Analysis of Volatile Components of Leaves of 4 Species of Aspidopterys by GC-MS
The volatile components in leaves of 4 species of Aspidopterys glabriuscula,Aspidopterys cavaler-iei,Aspidopterys concava and Aspidopterys obcordata were analyzed by GC-MS.The results showed that a total of 187 chemical components were identified in the leaves of 4 Aspidopterys plants,including 23 alcohols,11 aro-matic hydrocarbons,3 phenols,1 ether,20 aldehydes,27 ketones,25 alkanes,43 alkenes,22 esters and 12 others.There were 59 common chemical components in the leaves of 4 Aspidopterys plants,and the unique components were different with different components and contents.The main components of A.glabriuscula,A.cavaleriei and A.concava were aldehydes and alcohols,reaching 73.74％-86.85％.The main components of A.obcordata were alcohols,olefins and aldehydes,reaching 68.46％.Cyclohexanol(31.58％),1-hexanol(23.24％)and(E)-2-hexenal(15.76％)were the main volatile components in the leaves of A.cavaleriei,(E)-2-hexenal(55.63％)and 1-hexanal(15.13％)were the main volatile components in A.cavaleriei,(E)-2-hexenal(41.83％)and cyclohexanol(10.18％)were the main volatile components in A.concava.Aspidopterys obcordata was dominated by l-hexanol(24.36％)and cyclohexanol(11.35％).The composition and content of volatile components in the leaves of 4 Aspidopterys plants were significantly different.The results can provide reference for the cultivation and resource development and utilization of Aspidopterys plants.
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