Parameters (%)

Results ± SD

Limit value for herb

(Commission, 2015)

Lou-Zhicen (1980)

Moisture content

8.00 ± 0.0

10.0

8.0 - 14.0

Water soluble extractive

10.57 ± 0.14

-

-

Alcohol soluble extractive at 30%

15.47 ± 0.07

-

-

Alcohol soluble extractive at 50%

19.29 ± 0.13

-

-

Alcohol soluble extractive at 80%

20.55 ± 0.08

-

-

Total ash content

3.26 ± 0.11

15.0

5.0

Water soluble ash

1.41 ± 0.16

8.0

-

Acid insoluble ash

1.81 ± 0.10

1.5

2.0