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Potential of proteolytic enzyme treatment for production of Korean red ginseng extract

홍삼 추출물의 제조에서 단백질 분해효소의 활용

  • Kim, Dong Chung (Department of Chemical Engineering, Chungwoon University) ;
  • Lee, Tae Jung (Department of Chemical Engineering, Chungwoon University) ;
  • In, Man-Jin (Department of Chemical Engineering, Chungwoon University)
  • Received : 2019.09.10
  • Accepted : 2019.10.29
  • Published : 2019.12.31

Abstract

In this study, proteolytic enzymatic treatment conditions for Korean red ginseng were examined to increase the extraction yield. Commercially available proteases were screened to obtain high protein and carbohydrate yield. The optimal dosage and reaction time for Alcalase, the chosen protease, were found to be 2.0% (w/w) and 1.5 h, respectively. Treatment with optimal conditions of Alcalase increased solid yield, total phenolic content and gensenosides content by 57.6, 81.8, and 33.8%, respectively, over levels in non-treated Korean red ginseng. Antioxidative activities evaluated by free radical scavenging activity, cation radical scavenging activity and reducing power were exactly similar between Alcalase-treated and non-treated extracts.

본 연구에서는 홍삼 추출물 제조과정에서 추출 수율을 향상시킬 수 있는 효소를 선별하고 최적의 반응조건을 조사하였다. 상업용 단백질 분해효소 중 Alcalase가 단백질과 탄수화물 수율 향상에 효과적이었으며, 효소 사용량은 홍삼 중량의 2%, 반응 시간은 1.5시간이 적당하였다. 최적의 반응조건으로 홍삼을 Alcalase로 처리한 결과 대조구보다 고형분 수율은 45.1%에서 71.1%로 50% 이상, 총페놀 함량은 0.44%에서 0.80%로 80% 이상 증가하였으며, 항산화 활성은 대조군과 매우 유사하였다. 또한 진세노사이드 함량은 대조구의 1.48 mg/g에서 1.98 mg/g으로 30% 이상 증가하였다.

Keywords

References

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