Title: Solvent extraction of oil-tea camellia seed oil enhanced by ultrasound
Abstract: Oil-tea camellia seed oil with rich unsaturated fatty acids is a kind of functional oil.The effects of several factors,such as extraction solvent,solid-liquid ratio and extraction time,on both traditional and ultrasound aided oil-tea camellia seed oil extraction were investigated.The results indicated that n-hexane was the better solvent for the above-mentioned two extraction methods,the yield of oil-tea camellia seed oil increased with the increase of solvent quantity,extraction time,ultrasound power and extraction temperature.Under the following conditions of temperature 40℃,ratio of liquid volume to solid mass 6∶1,extraction time 30 min and ultrasound power 300 W,the oil yield reached 45.23%.However,with the traditional extraction method,the oil yield were only 38.15% under the parameters of temperature 60℃,liquid volume to solid mass ratio 7∶1,extraction time 90 min.Obviously the advantages of ultrasound aided extraction in reducing extraction temperature,decreasing solvent quantity,saving time and improving oil yield were verified.
Publication Year: 2009
Publication Date: 2009-01-01
Language: en
Type: article
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Cited By Count: 4
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