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Table 1 Precision, stability and repeatability of the Angong Niuhuang Wan sample, and the contents of nine compounds

From: Angong Niuhuang Wan reduces hemorrhagic transformation and mortality in ischemic stroke rats with delayed thrombolysis: involvement of peroxynitrite-mediated MMP-9 activation

Sample Precision (RSD, n = 6) (%) Stability (RSD, 24 h) (%) Repeatability (RSD, n = 6) (%) Contents in AGNHW
Geniposide 0.93 0.79 3.74 5.799 ± 0.033 mg/pill
Epiberberine 3.77 3.28 4.79 1.844 ± 0.045 mg/pill
Coptisine 1.02 0.97 4.79 1.752 ± 0.167 mg/pill
Baicalin 1.36 1.16 3.88 10.42 ± 0.214 mg/pill
Palmatine 1.22 1.14 3.86 1.856 ± 0.009 mg/pill
Berberine 0.78 0.67 3.75 9.258 ± 0.021 mg/pill
Wogonoside 4.34 3.90 3.86 1.153 ± 0.043 mg/pill
Baicalein 1.66 1.62 3.55 3.454 ± 0.064 mg/pill
Wogonin 2.14 1.97 3.56 1.340 ± 0.036 mg/pill