Determination of linarin and luteolin in Flos Chrysanthemi Indici by HPLC Determination of main flavone glycosides in Flos Chrysanthemi and observation of factors influenced contents Determination of chlorogenic acid, caffeic acid and linarin in Flos Chrysanthemi Indici from different places by RP-HPLC Principal component analysis and correlation analysis of elements in Flos Chrysanthemi Indici from different regions Pre treatment in determining total polysaccharide in Flos Chrysanthemi Indici by response surface design Simultaneous determination of six flavonoids in Flos Chrysanthemi Indici by RP-HPLC Fingerprint of Flos Chrysanthemi by HPLC Chemical Components of Essential Oils From Flos Chrysanthemi Indici in Different Areas GC-MS analysis of essential oils from the red-core flos chrysanthemi (inflorescencs of Dendranthema morifolium)