期刊
JOURNAL OF THE KOREAN SOCIETY FOR APPLIED BIOLOGICAL CHEMISTRY
卷 52, 期 6, 页码 694-701出版社
KOREAN SOC APPLIED BIOLOGICAL CHEMISTRY
DOI: 10.3839/jksabc.2009.115
关键词
central composite design; Chinese quince; microwave-assisted extraction; optimization; response surface methodology
资金
- Rural Development Administration, Republic of Korea [20080401034050]
- Rural Development Administration (RDA), Republic of Korea [20080401034050] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Active components in Chinese quince were extracted by using high efficient microwave-assisted extraction. In accordance with central composited design, 20 runs with 3 variables and 5 levels applied for the optimization in response surface methodology system. The extracts were analyzed by spectrophotometeric methods for the total flavonoids content (TFC), total phenolic compound (TPC) and electron donating ability (EDA). The optimum conditions obtained were 44.15% ethanol concentration, 5 min extraction time and 102.1 W microwave power for maximum TFC (477.8 mg RE/100 g), TPC (2249 mg GAE/100 g) and EDA (77.47%) as predicted by overlaid contour plots.
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