Pub Date : 2012-10-01DOI: 10.1109/BMSE.2012.6466186
J. Lijuan
The optimum enzyme of extracting oil from Cornus wilsoniana fruit was selected from xylanase,amylase,cellulase,neutral protease,composite plant hydrolytic enzymes and pectinase.The results showed that the oil extraction rate(65.29%) with cellulase was the highest among the six kinds of enzyme,and the oil exraction rate(64.05%) with composite plant hydrolytic enzymes was the second,the lowest oil extraction rate was 54.47% only by xylanase.By single factor test,the optimum conditions with cellulase was obtained as follows: pH 5.8,solid-liquid ratio 1∶3,enzyme dosage 2.5%,reaction temperature 40 ℃,reaction time 4 h.Under these conditions,the oil extraction rate reached 76.64%.
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