Bud of Flos Chrysanthemi Indici is a common traditional Chinese medicine(TCM), which is used as heat-clearing and detoxication, protection against the cold et al. The main effective constituents for Bud of Flos Chrysanthemi Indici are volatile oil and flavonoids. Though there are many reports on Flos Chrysanthemi Indici, there is not any report on Bud of Flos Chrysanthemi Indici. However, there may be significant differences between the contents of volatile constituents for both samples because of their dif...