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Table 1 Recovery of picroside-I and picroside-II

From: Phytochemical studies for quantitative estimation of iridoid glycosides in Picrorhiza kurroa Royle

Standard Spiked (mg) Found (mg) Recovery  % Recovery % (R.S.D)
Picroside-I 0.0038 0.0080 103.6 101.3 (2.54)
0.0046 0.0086 104.3
0.1771 0.3944 96.1
Picroside-II 0.0680 0.1333 100.2 98.63 (1.45)
0.807 0.1423 99.2
0.0462 0.1027 96.5