Determination of Flavonoids from Navel Orange (Citrus sinensis) Fruits by HPLC-Q-TOF/MS HPLC-TOF-MS analysis of metabolites of Diffusa effective extracts in rats Study on intervention effect of Jieduquyuziyin prescription systemic lupus erythematosus by HPLC-Q-TOF/MS Chemical constituent change regulation of processed aconite during decoction and discussion on time limit of decoction based on metabolomics