Applied Biological Chemistry

The Korean Society for Applied Biological Chemistry (한국응용생명화학회)
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Screening of Antimicrobial Activity from Castanea crenata Sieb. et Zucc. Leaves and Flowers. I. Chemical Compositions

밤나무 꽃과 잎의 화학성분 및 항균활성 검색 -제1보. 화학성분 조성-

  • Jo, Jae-Sun (Department of Food Science and Technology, Kyung Hee University) ;
  • Cho, Gyu-Seong (Department of Food Science and Technology, Han Kyong National University)
  • 조재선 (경희대학교 생명과학부 식품공학과) ;
  • 조규성 (한경대학교 이공학부 식품공학과,식품생물산업연구소)
  • Published : 2003.08.30
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Abstract

Chemical components relevant to the characteristic antimicrobial activities of the Korean chestnut (Castanea crenata S. et Z.) leaves and flowers were analyzed. The composition of free sugar were sucrose, maltose in the chestnut flowers and sucrose, glucose, fructose in the chestnut leaves. The contains of tannin were 0.16% in the chestnut flower and 1.98% in the chestnut leaves. In fatty acids case, the linoleic contents were significantly high in the chestnut leaves and flowers. The organic acids showed high composition to succnic and citric acid in the chestnut leaves. The ammo acid compositions showed high contents to aspatic acid, proline, glutamic acid, glycine and methionine in the chestnut leaves and flowers. The total amino acid showed significantly higher in the chestnut leaves than flowers. The major minerals contained in the chestnut leaves and flowers were K, Ca, Ng, Fe, Mn and Al. Ascorbic acids were detected highly in the chestnut leaves and flowers.

밤나무의 밤꽃과 밤잎의 추출물의 항균활성을 검색하기 위하여, 이들의 화학성분을 분석하였다. 유리당 함량은 밤꽃에는 sucrose와 maltose가 많은 반면, 밤잎에는 sucrose, glucose, fructose가 가장 많았다. 탄닌은 밤잎에 1.98%, 밤꽃은 0.16%로 밤잎이 12배정도 많았다. 지방산 조성은 밤꽂과 밤잎에 linoleic acid가 가장 많았다. 밤꽃의 불포화 지방산은 61.4%, 포화 지방산은 23.1% 였으며, 밤잎은 불포화 지방산이 76.4%, 포화 지방산이 17.1%로 나타나 밤잎이 불포화 지방산 함량이 높았다. 유기산 함량은 밤꽃에 malic acid, citric acid, succinic acid, oxalic acid의 많은 순이나, 밤잎은 succinic acid, citric acid, malic acid, oxalic acid 순으로 나타났다. 아미노산 조성은 밤꽃에는 aspartic acid와 proline이 가장 많았고, 밤잎은 aspartic acid가 가장 많았으며, 아미노산의 총함량은 밤꽃이 230.33mg/100g 인데 비하여 밤잎은 1,550.36mg/100g로 약 6.7배나 높았다. 무기질은 밤꽃과 밤잎 모두에 K가 가장 많았으며, 다음은 Ca, Mg, Fe, Mn, Al의 순으로 나타났다. 비타민은 밤꽃과 밤잎 중에ascorbic acid가 각각 5.2 mg/100 g 및 6.4 mg/100 g 함유하고 있었으며, 다른 비타민은 모두 trace로 나타났다.

Keywords

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