Inula britannica (Xuanfuhua)

Distribution:
Shanxi, Gansu, Xinjiang, Henan, Guangxi provinces of China..
 
Properties (characteristics):
Bitter, acrid, salty, slightly warm.
 
Channels (meridians) entered:
Lung, spleen, stomach, large intestine.
 
Medical functions:
Anti-bacterial 
anti-inflammatory: anti-inflammation activities of xuan fu hua extract might be attributed to the inhibition of NO, iNOS and cytokine expression through the down-regulation of NF-κB activation via suppression of IκBα and MAP kinase phosphorylation in macrophages.
anti-virus 
anti-tumor 
anti-oxidation 
anti-asthma, arrest cough
protect liver from toxin

Actions & Indications:
Being used in wind cold type of cough, Asthma, Chronic Bronchitis, phlegm stagnation, fullness in chest, asthmatic cough with abundance of phlegm, vomiting, burping, lumps under the chest.

Chemical ingredients:
gaillardin
quercetin
quercemeritrin
isoquercitrin
quercetagitrin
luteolin
6-hydroxyluteolin 7-glucoside
quercetin 7-glucuronoglucoside
6-hydroxyluteolin 7-diglucoside
etc......
 
Daly Dosage:
3 to 9 g, (wrap in cloth to make decoction)
 
Cautions:
Not to use in yinxu (yin deficient)  with chronic cough, dry cough with wind heat type syndrome.