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Table 1 Cell growth and lipid accumulation of C. vulgaris in cultures containing 160 mM NaHCO3 at varied agitation and pH

From: Effects of sodium bicarbonate on cell growth, lipid accumulation, and morphology of Chlorella vulgaris

 

pH 7.5

Δ%

pH 9.5

Δ%

100 rpm

200 rpm

100 rpm

200 rpm

DCWmax (g L−1)

1.01 ± 0.11

0.8 ± 0.072

− 20.8

0.63 ± 0.086

0.52 ± 0.043

− 17.5

μm (day−1)

0.49 ± 0.062

0.42 ± 0.038

− 14.3

0.31 ± 0.0412

0.25 ± 0.0215

− 19.4

Lipid content (mg g−1)

138 ± 18.43

112 ± 14.58

− 18.8

494 ± 20.42

327 ± 14.65

− 33.8

Lipid productivity (mg L−1 day−1)

16.98 ± 2.98

12.8 ± 2.06

− 24.6

44.5 ± 2.91

24.3 ± 1.86

− 45.4