. 2016 Jul 18;23(6):706–712. doi: 10.1016/j.sjbs.2016.06.010

Table 2.

Effect of UV-B and nitrogen starvation for 3 days on phenolics, flavonoids, H₂O₂ and malondialdehyde MDA of Spirulina platensis and Dunaliella salina. Values are means ± SE (n = 5).

Treatment	Phenolics (mg g⁻¹ (d.m))		Flavonoids (mg g⁻¹ (d.m))		H₂O₂ (μM g⁻¹ (d.m))		MDA (μM g⁻¹ (d.m))
Treatment
Spirulina platensis	Dunaliella salina	Spirulina platensis	Dunaliella salina	Spirulina platensis	Dunaliella salina	Spirulina platensis	Dunaliella salina

Optimum nutrient + zero UV-B	2.93 ± 0.55^a	3.22 ± 0.35^a	0.70 ± 0.577^a	0.93 ± 0.490^a	0.46 ± 0.058^a	0.43 ± 0.06^a	41.5 ± 0.92^a	34.8 ± 0.70^a
Optimum nutrient + UV-B dose (kJ m⁻² d⁻¹)	4.31 ± 0.57^b	4.71 ± 0.46^b	1.48 ± 0.200^b	1.72 ± 0.210^b	0.76 ± 0.058^b	0.64 ± 0.058^b	97.0 ± 0.57^b	78.6 ± 0.58^b
Nitrogen starvation + Zero UV-B	3.88 ± 0.04^b	3.95 ± 0.10^c	1.23 ± 0.120^b	1.53 ± 0.120^c	0.83 ± 0.06^a	0.68 ± 0.07^a	132.3 ± 0.59^c	107.3 ± 0.61^b
Nitrogen starvation + UV-B dose (kJ m⁻² d⁻¹)	5.33 ± 0.57^d	5.87 ± 0.57^d	1.95 ± 0.220^d	2.29 ± 0.23^d	0.65 ± 0.06^b	0.54 ± 0.06^b	78.6 ± 2.73^d	55.4 ± 0.08^d