Abstract: Extracting crude oil from vacuum dried soy sauce residue with solvent was studied.The optimum conditions of the extracting procedure were as following recurrently: taking hexane as solvent,controlling temperature between 63~65℃,extracting 20 minutes per time for 5 times with the ratio of solvent volume to the mass of raw material was 3.5∶1(mL/g).It was also indicated that the meal contained less than 1.20% residue oil,the acid value and the peroxide value of crude oil were 4.5 mg KOH/g and 15 meq/kg,respectively.
Publication Year: 2007
Publication Date: 2007-01-01
Language: en
Type: article
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