta-carotene (19 mg L-1). Expected profits for algal production were evaluated, and it was found that this strain was suitable for outdoor cultivation and the developing algal industry in northeastern Thailand could produce high economic benefits (at least $64,120 per year per 0.16ha). (C) 2016 International Union of Biochemistry and Molecular Biology, Inc.

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