Study on Separating High-pure Citronellol from Eucalyptus citriodora Oil

Eucalyptus citriodora oil is rich in citronellol which is a heat-sensitive substance.It is unstable at high temperature,which makes high-pure separation be more difficult.High vacuum secondary rectify technique was carried out,which could produce citronellol with purity more than 95% and yield more than 60%.