Objective To establish a method for determining volatile components from Actinidia valvata Dunn .Methods A static headspace‐gas chromatography‐mass spectrometry (HS‐GC‐MS) method was used to analyze volatile components , and the separated peaks were identified by mass spectal library searching combined with retention index comparison .Results 42 volatile components were separated from Actinidia valvata Dunn and 25 of them were identified ,mainly including alcohols ,es‐ters ,aldehydes ,hydrocarbons and so on .Conclusion Combined with retention index calculation ,this method improved accuracy of qualitation of HS‐GC‐MS and provided scientific proof for the exploitation and utilization of Actinidia valvata Dunn .

Objective To identify the chemical components in Artemisiae argyi folium by rapid resolution liquid chromatog-raphy-time of flight mass spectrometry (RRLC-TOFMS).Methods The separation was performed on an Agilent Eclipse C18 column (2.1 mm ×100 mm,1.8 μm ).The mobile phase consisted of acetonitrile (A) and 0.1% formic acid (B) were in gradient elu-tion.The flowing rate was 0.35 ml/min, the injection volume was 1μl and the temperature of column was 40℃.Time of flight mass spectrometer ( TOFMS) with electro spray ion source ( ESI) was applied to qualitative analysis under the positive ion mode, and mass scan range was m/z 100-1 500 .Results 31 chemical compounds in Artemisiae argyi folium were identified unequivocally .Conclu-sion A rapid and efficient RRLC-TOFMS approach for identifying the chemical constituents of Artemisiae argyi folium had been suc-cessfully established,which paved a way for quality control and further in vivo studies of Artemisiae argyi folium.