Table 3:
Comparison of antioxidant effect of
N. officinale
ethanolic extract with BHT.
Sample
Concentration (ppm)
50
100
200
300
400
500
1000
N. officinale
extract (%)
4.18
9.34
16.39
24.37
28.6
32.83
37.99
BHT (%)
77.97
90.41
92.53
92.86
93.24
93.51
93.75