Table 1.

Biomass and macromolecules of Spirulina platensis grown in synthetic wastewater (Sp) and under static magnetic field (MF) for 16 days (Exp_L) and 20 days (Sta)

Parameters	Phase	Sp	MF
Dry weight (g L−1)	ExpL	1.44 ± 0.038	1.92 ± 0.024*
	Sta	1.70 ± 0.045	2.04 ± 0.066*
Biomass productivity (g L−1 day−1)	ExpL	0.076 ± 0.002	0.106 ± 0.001*
	Sta	0.074 ± 0.003	0.091 ± 0.002*
Carbohydrates (%dw)	ExpL	15.52 ± 0.387	23.65 ± 0.401*
	Sta	20.05 ± 0.341	24.98 ± 0.455*
Proteins (%dw)	ExpL	60.50 ± 1.304	62.75 ± 1.421 ns
	Sta	55.78 ± 1.195	59.09 ± 1.244*
Lipids (%dw)	ExpL	6.58 ± 0.302	3.86 ± 0.204*
	Sta	6.11 ± 0.151	3.58 ± 0.279*

Exp_L and Sta represent late exponential phase and stationary phase, respectively

^“*” and ^“ns” refer to significant and insignificant differences, respectively, with the corresponding untreated culture