Research Article

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

Table 4

Accuracy and recovery of solasonine, solamargine, and veratraldehyde.

Conc (μg mL−1)MR (%) ± SDRSD (%)Error (%)

Solasonine
 Low62.5 8 1 . 9 2 ± 0 . 6 3 0.7718.08
 Medium125.0 9 0 . 0 1 ± 3 . 9 7 4.419.99
 High187.5 8 5 . 4 1 ± 4 . 3 9 5.1414.59
Solamargine
 Low62.5 8 0 . 9 2 ± 0 . 9 0 1.1119.08
 Medium125.0 9 1 . 7 1 ± 4 . 5 1 4.928.29
 High187.5 8 8 . 3 1 ± 4 . 2 0 4.7511.69
Veratraldehyde (IS)3.0 8 4 . 1 2 ± 2 . 9 8 3.5415.88

MR: mean recovery.