超声辅助超临界二氧化碳萃取漆籽中漆蜡的工艺研究  

Extraction of Lacquer Wax from Lacquer Seed by Ultrasonic Assisted Supercritical Carbon Dioxide

作　　者：韩飞 HAN Fei(College of Building and Ecology,Shantou Polytechnic,Shantou Guangdong 515078)

机构地区：[1]汕头职业技术学院建设生态学院,广东汕头515078

出　　处：《现代农业科技》2024年第13期128-131,141,共5页Modern Agricultural Science and Technology

基　　金：广东省科技创新战略专项(“大专项+任务清单”)项目(STKJ202209061);广东省高校思想政治教育课题(2021GXSZ190);汕头市教育科学“十四五”规划课题(2022GHB025);汕头职业技术学院高层次人才科研启动基金(SZK2022G03)。

摘　　要：采用超声波的空化效应可破坏漆籽果皮细胞结构,加速细胞内漆蜡的溢出。本文以漆蜡提取率为指标,通过正交试验优化超临界二氧化碳萃取漆蜡工艺条件。结果表明:漆籽果皮的超声波预处理(超声温度50℃、超声时间30 min、超声频率30 kHz)可有效提高漆籽果皮中漆蜡提取率;以乙酸乙酯为夹带剂,在萃取温度60℃、萃取时间120 min、萃取压力40 Pa、二氧化碳流速30 L/h的条件下进行超临界二氧化碳萃取,对漆籽果皮中漆蜡的提取率为41.3%;采用超声波辅助超临界二氧化碳萃取的漆蜡各指标符合《漆蜡》(GB/T 17526—2008)中食品用漆蜡质量指标的要求(除酸值外)。The cavitation effect of ultrasonic wave was used to destroy the cell structure of lacquer seed peel and accelerate the overflow of lacquer wax in the cells.In this paper,the extraction rate of lacquer wax was used as an index,and the process conditions of supercritical carbon dioxide extraction of lacquer wax were optimized by orthogonal experiment.The results showed that the ultrasonic pretreatment of lacquer seed peel(ultrasonic temperature of 50℃,ultrasonic time of 30 min,ultrasonic frequency of 30 kHz)could effectively improve the extraction rate of lacquer wax in lacquer seed peel.Using ethyl acetate as the entrainer,the extraction rate of lacquer wax from the lacquer seed peel of was 41.3%by the supercritical carbon dioxide extraction technology with extraction temperature of 60℃,extraction time of 120 min,extraction pressure of 40 Pa,and carbon dioxide flow rate of 30 L/h.Each index of the lacquer wax extracted by ultrasonic-assisted supercritical CO2 met the requirements of the quality index of food lacquer wax in Lacquer wax(GB/T 17526—2008)except for acid value.

关 键 词：漆籽 漆蜡 超临界二氧化碳 超声辅助萃取 工艺条件 

分 类 号：TQ645.93[化学工程—精细化工]