Total phenol content versus the radical
scavenging activity
In this analysis, the correlation between the
radical scavenging activity and phenol
content of the six samples was studied using
a linear regression analysis. As demonstrated
in Figure 3, the correlation coefficient
between total phenolics and FRAP values
(R2
= 0.99, y = 2797.1x + 119.63) was found
to be very strong, more than 0.5. These strong
correlation values between total phenols and
the antioxidative activity suggests that the
major antioxidant compounds in studied
extracts might be phenolics.