3.5. Compari son betw een the two met hods of radical
scaveng ing acti vity
The magnitude of values for the successive extracts,
fractions and residues showed a similar trend both in
the free radical and hydroxyl radical scavenging activities. (see Fig. 2 and Table 2). A direct correlation between the two methods of radical scavenging activity
was demonstrated by linear regression analysis. The
two methods showed a high correlation coefficient
(0.9662)