DPPH radical scavenging activity (%) at 1 mg/ml and EC50 (mg/ml) of the lipid classes obtained from Solieria chordalis according to the extraction method and DPPH radical scavenging activity (%) at 10 μg/ml and EC50 (μg/ml) obtained from BHA.
|Extraction method||Lipid class||Control|
|% Scavenging||EC50||% Scavenging||EC50||% Scavenging||EC50||% Scavenging||EC50|
|CHCl3/MeOH||86.6 ± 5.7a-α||< 0.5||49.3 ± 1.6a-β||0.9 ± 0.1||30.9 ± 1.9a-γ||4.9 ± 0.5||82.9 ± 2.9||5.5 ± 0.3|
|sc-CO2||16.9 ± 2.2b-α||> 5||24.7 ± 1.1b-β||4.8 ± 0.1||27.0 ± 0.5a-β||2.1 ± 0.1|
|sc-CO2 + EtOH 2%||16.0 ± 0.6b-α||> 5||11.4 ± 1.4c-α||> 5||11.1 ± 0.7b-α||> 5|
|sc-CO2 + EtOH 8%||15.3 ± 0.3b-α||> 5||15.8 ± 3.3c-α||> 5||46.2 ± 1.0c-β||1.1 ± 0.1|
Values are the mean of three replicates (mean (% dw) ± s.d.). s.d., standard deviation. sc-CO2, supercritical carbon dioxide, BHA, butylated hydroxyanisole, EC50 refers to the quantity of extract required to reduce DPPH radical by 50%. a-c, letters in the same column represent significant differences according to Tukey’s pairwise a posteriori test, considering p < 0.05. α-γ, letters in the same row represent significant differences according to Tukey’s pairwise a posteriori test, considering p < 0.05.
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