Species of Fistular Onion Stalk in Zhouhou Beiji Fang / 中国中药杂志

Congchi Decoction in Zhouhou Beiji Fang is a prescription commonly used in treating light exterior wind-cold syndrome.Fistular Onion Stalk in the prescription has the effects in inducing sweat and dispelling exogenous evils and accelerating Yang Qi,and has been recorded in many medical books. In addition to be used to treat light exterior wind-cold syndrome,Fistular Onion Stalk is also used extensively and uniquely to treat restlessness after cholera,febrile disease,thoracic obstruction,Yin-Yang toxin syndrome,consumptive disease,bellyache due to spleen Qi deficiency according to Zhouhou Beiji Fang. However,there is still lack of the research on whether Fistular Onion Stalk is derived from shallot or scallion. The authors analyzed the sources of Fistular Onion Stalk in the prescription of Congchi Decoction by consulting ancient books,and studying the plant morphology of shallot,the characteristic and effect of Fistular Onion Stalk and the historical physicians' clinical application of Fistular Onion Stalk,the completion and popularity of Zhouhou Beiji Fang,the ratio of water to medicine of Congchi Decoction and the chemical ingredients of Fistular Onion Stalk. Finally,the authors concluded that Fistular Onion Stalk in the Congchi Decoction refers to Scallion bulbs.

Separation and Identification of Flavonoids from Fistular Onion Stalk(Allium fisturosum L.var.Caespitosum Makio) / 华中科技大学学报（医学）（英德文版）

The chemical constituents of fistular onion stalk obtained by supercritical CO2 extraction were separated and purified by silica gel and sephadex LH-20 gel column chromatography and the preparative TLC method and four flavonoids were obtained.On the basis of the spectral data,they were structurally identified as(+)-catechin,(-)-epicatechin,astragalin,and 3-O-β-D(2-O-β-D-glucopyranosyl)-glucopyranosides of kaempferol.