Brief Article
Copyright ©2009 The WJG Press and Baishideng.
World J Gastroenterol. Dec 21, 2009; 15(47): 5992-5999
Published online Dec 21, 2009. doi: 10.3748/wjg.15.5992
Table 2 Stability of the 6 major DCQD compositions in rat plasma QC samples (%, n = 3)
Spiked amount(ng/mL)Bench-top bias
Long-term bias
Freeze-thaw bias
Extract bias
Autosampler bias
2 h4 h7 d14 d128 h24 h6 h12 h
Rhein39.1-1.32-4.57-1.15-4.27-1.15-2.546.06-4.54-5.25-5.33
156-2.50-5.39-2.36-0.43-2.360.432.282.48-1.29-1.07
6255.28-1.211.60-2.821.60-2.93-0.903.40-0.48-0.27
37502.065.52-4.460.09-4.46-0.171.501.32-1.54-3.60
Chrysophanol6.1-0.671.002.423.542.420.904.733.190.732.36
24.45.044.62-2.74-2.61-2.74-6.40-2.82-4.42-3.39-3.52
97.7-0.325.80-5.390.27-5.39-1.52-2.340.00-3.410.00
568.0-0.72-2.002.01-2.132.01-2.47-2.92-0.970.632.42
Rheochrysidin6.11.59-2.59-4.11-3.78-4.11-5.18-3.93-6.27-6.33-5.10
24.44.09-0.650.00-4.030.00-1.27-0.433.24-0.42-3.18
97.7-0.86-4.45-0.380.59-0.38-2.43-0.58-0.320.38-2.49
568.02.80-5.52-3.40-2.09-3.40-2.182.041.16-1.66-3.66
Magnolol6.1-1.581.33-5.23-4.34-5.23-3.09-2.72-2.14-5.18-4.60
24.45.760.840.42-2.490.420.28-1.951.531.25-0.83
97.71.821.171.48-1.101.480.904.231.47-3.211.35
568.0-2.02-3.03-1.60-4.43-1.60-2.210.23-5.01-3.82-6.14
Hesperidin6.1-4.294.85-0.48-1.27-0.48-3.081.012.34-3.98-1.54
24.4-2.03-3.110.410.000.41-1.361.461.46-4.214.76
97.73.42-1.690.110.390.111.372.672.332.705.12
568.0-3.00-0.81-4.73-2.25-4.73-3.553.750.62-2.760.23
Naringin6.1-1.652.70-1.961.63-1.96-4.90-1.73-0.492.61-2.83
24.43.954.90-4.56-2.73-4.56-2.731.042.86-4.69-6.12
97.70.072.03-5.11-0.96-5.111.58-4.46-2.31-0.450.93
568.0-4.101.68-4.52-1.45-4.52-4.811.20-3.06-2.08-1.56