Enhancement of microalga Haematococcus pluvialis growth and astaxanthin production by electrical treatment 机翻标题: 暂无翻译,请尝试点击翻译按钮。

来源
Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies
年/卷/期
2018 / 268 /
页码
815-819
ISSN号
0960-8524
作者单位
Korea Univ, Div Environm Sci & Ecol Engn, Seoul 02841, South Korea;Korea Univ, Div Environm Sci & Ecol Engn, Seoul 02841, South Korea;Southern Univ Sci & Technol, Dept Elect & Elect Engn, Shenzhen 518055, Peoples R China;Korea Univ, Div Environm Sci & Ecol Engn, Seoul 02841, South Korea;World Inst Kimchi, Microbiol & Funct Res Grp, Gwangju 61755, South Korea;
作者
Kim, Jee Young;Jeon, Min Seo;Park, Jaewon;Choi, Yoon-E;Lee, Changsu;
摘要
In this study, we investigated the effects of electrical treatment on Haematococcus pluvialis growth. The slow growth of H. pluvialis is a major limitation for its mass production. We discovered that electrical treatment may promote the growth of H. pluvialis. To evaluate optimal growth-promoting conditions, the algal growth rate was investigated at various voltages. The optimum current was identified as 100 mA (voltage: 25 V). In comparison with the non-treated cells, those subjected to electrical treatment showed a 1.2 fold increase in cell density. Further experiments confirmed the direct impact of electrical treatment on the growth of H. pluvialis. The periodic application of electrical voltage resulted in a significant increase in the dry weight and astaxanthin production. The astaxanthin content in the periodic application of electrical treatment was 32.6 mg/L, which was a 10% increase compared to those in the non-treated controls. This strategy may serve as a novel approach to enhance H. pluvialis growth as well as astaxanthin production.
机翻摘要
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关键词/主题词
Haematococcus pluvialis;Astaxanthin;Electrical treatment;Periodical treatment;
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