Biohydrogen production by microalgae isolated from the rice paddle field in Thailand

Q3 Agricultural and Biological Sciences Asia-Pacific Journal of Science and Technology Pub Date : 2016-07-15 DOI:10.14456/KKURJ.2016.33
S. Phunpruch, Amornrat Puangplub, A. Incharoensakdi
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Abstract

Hydrogen produced by cyanobacteria and green algae is a very interesting energy carrier because it is produced by a photosynthetic pathway using sunlight as an energy  source. In this study, 59 cyanobacterial and green algal strains were isolated from soil and water sources of rice paddle field in Thailand. Out of them, 9 cyanobacterial isolates and 9 green algal isolates were purified. Among them, unicellular cyanobacterial isolate AngS1 showed the highest H 2 production rate. Its highest H 2 production rate of 389.630±72.084 nmolH 2 mg chl -1 h -1 was found in cells grown in BG11 for 1 week followed by incubating  cells in BG11 0 for 24 hours and adaptation under dark anaerobic condition for 2 hours. The optimal concentrations of glucose, MgSO 4 .7H 2 O and Fe 3+ for H 2 production rate were 0.189 mmolC L -1 , 3 mM, and 20 μM, respectively. The highest H 2 accumulation of 4,174.364±278.324 nmolH  2 mg chl -1 was obtained when incubating cells in the optimal  medium for 11 days.
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从泰国稻田分离的微藻生产生物氢
蓝藻和绿藻产生的氢是一种非常有趣的能量载体,因为它是通过利用阳光作为能量来源的光合作用途径产生的。本研究从泰国稻田土壤和水源中分离到了59株蓝藻和绿藻。分离得到9株蓝藻和9株绿藻。其中,单细胞蓝藻分离物AngS1的h2产率最高。在BG11中培养1周后,在BG11中培养24小时,在暗厌氧条件下适应2小时,其产氢率最高,为389.630±72.084 nmolH 2 mg chl -1 H -1。葡萄糖、mgso4.7 h2o和fe3 +的最佳浓度分别为0.189 mmol L -1、3 mM和20 μM。在最佳培养基中培养11 d时,H 2积累量最高,为4,174.364±278.324 nmolH 2 mg chl -1。
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来源期刊
Asia-Pacific Journal of Science and Technology
Asia-Pacific Journal of Science and Technology Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)
CiteScore
0.90
自引率
0.00%
发文量
0
审稿时长
8 weeks
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