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Process Optimization of Ginseng Berry Extract Using Mixed Solvent and its Ginsenoside Analysis

혼합용매를 이용한 진생베리 추출물 최적 공정 개발 및 추출물의 진세노사이드 분석

  • Ha, Yoo-jin (Division of Food and Nutrition, Chungnam National University) ;
  • Kim, Mee-Ree (Division of Food and Nutrition, Chungnam National University) ;
  • Yoo, Sun-Kyun (Division of Food and Biotechnology, Joongbu University)
  • 하유진 (충남대학교 식품영양학과) ;
  • 김미리 (충남대학교 식품영양학과) ;
  • 유선균 (중부대학교 식품생명과학과)
  • Received : 2015.08.17
  • Accepted : 2015.11.06
  • Published : 2015.11.30

Abstract

Ginsenosides in ginseng berry has been known as functional materials showing physiological effect to the human. Specially, ginseng berry contains plenty of ginsenoside Re, but the study of extraction processes were not enough performed. Accordingly, the purpose of this study was to establish the optimized extraction process for obtaining ginsenoside Re from ginseng berry. The extraction process of ginsenosides was performed in 250 mL extraction flask containing 150 solvent and 10 g of dried ginseng berry. The extracted ginsenoside Re, Rg1 and Rd and total crude ginsenosides from ginseng berry were evaluated by TLC according to the treated conditions (the ratio of alcohol to water, extraction temperature, extraction period, and extraction times). Optimized conditions for extraction was 70% to 30% of the ratio of alcohol to water, $80^{\circ}C$ of extraction temperature, 4 h of extraction period, and 2 times of extraction frequency. The amount of total crude ginsenosides of the extract obtained from the optimized process was 88.6 mg/g based on dried ginseng berry. The composition of ginsenosides from the extracted was 5.5% of Rb1, 5.2% of Rc, 14.3% of Rd, 51.5% of Re, 8.1% of Rf, and 15.7% of Rg1. A protopanaxtriol ginsenosides of whole ginsenosides extracted was about 80%.

진생베리에 포함이 되어 있는 진세노사이드들은 인체에 유용한 다양한 생리기능물질을 포함한 것으로 알려졌다. 특히 진생베리는 진세노사이드 Re가 다량으로 함유된 것으로 알려 졌으나 추출공정은 비교적 연구가 이루어지지 않았기 때문에 본 연구에서는 진생베리로부터 복합 용매인 주정과 정제수를 이용하여 최적 공정 조건 확립을 수행하였다. 진생베리 추출물 제조를 위해서 건조 진생베리 분말 10 g를 부직포에 담아 250 mL 추출용 둥근 플라스크에 넣고 150 mL 용매를 넣어 내용물이 완전히 잠기게 한 후에 플라스크를 냉각 순환 수조에 연결을 하여 환류 추출하였다. 추출 과정은 주정과 정제수의 혼합비율, 복합용매의 추출 온도, 추출 시간 및 추출 회수에 따라 수행하였다. 추출 후 진세노사이드 Re, Rg1, Rd 및 조 진세노사이드의 함량 및 수율을 비교하였다. 최적 추출조건으로 주정 및 정제수 의 비율은 70% 대 30%, 추출온도는 $80^{\circ}C$, 추출 시간은 4시간, 추출 횟수는 2회로 결정되었다. 최적 추출 공정 조건에서 총 진세노사이드 함량은 건조 진생베리 g 당 약 88.6 mg이었다. 주요 진세노사이드의 분포는 Rb1이 5.3%, Rc가 5.2%, Rd가 14.3%, Re가 51.5%, Rf가 8.1%, Rg1이 15.7%이었다. 전체 추출 진세노사이드 중에 protopanaxatriol 계통의 진세노사이드가 약 80%를 차지하였다.

Keywords

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