Study on Extraction of Rose Concrete by Supercritical Carbon Dioxide
In this paper, the effects of temperature, pressure, flow rate and extraction time on the yield of rose extract were studied by single factor test using rose flowers as raw material and supercritical carbon dioxide as solvent. The results showed that the yield of rose concrete would reach to 0.2% under the conditions of temperature 40 ℃, pressure 25 MPa, flow rate 30 L/h and 2 hours dynamic extraction.
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