Accuracy as recovery
Accuracy was investigated by analyzing three concentrations of standard
drug solution previously analyzed using the standard addition technique.
The recovery studies were carried out to check the sensitivity of the
method to estimate eupalitin 3-O- β-D-galactopyranoside. The standard
addition technique was carried out by adding 50, 100 and 150% of the
bioactive compound’s concentration in the sample extracts. The %
average recoveries of the concentrations were found to be 99.8% for
eupalitin 3-O- β-D-galactopyranoside indicative of high accuracy. The
value of % average recovery is displayed in Table 3. The mean %
recovery values, close to 100%, and their low % RSD values indicated a
high accuracy of the analytical method.