Evaluation of flavonoids and diverse antioxidant activities of Sonchus arvensis

BMC Chemistry

Table 6 Correlations between the IC ₅₀ values of antioxidant activities, phenolics and flavonoids content of Sonchus arvensis

Assays (IC₅₀μg/ml)	Correlations R²
	Phenolics	Flavonoids
DPPH	0.892 ^b	0.981 ^a
Reducing power	0.823 ^b	0.821^b
Super oxide radical scavenging	0.670 ^c	0.723 ^c
Hydrogen peroxide scavenging assay	0.790^b	0.694 ^c
Hydroxyl radical scavenging activity	0.303	0.206
ABTS⁺ radical scavenging assay	0.452	0.347
Total antioxidant activity	0.976 ^a	0.712 ^c

Various fractions of Sonchus arvensis were used in the correlation. a, b, c indicate significance at P<0.05, P<0.01 and P<0.001 respectively.

ISSN: 2661-801X