Table 5

Simultaneous determination of eight markers in three commercial samples of Dachengqi Tang

Marker

Content (mg/g)

Batch 1

Batch 2

Batch 3

Naringin

3.89 (0.07)

3.82 (0.07)

3.79 (0.06)

Hesperidin

11.27 (0.23)

11.04 (0.22)

10.87 (0.22)

Aloe emodin

1.72 (0.08)

1.69 (0.07)

1.77 (0.08)

Rhein

0.88 (0.05)

0.83 (0.03)

0.86 (0.05)

Honokial

1.25 (0.08)

1.28 (0.07)

1.24 (0.08)

Magnolol

1.06 (0.07)

1.10 (0.08)

1.16 (0.06)

Emodin

2.39 (0.16)

2.54 (0.11)

2.50 (0.11)

Chrysophanol

0.52 (0.03)

0.57 (0.01)

0.55 (0.01)

Values are mean (SD) n = 3. Single factor ANOVA was performed on each component. No significant difference was observed in the measured concentration of each marker in three batches of DT.

Tang et al. Chinese Medicine 2008 3:5   doi:10.1186/1749-8546-3-5