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Updated: May 16, 2026
Microwave-Assisted Extraction of Phenolic Compounds and Antioxidants for Cosmetic Applications Using Polyol-Based Technology
Published on: August 23, 2024
[Microwave extraction of total flavonoids in peanut skins]
Lin-Shan Bai1, Yun Yang, Dan-Dan Lv
1School of Chemistry and Chemical Engineering, Anhui University of Technology, Maanshan 243002, China. bails@ahut.edu.cn
Objective:
To determine the optimum microwave extraction process of flavonoids in peanut skin.
Methods:
The effects of extraction methods, microwave irradiation time, microwave power, ethanol concentration, material-liquid ratio and extraction times on the extraction of total flavonoids in peanut skin was investigated.
Results:
Based on the single factor experiments, the extraction conditions were optimized by orthogonal experiment. Microwave extraction method had higher extraction rate, and was selected for the extraction of total flavonoids in peanut skin. The optimum extraction conditions were as follows: the microwave power was 690 W, the extraction time was 40 s, the concentration of ethanol was 55%, the material-liquid ratio was 1: 20. Under the optimum conditions, the yield of total flavonoids was 3.18%.
Conclusion:
The microwave extraction method is simple, and can be applied to the fast extraction of total flavonoids in peanut skin.
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