Research Article

Potential Antioxidant Activity of Novel Antioxidant Peptides from Protein Hydrolysate of Peony Seed Dreg in Chemical and H2O2-Induced RAW264.7 Cells

Table 2

Amino acid composition of the fraction UF-2.

Amino acidUF-2 (g/100 g)

Aspartic acid (D)9.79 ± 0.01
Alanine (A)4.77 ± 0.07
Valine (V)5.72 ± 0.11
Isoleucine (I)3.78 ± 0.07
Tyrosine (Y)4.24 ± 0.11
Histidine (H)3.56 ± 0.04
Arginine (R)6.58 ± 0.10
Glycine (G)5.64 ± 0.08
Serine (S)4.41 ± 0.10
Threonine (T)2.54 ± 0.05
Cysteine (C)3.96 ± 0.14
Methionine (M)1.82 ± 0.09
Leucine (L)7.92 ± 0.12
Phenylalanine (F)5.2 ± 0.18
Lysine (K)1.38 ± 0.05
Proline (P)4.99 ± 0.15
Glutamic acid (E)/glutamine (Q)20.21 ± 0.66

Results are expressed as the mean ± standard deviation (n = 3).