Table 3: Plackett-Burman design variables with different antioxidant potential as response.

Variables (%)Antioxidant activity (% activity)
RunSucroseNaNO3K2HPO4MgSO4KClDPPH AssayReducing powerFe2+   scavenging activityFRAP assayNO scavenging activityTPC (mg/mL)

15.00.0000.180.0000.00060.80.6350.846.752.74.1
25.00.3500.000.0900.00070.50.7360.958.663.85.1
30.00.3500.180.0000.09022.50.2215.513.216.71.2
45.00.0000.180.0900.00050.70.5840.940.845.33.2
55.00.3500.000.0900.09072.80.9663.860.566.86.2
65.00.3500.180.0000.09064.50.6855.752.860.95.8
70.00.3500.180.0900.00018.60.1810.98.912.40.8
80.00.0000.180.0900.09044.80.5036.736.540.72.8
90.00.0000.000.0900.09020.70.1815.512.214.60.9
105.00.0000.000.0000.09061.80.6550.648.655.84.8
110.00.3500.000.0000.00054.30.5944.142.748.63.2
120.00.0000.000.0000.0000.00.000.00.00.00.0
132.50.1750.090.0450.04573.20.9865.762.969.37.9
142.50.1750.090.0450.04572.80.9864.662.868.77.8