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Table 2 Recovery yield and antioxidant activities of the VCs

From: A sustainable process for the recovery of volatile constituents from Gracilaria lemaneiformis in agar production and evaluation of their antioxidant activities

Sample

Yield (%)

IC50 (mg/L)a

DPPH radical scavenging activity

Hydroxyl radical scavenging activity

Superoxide radical scavenging activity

VCs

0.823

21.56 ± 1.02

18.34 ± 1.81

391.12 ± 3.32

Vitamin C

N

4.25 ± 1.0

158.02 ± 2.65

108.28 ± 2.12

  1. All values are mean ± SD; SD standard deviation
  2. N not tested
  3. aIC50: Concentration of extract (mg/L) exhibiting 50% scavenging potential