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International Journal of Phytomedicine and Phytotherapy

Table 2 Total flavonoid content,radical scavenging and antioxidant activities in the methanolic extract of Algerian Taxus baccata L

From: Flavonoid profile and antioxidant properties of Algerian common yew (Taxus baccata L.)

Extract and standards

TFC (mg RE/g dry extract)

DPPH IC50 (µg/ml)

ABTS IC50 (µg/ml)

FRAP

EC50 (µg/ml)

TEAC (µmol TE/ g dry extract)

MET

204.26 ± 6.02

35.31 ± 0.29E

8.27 ± 0.52D

25.03 ± 0.13E

377.11 ± 0.29E

BHT

-

78.96 ± 5.70 F

13.56 ± 0.06 E

22.19 ± 0.5 D

425.05 ± 9.67 D

BHA

-

7.42 ± 0.08D

1.26 ± 0.10 B

1.61 ± 0.005C

5677.41 ± 18.54C

Ascorbic acid

-

3.36 ± 0.14 B

1.27 ± 0.07 B

1.59 ± 0.002B

5903.56 ± 19.56B

Trolox

-

4.91 ± 0.16 C

4.03 ± 0.03C

-

-

Quercetin

-

2.52 ± 0.12 A

1.05 ± 0.02 A

0.98 ± 0.002A

9572.09 ± 17.11A

  1. Results are expressed as mean ± SD. Values with no letters in common are significantly different (p < 0.05) for each index.MET: Methanolic extract of Taxus baccata; TFC: Total flavonoid content; IC50: The concentration of sample and standard that can inhibit 50% of DPPH or ABTS radicals; EC50: the concentration of sample and standard that can inhibit 50% of FRAP capacity