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KMID : 0903520050480040352
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
2005 Volume.48 No. 4 p.352 ~ p.357
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Analysis of Extraction Characteristics of Phytoestrogen Components from Punica granatum L.
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Kim Seong-Ho
Kim In-Ho
Kang Bok-Hee
Cha Tae-Yang
Lee Jin-Hyung
Kim Jong-Myeung
Rim Soon-Ok
Song Kyung-Sik
Sohng Bang-Ho
Kim Jong-Guk
Lee Jin-Man
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Abstract
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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, 100oC) 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-α-estradiol and 17-β-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-α-estradiol content were greatly affected by extraction temperature. However, 17-β-estradiol content was affected significantly by extraction time. Regression formulas for each variable were elicited from this study, and the chlorogenic acid, kaempferol, 17-α-estradiol and 17-β-estradiol content depending on response surface methodology factor were superimposed. It was shown that optimal temperature and extraction time were 98~100oC and 3~5 hrs, respectively.
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KEYWORD
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pomegranate, phytoestrogen, extraction condition, RSM
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