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https://doi.org/10.1016/0378-3812(89)80341-3

has been cited by the following article:

• TITLE: Influence of Modifier in Supercritical CO2 on Qualitative and Quantitative Extraction Results of Eucalyptus Ecential Oil

  AUTHORS: Wenyang Dai, Soulisith Keokurngsamay, Yuan Chen, Xiao Zhu, Lili Gu, Yi Han, Zhijun Li

  KEYWORDS: Supercritical CO2 Extraction Behavior, Eucalyptus Oil, 1, 8-Cineole, Modifier

  JOURNAL NAME: American Journal of Plant Sciences, Vol.9 No.2, January 24, 2018

  ABSTRACT: A supercritical CO2 extraction behavior of Eucalyptus oil was investigated under different conditions of pressure, temperature and time with or without cosolvent. The pressure range was from 8 to 25 MPa, temperature from 35 to 55°C and CO2 flow rate from 10 to 26 g/min. For 1,8-cineole the appropriate extracting pressure was 15 MPa and temperature was 45°C. When CO2 flow rate was 18 g/min, it was benefit to extract the other three substances (limonene, p-cymene and γ-terpinene, respectively) except 1,8-cineole. Prolonging extraction time could not obviously increase the extract concentration, but the extract yield would increase. The results also indicated that ethanol as a modifier could improve extraction velocity and extraction concentration.