Development and validation of ultrasound-assisted solid-liquid extraction of phenolic compounds from waste spent coffee grounds

被引：241
作者：
Al-Dhabi, Naif Abdullah [1 ]
Ponmurugan, Karuppiah [1 ]
Jeganathan, Prakash Maran [2 ]
机构：
[1] King Saud Univ, Dept Bot & Microbiol, Coll Sci, Addiriyah Chair Environm Studies, Riyadh 11451, Saudi Arabia
[2] Kongu Engn Coll, Dept Food Technol, Erode, Tamil Nadu, India
来源：
ULTRASONICS SONOCHEMISTRY | 2017年 / 34卷
关键词：
Ultrasound-assisted solid-liquid extraction; Spent coffee ground; Box-Behnken response surface design; Phenolic compounds; BOX-BEHNKEN DESIGN; OPTIMIZATION; PECTIN;
D O I：
10.1016/j.ultsonch.2016.05.005
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
In this current work, Box-Behnken statistical experimental design (BBD) was adopted to evaluate and optimize USLE (ultrasound-assisted solid-liquid extraction) of phytochemicals from spent coffee grounds. Factors employed in this study are ultrasonic power, temperature, time and solid-liquid (SL) ratio. Individual and interactive effect of independent variables over the extraction yield was depicted through mathematical models, which are generated from the experimental data. Determined optimum process conditions are 244 W of ultrasonic power, 40 degrees C of temperature, 34 min of time and 1:17 g/ml of SL ratio. The predicted values were in correlation with experimental values with 95% confidence level, under the determined optimal conditions. This indicates the significance of selected method for USLE of phytochemicals from SCG. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：206 / 213
页数：8
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