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Table 1 Phenolic content, flavonoid content and antioxidant activities of the extracts of P. betle

From: Piper betle shows antioxidant activities, inhibits MCF-7 cell proliferation and increases activities of catalase and superoxide dismutase

Extracts

Phenolic content

Flavonoid content

Ferric reducing

DPPH radical scavenging

Superoxide anion radical scavenging

Nitric oxide radical scavenging

Hydroxyl radical scavenging

 

(mg GAE/g dried weight)

(mg QE/g dried weight)

(mmol/g dw)

(IC50)

(IC50)

(IC50)

(IC50)

Aqueous

47.72 ± 5.38a

13.39 ± 1.12a

0.347 ± 0.01a

nd

79.3 ± 1.15a

57.7 ± 2.52b,c

313.3 ± 32.15a

Methanol

52.25 ± 5.49a

19.85 ± 0.10b

0.476 ± 0.01a

345.7 ± 4.04a

288.3 ± 2.89b

143.3 ± 20.21a

nd

Ethyl acetate

852.3 ± 4.71b

7.39 ± 1.57c

6.052 ± 0.10b

40 ± 0.00b

48.3 ± 4.73c

52.3 ± 6.66b,c

416.7 ± 15.27a

Hexane

266.92 ± 6.06c

10.47 ± 0.63d

0.904 ± 0.01c

144.3 ± 1.15c

nd

94.3 ± 22.28a,b

nd

Quercetin

-

-

6.174 ± 0.09b

30.0 ± 0.00d

40.0 ± 0.00c

71.7 ± 2.89a,b,c

153.0 ± 110.48b

Rutin

-

-

2.279 ± 0.07d

33.7 ± 1.15d

44.0 ± 5.29c

81.3 ± 1.15a,b,c

nd

  1. Results were expressed as means ± std. dev. (n=3).
  2. IC50 is defined as concentration of plant extracts that inhibited 50% of the radicals.
  3. Values with different superscript letters within the same column are significantly different (p < 0.05).
  4. nd = not detected.