Nitrogen Concentrations Total Reducing Non-reducing
(ppm) carbohydrate % sugar   % sugar %
45 31.05* ±0.02 2.28* ±0.015 28.77* ±0.006
128 28.09* ±0.02 0.825* ±0.002 27.27* ±0.015
293 23.62* ±0.02 0.908 ±0.002 22.71* ±0.02
412(control) 25.26  ±0.02 0.905 ±0.002 24.36  ±0.015
622 26.68* ±0.025 1.42* ±0.02 25.26* ±0.045
Data are means of triplicate ± SD. *The mean difference is significant at P≤ 0.05
Table 1: Effect of Nitrogen concentrations on total carbohydrates, reducing and non-reducing sugars contents of Spirulina platensis cells.
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