Figure 3


Scatter plot diagrams showing the correlation of total phenolic content (mg of GA/g) vis-à-vis (A) DPPH (n = 6; R2 = 0.8604), (B) ABTS (n = 6, R2 = 0.7853), (C) Reducing ability (n = 6, R2 = 0.7149), (D) Phosphomolybdenum (n = 6, R2 = 0.7509), (E) H2O2 scavenging activity (n = 6, R2 = 0.8894), (F) NO scavenging (n = 6, R2 = 0.8335) and (G) total flavonoid content (n = 6; R2 = 0.9263). Pa—Padina tetrastromatica, Gl—Gracilaria tenuistipitata, M—methanol, E—ethanol, W—water.