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Table 2 Free radical scavenging and antioxidant capacity of extract and fractions of T cordifolia

From: Assessment of free radical scavenging and anti-proliferative activities of Tinospora cordifolia Miers (Willd)

Extract/Fraction DPPH scavenging IC50 (μg/mL) ABTS scavenging IC50 (μg/mL) Nitric oxide scavenging IC50 (μg/mL) Iron chelation IC50 (μg/mL) Total antioxidant capacityf
TCE 16.87 ± 0.08a 28.24 ± 1.83a 86.09 ± 0.74a 29.70 ± 1.08a 34.46 ± 1.37a
TCP 183.47 ± 2.20b >1000 491.57 ± 1.25b 54.94 ± 2.97b 53.27 ± 2.24b
TCD 95.96 ± 0.62c 132.4 ± 1.14b 306.25 ± 1.29c 22.25 ± 0.46a 34.33 ± 2.27a
TCB 14.18 ± 0.53a 29.48 ± 2.233a 58.20 ± 0.70a 21.17 ± 1.19c 33.57 ± 1.17a
TCA 74.25 ± 2.14d 92.46 ± 2.06c 182.14 ± 1.03d 46.23 ± 0.34d 39.92 ± 0.9a
Ascorbic acid 2.57 ± 0.31e 4.17 ± 0.29d 1.82 ± 0.07e
Curcumin 15.03 ± 0.79e
  1. All the values are expressed as mean ± SEM (n = 3)
  2. a-eColumn wise values with different superscripts of this type indicate significant difference (P < 0.05). f-Total antioxidant capacity expressed as μg ascorbic acid equivalents/mg extract