Table 2. Recovery and relative standard deviation of GPH in skate skin collagen peptide

Concentration (μg/mL)	Recovery1) (%)	RSD2) (%)
10	103.76±1.65	1.59
15	100.35±1.52	1.52
25	103.97±0.14	0.14

Each value was expressed as mean±SD of triplicate measurements (n=3).
Relative standard deviation.