Table. 1.

HPLC detection of eight major chemical compositions of the YHHY decoction.

Chemical constituents	Linear range (μg/ml)	Limit of Quantity (μg/ml)	Concentration (μg/ml)
6-shogaol	4.5–30	1.5	22.5 ± 3.5
cinnamic acid	2.3–300	0.06	3.5 ± 0.05
cinnamic aldehyde	1.6–105	0.03	61.5 ± 5.6
polysaccharide	1.5–75	0.05	30.2 ± 4.6
adenosine	2.8–115	0.02	18.9 ± 2.6
uracil	2.7–230	0.01	11.1 ± 2.1
tubeimoside A	0.4–200	0.01	27.2 ± 2.3
allyl isothiocyanate	0.2–105	0.1	20.1 ± 3.7

Data are expressed as mean ± SD (n = 3)