Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
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Antimicrobial and Antioxidant Activities of Various Solvent Extract from Different Parts of Loquat (Eriobotrya japonica, Lindl.)

비파 부위별 용매추출물의 항균 및 항산화 활성

  • 심기환 (경상대학교 응용화학식품공학부·농업생명과학연구원) ;
  • 배영일 (경상대학교 응용화학식품공학부·농업생명과학연구원) ;
  • 정영철 (진주전문대학 식품영양과)
  • Published : 2002.03.01
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Abstract

Antimicrobial and antioxidative activities of various solvent extracts from different parts of the loquat were investigated to process it as the functional food. The extraction yield showed higher in butanol fraction of 4.95% in peel and 4.42% in seed than others, but water fraction showed high extraction yield of 3.89% in leafs 23.6% in the seedless fruit and 21.1% in fresh, In the antimicrobial activity test, ethyl acetate fraction that leaf and fruit excluded seed inhibited higher 19, 15 mm and 16, 15 m in clear zone far Staphylococcus aureus and Escherichia coli in each. Ethyl acetate fraction that extracted from a series of polar and nonpolar solvent fractionation of methanol extracts showed better results in the hydrogen donating activity of 82% in leaf, 74% in seedless fruit, 68% in seed, 52% in peel and 30% in fresh.

비파 부위별 추출물의 항균성과 항산화 활성을 조사한 결과는 다음과 같다. 과피 및 종자의 추출수율은 부탄을 분획물에서 각각 4.95%와 4.42%로 높게 나타난 반면, 잎, 씨를 제거한 과실과 과육은 물분획물에서 각각 5.10%, 23.60% 및 21.10%로 높게 나타났다. 항균활성은 잎과 씨를 제거한 과실의 경우 clear zone이 각각 Staphylococcus aureus에서 19 mm, 15mm, Escherichia coli에서 15 mm, 16 mm로 에칠 아세테이트 분획물에서 항균활성이 높게 나타났다. 비파의 메탄을 추출물을 극성과 비극성 용매로 순차별로 분획한 수소공여 능은 잎에서 82%, 씨를 제거한 과실 74%, 종자 68%, 과피 52% 및 과육 30%로 에칠 아세테이트 분획물에서 가장 높았다.

Keywords

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