Extraction Efficiency of Shosaikoto (Xiaochaihu Tang) and Investigation of the Major Constituents in the Residual Crude Drugs
Table 2
Influence of various conditions on the extraction efficiency.
Condition
Water volume
Decoction time
Number of experiment
Total extract (g)
Tannin (mg, ethyl gallate equivalent)
Saikosaponin b2 (mg)
Glycyrrhizin (mg)
Baicalin (mg)
Saikosaponin d (mg)
Control
400 mL
30 min
6, 5 (tannin)
c∗
bc
c
b
b
a
Water increase
600 mL
30 min
4
b
ab
c
ab
ab
a
Time prolongation
400 mL
50 min
4
c
c
b
ab
b
a
Time and water increase
600 mL
50 min
4
a
a
a
a
a
a
Each value represents the mean ± SD.
*The results of the Tukey test (within columns) are indicated by different letters where values differ significantly at .
