Optimizing the Ultrasound-Assisted Extraction of Total Cardiac Glycosides from the Milk of Calotropis Gigantea with Response Surface Methodology
文献类型： 外文期刊
作者： Gao, Z. Y. 1 ; Gong, R. 1 ; Gao, F. 2 ; Zha, F. 1 ;
作者机构： 1.Northwest Normal Univ, Coll Chem & Chem Engn, Lanzhou, Peoples R China
2.Chinese Acad Trop Agr Sci, Inst Trop Crop Genet Resources, Danzhou, Peoples R China
关键词： ultrasound-assisted extraction; cardiac glycoside; Calotropis gigantea; response surface method; Box-Behnken design
期刊名称：THEORETICAL FOUNDATIONS OF CHEMICAL ENGINEERING （ 影响因子：0.8； 五年影响因子：0.7 ）
ISSN： 0040-5795
年卷期： 2023 年 57 卷 SUPPL 1 期
页码：
收录情况： SCI
摘要： The ultrasound-assisted extraction was carried out to separate the total cardiac glycoside from the milk of Calotropis gigantea, and the extraction factors was optimized by response surface method using the Box-Behnken design (BBD) on total cardiac glycoside extraction was determined and optimized. A quadratic polynomial parameter mathematical model was established. Under the optimized conditions of ethanol concentration = 40% (vol), liquid-material ratio = 40 : 1, ultrasound power = 420 W and ultrasonic time = 30 min, the total cardiac glycoside yield is 12.75%, which is very close to the predicted value of 12.48%. The model predicts the experimental data well and has a high determination coefficient (R-2 = 0.992). The variables that have a greater influence on the extraction yield were selected as ultrasonic power, ultrasonic time, ethanol concentration and liquid-material ratio, respectively.
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