Preparation and extraction of onion essential oil by ionic liquid and ultrasound-microwave-assisted method
CAO Hong1,DUAN Haiyan1,LI Chun1,2,XIN Na1,LI Jun1,LI Bingqi1
CIESC Journal . 2012, (3): 826 -833 .  DOI: 10.3969/j.issn.0438-1157.2012.03.022