농업생명과학연구 (Journal of agriculture & life science)

  • 제43권3호
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  • Pages.45-54
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  • 2009
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  • 1598-5504(pISSN)
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  • 2383-8272(eISSN)
경상대학교 농업생명과학연구원 (Institute of Agriculture & Life Science, Gyeongsang National University)
권호 표지

선인장 추출물이 인체 장내미생물에 미치는 영향

Effects of Cactus Extracts on Human Intestinal Microflora

  • Ra, Bo-Hyun (Dept. of Food Science and Technology, Chungbuk National Univ.) ;
  • Lee, Woon-Jong (Dept. of Food Science and Technology, Chungbuk National Univ.) ;
  • Cho, Yun-Won (Dept. of Food Science and Technology, Chungbuk National Univ.) ;
  • Kim, Kwang-Yup (Dept. of Food Science and Technology, Chungbuk National Univ.)
  • 투고 : 2009.02.12
  • 심사 : 2009.06.20
  • 발행 : 2009.06.30

⟨ 이전 논문 다음 논문 ⟩

초록

본 연구에서는 인체 내 장내 세균 및 병원성 식중독 세균에 선인장 추출물이 미치는 영향과 항산화, 항고혈압 활성에 대하여 분석하였다. 항균활성은 96well-plate법과 paper disc법을 이용하여 실험하였으며 줄기 추출물의 경우 96well-plate 및 paper disc법의 결과, 장내유해균인 Eubacterium limosum 및 Clostridium perfringens, C. butyricum, C. difficile과 Staphylococcus aureus에 대하여 높은 억제율을 보였으나 Bacteroides fragilis, Bifidobacterium bifidum, Lactobacillus acidophilis, Streptococcus thermophilus의 경우 억제율을 나타내지 않았다. 열매 추출물의 경우 장내유해균 및 장내유익균에 Bacteroides fragilis, Bifidobacterium bifidum, Lactobacillus acidophilis, and Streptococcus thermophilis에 대하여 억제율을 나타내지 않았다. 또한 줄기 추출물의 경우 열 및 pH에서도 장내미생물에 대한 항균활성에 안정함을 나타내었다. 선인장 추출물의 폴리페놀과 플라보노이드 함량 및 DPPH 전자공여능을 측정한 결과 열처리하지 않은 열매와 줄기 추출물의 폴리페놀은 3.02 mg/g, 5.85 mg/g, 플라보노이드는 1.04 mg/g, 2.1 mg/g, 전자공여능은 87, 88%로 높은 수율을 나타내었다. 선인장 추출물의 항고혈압활성은 줄기 추출물의 경우 88.8% 열매 추출물의 경우 69.2%의 항고혈압활성을 보였으며 상기 결과를 종합할 때, 선인장 줄기추출물은 장내 유해균의 억제 및 유익균의 증진을 통한 장내 균총 개선을 위한 기능성 식품소재로 활용할 수 있다고 판단된다.

This study was designed to investigate the effect of cactus (Opuntia ficus-indica var. saboten) extracts on the intestinal bacteria, antioxidative activity and angiotensin -I-converting enzyme(ACE) inhibitory activity. The antimicrobial activities were measured using the 96well-plate method and disc plate method with concentration of 20mg of cactus extract. The stem extract of cactus was inhibitory against Eubacterium limosum, Clostridium perfringens, C. butyricum, C. difficile and Staphylococcus aureus, but was not inhibitory against Bacteroides fragilis, Bifidobacterium bifidum, Lactobacillus acidophilis, Streptococcus thermophilus. The fruit extract of cactus showed no inhibition against Bacteroides fragilis, Bifidobacterium bifidum, Lactobacillus acidophilis, and Streptococcus thermophilis. Their inhibitory activities were not reduced after heat and pH treatment. Antioxidative effects of cactus extracts showed high total polyphenol and flavonoid contents and high activity against free radical DPPH. The stem and fruit extract of cactus showed strong ACE inhibitory activities of 88.8% and 69.2%, respectively. In conclusion cactus (Opuntia ficus-indica var. saboten) extract might be utilized as a functional food material to control intestinal microflora.

키워드

과제정보

연구 과제 주관 기관 : 충북대학교

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