Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Optimization of Extraction Process for Total Polyphenols from Angelica Using Response Surface Methodology

반응표면분석법을 이용한 안젤리카로부터 폴리페놀 성분의 추출공정 최적화

  • Lee, Seung Bum (Department of Chemical Engineering, Dankook University) ;
  • Park, Bo Ra (Department of Chemical Engineering, Dankook University) ;
  • Hong, In Kwon (Department of Chemical Engineering, Dankook University)
  • Received : 2018.02.19
  • Accepted : 2018.03.17
  • Published : 2018.06.10
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Abstract

In this study, polyphenols were extracted from Angelica, which are known to have a high antioxidant content and the extraction process was optimized using the response surface methodology. The extraction yield and the total polyphenols were set as response values for the methodology. Quantitative factors in the extraction process were the extraction time, volume ratio of alcohol/ultrapure water, and extraction temperature. When considering both the main and interaction effects, the greatest influence factor on the extraction yield and total polyphenols was the extraction time. The optimum extraction time and temperature and alcohol/ultrapure water volume ratio for angelica were 2.8 h, $56.6^{\circ}C$ and 64.0 vol% respectively. The extraction yield and total polyphenols when using the conditions were calculated to be 24.6% and 8.76 mg GAE/g. respectively. Determination coefficients of regression equations for the extraction yield and total polyphenols were 81.4 and 75.4%, respectively. Also the overall satisfaction level was found to be 0.80 and the significance was confirmed within 5%.

본 연구에서는 항산화성분함량이 높다고 알려진 안젤리카를 이용하여 폴리페놀을 추출하고 반응표면분석법을 이용하여 추출과정을 최적화하였다. 반응표면분석법의 반응치로는 추출수율과 폴리페놀함량을 설정하였고, 추출공정의 계량인자로는 추출시간, 주정/초순수 부피비, 추출온도를 이용하였다. 추출수율과 폴리페놀함량 모두 계량인자의 주효과도와 교호효과도를 모두 고려하였을 때 가장 큰 영향을 미치는 인자는 추출시간이었다. 또한 반응표면분석 결과 안젤리카의 최적추출조건은 추출시간이 2.8 h, 주정/초순수 부피비 64.0 vol%, 추출온도 $56.6^{\circ}C$로 나타났다. 이 조건의 추출수율은 24.6%, 폴리페놀함량은 8.76 mg GAE/g으로 산출되었다. 추출수율과 폴리페놀함량에 대한 회귀방정식의 결정계수 $R^2$은 각각 81.4%와 75.4%이었으며, 종합 만족도는 D = 0.80, 유의성은 5% 이내의 수준에서 인정되었다.

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References

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