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Table 1 Precision of determination for the standards of two major isoflavones

From: Quantitative analysis of two isoflavones in Pueraria lobata flowers from eleven Chinese provinces using high performance liquid chromatography

Compounds Concentration
(μg/mL)
Intra-day RSD%
(n= 6)
Inter-day RSD%
(n= 6)
  30.5 1.90 1.97
Tectoridin 60.9 1.03 1.86
118.5 0.82 1.52
38.1 1.65 1.98
6"-O-xylosyl-tectoridin 69.4 0.78 1.95
129.7 0.72 1.41