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Table 5 Repeatability, stability, and recovery of seven compounds in Danmu preparations

From: Chromatographic fingerprints analysis and determination of seven components in Danmu preparations by HPLC–DAD/QTOF-MS

CompoundsDanmu CapsuleDanmu Syrup
Repeatability (RSD %, n = 6)Stability (RSD%, n = 6)Recovery, mean (RSD%, n = 6)Repeatability (RSD%, n = 6)Stability (RSD%, n = 6)Recovery, mean (RSD%, n = 6)
Protocatechuic acid0.780.82103.27 (1.23)1.930.88102.98 (1.43)
Neochlorogenic acid2.762.3894.67 (1.05)2.462.5398.77 (3.62)
Cryptochlorogenic acid2.472.9399.65 (2.01)2.982.77100.09 (2.34)
Chlorogenic acid1.181.65100.34 (1.54)2.860.69102.38 (1.17)
Sweroside1.472.38100.97 (1.27)2.092.33103.64 (1.15)
Strictosamide0.500.7397.81 (1.08)1.690.4495.34 (1.29)
Vincosamide1.362.8498.86 (1.64)2.870.40102.42 (1.02)