正交响应面提取山核桃外果皮4,8-DHT的研究  

Study on the Extraction of 4,8-DHT from Carya cathayensis Epicarp by Orthogonal Response Surface

作　　者：张金云 刘姚 杨光 宋杰 阳桂芳 吴世军 Zhang Jinyun;Liu Yao;Yang Guang;Song Jie;Yang Guifang;Wu Shijun(School of Horticulture and Food,Guangdong Eco-Engineering Polytechnic,Guangzhou 510000,Guangdong,China)

机构地区：[1]广东生态工程职业学院园艺与食品学院,广东广州510000

出　　处：《农业技术与装备》2023年第7期10-12,共3页Agricultural Technology & Equipment

基　　金：广东生态工程职业学院2020年校级精品在线开放课程项目《果树设施栽培》(2020zlgc-xj-jpkc007);广东生态工程职业学院2019年校级“林果应用技术协同创新中心”项目(粤生态职院〔2019〕57)。

摘　　要：采用正交响应面分析法对山核桃外果皮化感活性物质4,8-DHT提取条件影响较大的因素,对溶剂浓度、温度、超声功率、时间等参数进行优化设计,根据BBD中心组合试验设计原理,分析确定超声提取山核桃外果皮4,8-DHT的最佳工艺条件为:提取时间1 h,提取温度60℃,超声功率55 W,乙醇浓度50%时,4,8-DHT提取效果最佳,为2.48 mg/g。Orthogonal response surface analysis was used to optimize the factors affecting the extraction conditions of 4,8-DHT in Carya cathayensis epicarp,such as solvent concentration,temperature,ultrasonic power,time and other parameters.According to the design principle of BBD central combination experiment,the optimal process conditions for ultrasonic extraction of 4,8-DHT in Carya cathayensis epicarp were analyzed and determined as follows:the extraction time was 1 h,the extraction temperature was 60℃,the ultrasonic power was 55 W,and the ethanol concentration was 50%.The extraction content of 4,8-DHT was 2.48 mg/g.

关 键 词：山核桃 4 8-DHT 化感活性 提取 

分 类 号：S664.1[农业科学—果树学]