Isolation and selection of freshwater microalgae for oil production in south China
2011
In this study,70 strains of microalgae were isolated and purified from the water samples which collected from 51 sites of the whole East River basin,Shaoguan water bodies and South Lake in Jinan University.According to the color of microalgal cultures and cellular microscopic morphology observation,twenty-four strains of microalgae were selected as potential oil-producing candidates.Their growth character and oil-accumulating identity were evaluated by using nitrigen-sufficient BG-11 medium.The results showed that the dry weight(d.w) and the total lipid contents of the twenty-four strains of microalgae were in the range of 3.27~6.11 g/L,and 15.57%~53.30% d.w respectively.The total lipid contents of 13 species were over 30% in dry weight,in which,those of 9 species were more than 40% in d.w.The lipid yields of the twenty-four strains were between 0.57 g/L and 2.36 g/L.
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