Optimization of Antioxidant Potential of Penicillium granulatum Bainier by Statistical Approaches

Table 3

Plackett-Burman design variables with different antioxidant potential as response.

	Variables (%)					Antioxidant activity (% activity)
Run	Sucrose	NaNO3	K2HPO4	MgSO4	KCl	DPPH Assay	Reducing power	Fe^2+  scavenging activity	FRAP assay	NO scavenging activity	TPC (mg/mL)
1	5.0	0.000	0.18	0.000	0.000	60.8	0.63	50.8	46.7	52.7	4.1
2	5.0	0.350	0.00	0.090	0.000	70.5	0.73	60.9	58.6	63.8	5.1
3	0.0	0.350	0.18	0.000	0.090	22.5	0.22	15.5	13.2	16.7	1.2
4	5.0	0.000	0.18	0.090	0.000	50.7	0.58	40.9	40.8	45.3	3.2
5	5.0	0.350	0.00	0.090	0.090	72.8	0.96	63.8	60.5	66.8	6.2
6	5.0	0.350	0.18	0.000	0.090	64.5	0.68	55.7	52.8	60.9	5.8
7	0.0	0.350	0.18	0.090	0.000	18.6	0.18	10.9	8.9	12.4	0.8
8	0.0	0.000	0.18	0.090	0.090	44.8	0.50	36.7	36.5	40.7	2.8
9	0.0	0.000	0.00	0.090	0.090	20.7	0.18	15.5	12.2	14.6	0.9
10	5.0	0.000	0.00	0.000	0.090	61.8	0.65	50.6	48.6	55.8	4.8
11	0.0	0.350	0.00	0.000	0.000	54.3	0.59	44.1	42.7	48.6	3.2
12	0.0	0.000	0.00	0.000	0.000	0.0	0.00	0.0	0.0	0.0	0.0
13	2.5	0.175	0.09	0.045	0.045	73.2	0.98	65.7	62.9	69.3	7.9
14	2.5	0.175	0.09	0.045	0.045	72.8	0.98	64.6	62.8	68.7	7.8