|
Province
|
Extraction yield (%)
|
Tectoridin (mg/g, n= 3)
|
6"-O-xylosyl-tectoridin (mg/g, n= 3)
|
|---|
|
Hebei
|
31.04
|
40.35 (0.88)
|
39.03 (0.77)
|
|
Shanxi
|
31.10
|
38.26 (0.90)
|
41.89 (0.74)
|
|
Shandong
|
33.78
|
26.46 (0.78)
|
30.90 (0.72)
|
|
Henan
|
32.02
|
43.28 (0.79)
|
38.43 (0.82)
|
|
Jiangsu
|
31.16
|
36.92 (0.83)
|
32.69 (0.43)
|
|
Anhui
|
33.32
|
30.50 (0.69)
|
30.63 (0.63)
|
|
Hubei
|
34.85
|
30.48 (0.60)
|
48.23 (0.95)
|
|
Jiangxi
|
34.24
|
10.00 (0.14)
|
18.61 (0.26)
|
|
Hunan
|
31.70
|
19.81 (0.44)
|
25.91 (0.31)
|
|
Guangxi
|
32.80
|
14.47 (0.26)
|
11.08 (0.25)
|
|
Guangdong
|
32.85
|
14.85 (0.28)
|
37.03 (1.05)
|
- Extraction yield is the ratio of the amount of dry extract actually obtained, to the amount of dry herb samples used for extraction.
- Data are expressed as mean (SD).
- SD: standard deviation
- Means comparison was performed according to one-way ANOVA with α = 0.05.
- P > 0.05 for comparing extraction yields.
- P < 0.05 for comparing two major isoflavones in samples from northern and southern provinces.
