Optimization of Microwave-Assisted Process for Extraction of Effective Components from Mosla dinthera M.

마이크로파 추출공정에 의한 쥐깨풀 유용성분의 추출조건 최적화

  • Lee Eun-Jin (Department of Food Science and Technology, Kyungpook National University) ;
  • Kwon Young-Ju (Department of Food Science and Technology, Kyungpook National University) ;
  • Noh Jung-Eun (Department of Food Science and Technology, Kyungpook National University) ;
  • Lee Jeong-Eun (Department of Food Science and Technology, Kyungpook National University) ;
  • Lee Sung-Ho (Department of Food Nutrition & Culinary, Keimyung College) ;
  • Kim Jae-Keun (Department of Food Nutrition & Culinary, Keimyung College) ;
  • Kim Kwang-Soo (Department of Food and Nutrition, Yeungnam University) ;
  • Choi Yong-Hee (Department of Food Science and Technology, Kyungpook National University) ;
  • Kwon Joong-Ho (Department of Food Science and Technology, Kyungpook National University)
  • 이은진 (경북대학교 식품공학과) ;
  • 권영주 (경북대학교 식품공학과) ;
  • 노정은 (경북대학교 식품공학과) ;
  • 이정은 (경북대학교 식품공학과) ;
  • 이성호 (계명문화대학 식품영양조리과) ;
  • 김재근 (계명문화대학 식품영양조리과) ;
  • 김광수 (영남대학교 식품영양학과) ;
  • 최용희 (경북대학교 식품공학과) ;
  • 권중호 (경북대학교 식품공학과)
  • Published : 2005.12.01


Response surface methodology (RSM) was applied to microwave-assisted process (MAP) extraction for effective components from Mosla dianthera M. Microwave power (2,450 MHz, 0-160 W) and extraction time (1-5 min) were used as independent variables ($X_i$) for central composite design to yield 10 different extraction conditions. Optimum conditions were predicted for dependent variables of $75\%$ ethanol extracts, such as total yield($Y_1$), total phenolics($Y_2$), total flavonoids($Y_3$), and electron donation ability($Y_4$, EDA). Determination coefficients ($R^2$) of regression equations for dependent variables ranged from 0.8397 to 0.9801, and microwave power was observed to be more influential than extraction time in MAP. The maximal values of each dependent variable predicted at different extraction conditions of microwave power (W) and extraction time (min) were as follows; $6.76\%$ of total yield at 142.00 W and 4.36 min, 78.68 mg/g of total phenolics at 136.78 W and 4.40 min, 6.75 mg/g of total flavonoids at 159,69 W and 3.17 min, and $49.81\%$ of EDA at 133.87 W and 4.47 min, respectively. The superimposed contour maps for maximizing dependent variables illustrated the MAP conditions of 79 to 113 W in power and of 2.73 to 3.84 min in extraction time.


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