期刊
JOURNAL OF THE KOREAN SOCIETY FOR APPLIED BIOLOGICAL CHEMISTRY
卷 56, 期 3, 页码 317-324出版社
KOREAN SOC APPLIED BIOLOGICAL CHEMISTRY
DOI: 10.1007/s13765-012-3262-3
关键词
microwave-assisted extraction; mulberry; polyphenol; response surface methodology; rotatable box behnken design
资金
- Kyungpook National University
Polyphenols in mulberry fruit were fast extracted using a microwave-assisted extraction technique, and the effects of process variables including the solvent concentration, irradiation time, microwave power, and solvent consumption upon polyphenol extraction were investigated. Fifteen runs rotatable box-behnken design (RBBD) with three variables and three levels were employed; optimal conditions and maximal yields of the total polyphenol and flavonoid contents were predicted by generating a mathematical polynomial model based on response surface methodology. The estimated optimal conditions were ethanol concentration of 40%, irradiation time of 8 min, and microwave power of 210 W. A verification experiment was carried out at the above mentioned optimal conditions, and no significant differences were observed between the predicted and experimental values, which confirmed that the prediction was valid and application of response surface methodology (RSM) to the extraction of polyphenols and flavonoids from mulberries under microwave-assisted extraction (MAE) process was successful. In addition, specific polyphenols contained in mulberries were identified and quantified using high performance liquid chromatogaph.
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