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Table 1 The antioxidant profile and TPC value of MEMM, at the concentration of 200 μg/ml, as assessed using various oxidative assays

From: Methanol extract of Melastoma malabathricum leaves exerted antioxidant and liver protective activity in rats

Sample DPPH radical scavenging (%) Superoxide radical scavenging (%) TPC (mg/100 g GAE) ORAC (μM TE/100 g)
Sample concentration (μg/ml) 200 200 200 -
Standard Ascorbic acid (AA) 200 μg/ml Superoxide dismutase (SOD) 6X10 -3 U/ml Gallic acid (GAE) standard curve Trolox standard curve
MEMM 99.1 ± 0.5h 97.3 ± 0.3 h 2610.7 ± 16.5 27, 662.0 ± 377.56
  1. Note: For DPPH Radical Scavenging and Superoxide Scavenging: h high (70-100%). For TPC, the TPC value >1000 mg GAE/100 g is considered High Total Phenolic content. TPC- Expressed as milligram equivalent to Gallic Acid per 100 g of dry weight (mg GAE/100 g). For ORAC value, expressed as μM Trolox Equivalent (TE)/100 g, are mean values from triplicate wells in duplicate experiments, with SEM < 20%.