Abstract
In this study, the ultrasound-assisted extraction (UAE) was used for extraction of pinocembrin from Flos populi. Based on the results of the single-factor experiment, four independent parameters, including ethanol concentration (40–80 %), extraction temperature (50–70 °C), extraction time (25–45 min) and electrical acoustic intensity (40.8–81.5 W/m2) were further investigated using response surface methodology (RSM) coupled with Box-Behnken design. The experimental data were fitted to the quadratic response surface model using multiple regression analysis with high adjusted determination coefficient value (R2) of 0.9697. The highest yield (134.2 ± 1.53 mg/g) of pinocembrin was obtained under the optimal conditions (ethanol concentration of 68 %, extraction temperature of 69 °C, extraction time of 42 min and electrical acoustic intensity of 66.81 W/cm2), which agreed to the predicted value of 132.9 mg/g. Moreover, the comparison between the UAE and reflux extraction also showed the suitability of UAE for pinocembrin from Flos populi.
Funding statement: This research was supported by National Natural Science Foundation of China (Grant No. 31572559), Academic Backbone Project of Northeast Agricultural University (Grant No. 16XG16).
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Artikel in diesem Heft
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- Optimization of Enzyme-Assisted Extraction of Carotenoids Antioxidants from Cordyceps militaris Using Response Surface Methodology
- Optimization of Ultrasonic-Assisted Extraction for Pinocembrin from Flospopuli Using Response Surface Methodology
Artikel in diesem Heft
- Articles
- A Method to Analyze the Protein Denaturation of Whole Quail Egg Based on in situ NMR and MRI
- Non-linear Rheological Properties of Soy Protein Isolate Dispersions and Acid-Induced Gels
- Finite Element modeling of Mechanical Loading-Pumpkin Peel and flesh
- Frequency Sweep Test and Modal Analysis of Watermelon during Transportation
- Identification and Classification of Three Iranian Rice Varieties in Mixed Bulks Using Image Processing and MLP Neural Network
- The Impact of Heat-Moisture Treatment on Physicochemical Properties and Retrogradation Behavior of Sweet Potato Starch
- Drying Kinetics and Quality Attributes of Peach Cylinders as Affected by Osmotic Pretreatments and Infrared Radiation Drying
- Hot-Melt Fluidized Bed Encapsulation of Citric Acid with Lipid
- Optimization of Enzyme-Assisted Extraction of Carotenoids Antioxidants from Cordyceps militaris Using Response Surface Methodology
- Optimization of Ultrasonic-Assisted Extraction for Pinocembrin from Flospopuli Using Response Surface Methodology