Sample

Spiked conc. (ngmL-1)

Recovery (%)

Matrix effect (%)

saikosaponin a

40

83±8

92±9

 

400

87±6

93±7

 

4000

82±3

89±8

felodipine

408

83±5

96±6
Table 1: Recovery of saikosaponin a (meanąstandard deviation (SD) and felodipine (internal standard).
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