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Journal of Genetic Engineering and Biotechnology

Table 1 Total phenol (TPC) and flavonoid (TFC) contents, antioxidant capacity (IC50 of DPPH scavenging activity), and hydrogen peroxide production activity for T. indica fractions

From: Antioxidant or pro-oxidant and glutathione transferase P1-1 inhibiting activities for Tamarindus indica seeds and their cytotoxic effect on MCF-7 cancer cell line

Fractions

Extraction yield (g DW)

TPC (mg GAE. gDW−1)

TFC (mg RE. gDW−1)

F/P

IC50 (mg.gDW−1)

μmol H2O2 (g DW−1)

Dichloromethane

5.0

49 ± 1.6

31 ± 4.0

0.64

165 ± 11

 8.7± 0.27

Ethyl acetate

9.84

122 ± 1.6

23 ± 2.0

0.19

45 ± 3.0

29.2 ± 2.9

n-butanol

30.9

378 ± 11.7

83 ± 6.0

0.22

2.1 ± 0.08

77.5 ± 4.6

  1. TPC (total phenolic content) was expressed as milligram of gallic acid equivalent per gram of extract dry weight (mg GAE. gDW−1)
  2. TFC (total flavonoid content) was expressed as milligram of rutin equivalent per gram of extract dry weight (mg RE. gDW−1)
  3. F/P flavonoid/phenol ratio
  4. The values represent the mean ± SD of three independent experiments
  5. *Highly significant value p< 0.001
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