Skip to main content
. 2014 Feb 27;52(5):2572–2584. doi: 10.1007/s13197-014-1292-z

Table 4.

Correlation of total phenolic content with DPPH and FRAP

Rice variety TPC vs. DPPH scavenging TPC vs. FRAP assay
Karungkuravai R
R2
P
0.933
0.872
0.02
0.959
0.920
0.04
Mappilai Samba R
R2
P
0.982
0.964
0.017
0.993
0.987
0.006

R Pearson correlation coefficient, R 2 regression coefficients, P probability values, TPC total phenolic content, FRAP ferric reducing antioxidant power, DPPH 1, 1-diphenyl-2-picrylhydrazyl