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Analysis of Extraction Characteristics of Phytoestrogen Components from Punica granatum L.  

Kim, Seong-Ho (Department of Herb & Food Science, Kyungpook College of Science)
Kim, In-Ho (Department of Bio-Health Industrial Institute, Kyungpook College of Science)
Kang, Bok-Hee (Department of Bio-Health Industrial Institute, Kyungpook College of Science)
Cha, Tae-Yang (Department of Bio-Health Industrial Institute, Kyungpook College of Science)
Lee, Jin-Hyung (Department of Microbiology, Kyungpook National University)
Kim, Jong-Myeong (Department of Microbiology, Kyungpook National University)
Rim, Soon-Ok (Department of Microbiology, Kyungpook National University)
Song, Kyung-Sik (College of Agriculture and Life Sciences, Kyungpook National University)
Song, Bang-Ho (Department of Biology Education, Kyungpook National University)
Kim, Jong-Guk (Department of Microbiology, Kyungpook National University)
Lee, Jin-Man (Department of Herb & Food Science, Kyungpook College of Science)
Publication Information
Applied Biological Chemistry / v.48, no.4, 2005 , pp. 352-357 More about this Journal
Abstract
The optimization of extraction conditions of phytoestrogen from pomegranate by hot water was conducted by analyzing the extraction characteristics. The purpose of this study was effective utilization of bioactive components of pomegranate, and the analyzing was performed with response surface methodology (RSM). This study established 10 sections based on the central composite design with the independent variables of extraction temperature (60, 70, 80, 90, $100^{\circ}C$) and extraction time (1, 2, 3, 4, 5 hr) to predict the optimal conditions for extraction of the effective components. The dependent variables were measured for extracted materials, those were, the major components such as chlorogenic acid, kaempferol, $17-{\alpha}-estradiol\;and\;17-{\beta}-estradiol$ content, and regression analysis was performed by SAS program, and optimal conditions for each characteristics were predicted, and the characteristics of extraction were analyzed by response surface methodology. It was found that chlorogenic acid, kaempferol, and $17-{\alpha}-estradiol$ content were greatly affected by extraction temperature. However, $17-{\beta}-estradiol$ content was affected significantly by extraction time. Regression formulas for each variable were elicited from this study, and the chlorogenic acid, kaempferol, $17-{\alpha}-estradiol\;and\;17-{\beta}-estradiol$ content depending on response surface methodology factor were superimposed. It was shown that optimal temperature and extraction time were $98{\sim}100^{\circ}C\;and\;3{\sim}5$ hrs, respectively.
Keywords
pomegranate; phytoestrogen; extraction condition; RSM;
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