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Table 2 DPPH free radical scavenging activity of isolates of Mangifera pajang

From: Phytochemicals from Mangifera pajang Kosterm and their biological activities

Samples (Mangifera pajang) Crude extracts/compounds IC50(μg/mL)
Kernel Petroleum ether >300
  Chloroform >300
  Ethyl acetate 7.28 ± 0.30
  Methanol 8.84 ± 1.04
Stem bark Petroleum ether >300
  Chloroform >300
  Ethyl acetate >300
  Methanol >300
Leaves Petroleum ether >300
  Chloroform >300
  Ethyl acetate 104.05 ± 1.02
  Methanol 186.26 ± 0.99
Isolated compounds (1) 6.24 ± 0.3
  (4), (5), (7), (8) >300
Standard Ascorbic acid 6.69 ± 0.02
  1. >300 μg/mL: Inactive, <10 μg/mL: highly active, 50 to 150 μg/mL: moderately active, 150 to 300 μg/mL: weakly active.