Research Article

Bioactive Peptides from Angelica sinensis Protein Hydrolyzate Delay Senescence in Caenorhabditis elegans through Antioxidant Activities

Table 2

The effect of A. sinensis peptides on the antioxidant enzyme activities and malondialdehyde content in C. elegans under oxidative stress. The nematodes were incubated with or without the peptides for 24 h prior to treatment with 2 mM paraquat.

TreatmentAntioxidant enzyme activityMDA content
SODCAT

Control31.44 ± 0.911.03 ± 0.0142.54 ± 0.78
AsiPeps
 2.0 mg/mL 40.87 ± 0.75 1.21 ± 0.02 30.45 ± 1.49
 4.0 mg/mL 64.90 ± 1.24 1.33 ± 0.01 34.87 ± 1.34

SOD, U/mg protein; CAT, U/μg protein; MDA, nmol/mg protein; .