Supercritical carbon dioxide extraction of omega-3 oil compounds from Ficus awkeotsang Makino achenes

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• 作者：Yang-Jung Cheng ; Chwen-Jen Shieh ; Yuan-Chuen Wang ; Shih-Ming Lai ; Chieh-Ming J. Chang
• 关键词：Ficus awkeotsang M. achenes ; Linolenic-rich oil ; Supercritical carbon dioxide extraction ; Response surface methodology
• 刊名：Separation and Purification Technology
• 出版年：2012
• 出版时间：19 September, 2012
• 年：2012
• 卷：98
• 期：Complete
• 页码：62-68
• 全文大小：574 K

文摘

This work investigated the production of linolenic-rich oil from Ficus awkeotsang Makino achenes using supercritical carbon dioxide extraction. The 16 h Soxhlet n-hexane extraction of these achenes produced total yield of 12.91 % and concentration of 686.3 mg/g of the extracted oil. Supercritical carbon dioxide extractions were performed with pressures ranged from 325 to 375 bar, temperatures ranged from 323 to 343 K, and solvent to solid ratios ranged from 80 to 160 by using a three-factor experimental designed response surface methodology. Three responses of total yield (TY), concentration of triglycerides (C_TG) and recovery of triglycerides (R_TG) were measured. Under a suitable condition, the values of TY, C_TG, and R_TG were 9.24 % , 893.5 mg/g and 93.2 % , respectively. This study demonstrated that environmental benign supercritical carbon dioxide extraction of linolenic-rich oil from Ficus awkeotsang M. achenes is a feasible and sustainable green process, alternative to traditional organic solvent extraction.