Antioxidant and Anti-Cancer Potentials of Rheum emodi Rhizome Extracts

Figure 7

Relationship between total phenolic content of methanolic and aqueous extracts of R. emodi rhizome and their (a) %DRSA, (b) %HRSA, (c) %LPI, (d) percentage Fe³⁺ reducing potential. All parameters show strong and significant positive correlation with total phenolic content (at P < .05) for both extracts.

(a)

(b)

(c)

(d)