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Table 2 Results of precision, repeatability and stability of the three analytes, expressed as RSD (%)

From: Chemical compositions, chromatographic fingerprints and antioxidant activities of Citri Exocarpium Rubrum (Juhong)

Analyte Precision Repeatability (n = 5) Stability (n = 6)
Intra-day RSD (%) (n = 5) Inter-day RSD (%) (n = 9) RSD (%) RSD (%)
t R a PAb tR PA tR Contents (mg/g) tR PA
1 0.32 0.39 1.39 2.98 0.52 0.94 1.08 1.65
2 0.42 0.44 1.76 1.31 0.07 1.08 0.72 2.71
3 0.47 0.49 1.65 1.69 0.07 0.88 1.53 1.34
  1. 1 Hesperidin, 2 Nobiletin, 3 Tangeretin
  2. aRefers to retention time
  3. bRefers to peak area