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The Study on the Technology of Extracting
Osmanthus Fragrance Spice
Abstract: Osmanthus, belong to Oleaceae Osmanthus, which extracts not only has many edible and medicinal value, but also wide used in chemical industry. Osmanthus Essential oil is a kind of wax for deep yellow or brown semi-solid, with clear sweet floral, slightly sweet and clear sense, having  effectiveness such as cold-dispelling rheumatism, toothache, cough, skin whitening beauty, troubleshooting, and purge toxins from the body. This article, back through the discussion and calculating of the supercritical CO2 P-V-T principles,the phase equilibrium and the models,coming to the superiority of extracting spices and the advantages of extracting Osmanthus fragrans. And the study back through the petroleum ether extraction reflowing and orthogonal test of extracting from the Osmanthus fragrans£¬extract the optimum conditions. Temperature of extraction 75¡æ£¬extracting time 80min£¬Osmanthus and petroleum ether volume ratio 1£º2£¬Total extract content 1.5%.

Keywords£ºOsmanthus Concrete; supercritical£»optimum conditions; orthogonal test ;petroleum ether


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