Analysis of volatile components in five different varietiesof peony flowers by HS-SPME/GC-MS
Using head space-solid phase microextraction( HS-SPME) method for trapping and concentration,the volatile components in 5differentvarieties of peony flowers(Paeonia lactiflora)were identified by gas chromatography-mass spectrometry(GC-MS)tech-nology. Total 15 components were isolated and identified from the volatile components in5 different varietiesof fresh peony flowers, Dongfanghong,Lianhuatuojin,Fendai,Bingqing and Fenyuzhuang. The volatile components in different poneyflowers exhibit different composition characteristics, thereinto, the main part in both Dongfanghong and Lianhuatuojin is geraniol, which accounts for 37. 19%and 84. 60%of all their own components respectively;the main part in Fendai is citronellol which accounts for 56. 06%of all components;the main part in Bingqing is dimethoxybenzene which accounts for 61. 26%of all components;and the main part in Fenyuzhuang is phenethyl alcohol which accounts for 67. 01%of all components.
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