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Extraction of aroma components in chestnut flower and its application

WANG Hao-ran1,2,WEI Fu-xiang1,GUI Jian-ye3(1.College of Environmental Science and Engineering,Hebei University of Science and Technology,Shijiazhuang Hebei 050018,China;2.Qinhuangdao Center for Disease Control and Prevention,Qinhuangdao Hebei 066001,China;3.Institute of Hydrogeology and Environmental Geology,CAGS,Shijiazhuang Hebei 050803,China)  
With pure water as solvent,essential oil is extracted from chestnut flower by using the method of Accelerated Solvent Extraction,and is directly analyzed by purge and trap technique.Essential oil of chestnut flower is extracted by steam distillation method and the distillation liquid is analyzed by GC-MS.The results show that essential oil of chestnut flower contains twenty eight components including ten kinds of esters,four kinds of alcohols and nine kinds of aldehydes.The main volatile components of chestnut flower essential oil,as well as the main components of the chestnut floral aroma,are alcohols,aldehydes and esters.The experiments show that the best condition for producing Freshener is as follows: the late chestnut flower as raw materials,pressure of 0.04 MPa,distillation time of 2.5 h and liquid to solid ratio of 6.
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