Comprehensive assessment of phenolics and antiradical potential of Rumex hastatus D. Don. roots

Table 5 Correlation ¹ between EC ₅₀ values of antioxidant activities and total phenolics and flavonoids of R. hastatus root extract and its various soluble fractions

	Correlation R²
Assays	Phenolics	Flavonoids
EC₅₀ of DPPH radical scavenging ability	0.9476c	0.8479b
EC₅₀ of superoxide radical scavenging ability	0.9277b	0.8508b
EC₅₀ of antioxidant capacity	0.92172b	0.8238b
EC₅₀ of hydroxyl radical scavenging ability	0.9605c	0.8478b
EC₅₀ of hydrogen peroxide radical scavenging ability	0.8973b	0.8836b
EC₅₀ of ABTS radical scavenging ability	0.9773c	0.9196b
EC₅₀ of β-carotene bleaching inhibition	0.9296c	0.8389b
EC₅₀ of chelating power	0.9238b	0.8391b

¹ R.hastatus roots methanol extract and its soluble fractions were used in the correlation.
Significantly different depicts that b (p < 0.01), c (p < 0.001).

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