From: Infrared-assisted extraction followed by high performance liquid chromatography to determine angoroside C, cinnamic acid, and harpagoside content in Scrophularia ningpoensis
Analyte
Original (mg/g)
Added (mg/g)
Recorded (mg/g)
Recovery (mean, %)
RSD (%, n = 6)
Angoroside C
0.83
1.25
1.30
104.47%
0.64
Cinnamic acid
0.76
0.625
0.61
98.28%
1.17
Harpagoside
0.94
1.31
104.55%
0.58