Journal of Analytical Methods in Chemistry

Research Article

A Validated Reverse Phase HPLC Analytical Method for Quantitation of Glycoalkaloids in Solanum lycocarpum and Its Extracts

Table 3

Repeatability and intermediate precision.
Conc ± SD (μg mL−1)RSD (%)RT ± SDRSD (%)
Repeatability
 Solasonine 1 9 4 . 9 8 ± 6 . 0 1 3.08 1 0 . 3 ± 0 . 2 2 3 2.16
 Solamargine 1 5 . 3 0 ± 1 . 7 7 1.13 1 2 . 3 ± 0 . 2 8 1 2.27
Intermediate precision
 Solasonine 1 8 9 . 3 8 ± 1 0 . 5 4 5.57 1 0 . 2 ± 0 . 2 5 5 2.48
 Solamargine 1 5 7 . 0 4 ± 6 . 7 4 4.29 1 2 . 2 ± 0 . 3 1 3 2.55
Conc: concentration; SD: standard deviation; RSD: relative standard deviation; RT: retention time.