Optimization of Supercritical CO2 Extraction of Hovenia dulcis Thunb. Seed Oil by Orthogonal Test Methodology

Qin Xia; Xue Yuan Jin

doi:10.4028/www.scientific.net/AMR.396-398.2285

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Optimization of Supercritical CO₂ Extraction of Hovenia dulcis Thunb. Seed Oil by Orthogonal Test Methodology
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 396-398Optimization of Supercritical CO2 Extraction of...

Optimization of Supercritical CO₂ Extraction of Hovenia dulcis Thunb. Seed Oil by Orthogonal Test Methodology

Abstract:

The objective of the work was to optimize the extraction of Hovenia dulcis Thunb. seed oil (HSO) by means of supercritical fluid extraction (SFE). Effects of pressure, temperature, time and CO2 flow rate on extract abilities of HSO were studied in this paper. Basis on the signal factor test, the orthogonal design was used to optimize the extraction conditions. Results showed that following conditions were optimal: pressure 40Mpa, temperature 40°C, time 120min, CO2 flow rate 9 kg/h. Extraction yield of HSO were 8.92%. Supercritical CO2 technology was a good extraction method for its higher yield and shorter time.