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Chemical Components in Different Parts of Erigeron annuus

개망초(Erigeron annuus)의 부위별 화학성분

  • Jeong, Chang-Ho (Division of Applied Life Sciences, Graduate School, Institute of Agriculture & Life Sciences, Gyeongsang Notional University) ;
  • Nam, Eun-Kyeong (Division of Applied Life Sciences, Graduate School, Institute of Agriculture & Life Sciences, Gyeongsang Notional University) ;
  • Shim, Ki-Hwan (Division of Applied Life Sciences, Graduate School, Institute of Agriculture & Life Sciences, Gyeongsang Notional University)
  • 정창호 (경상대학교 대학원 응용생명과학부 농업생명과학연구원) ;
  • 남은경 (경상대학교 대학원 응용생명과학부 농업생명과학연구원) ;
  • 심기환 (경상대학교 대학원 응용생명과학부 농업생명과학연구원)
  • Published : 2005.07.01

Abstract

The chemical components of different parts of Erigeron annuus were examined in order to use as a new functional food material. Nitrogen free extract contents of flowers, leaves, stems and roots were 53.15, 55.79, 36.71 and $42.61\%$, respectively. The contents of crude fiber in the stems and roots were similar, while those in leaves were lower than those in the flowers. Mineral components of Erigeron annuus were rich in Na $(19.55\~33.78\;mg/100\;g),\;K (49.95\~89.80\;mg/100\;g)\;and\;Ca(25.39\~116.40\;mg/100\;g)$. Among the portions of Erigeron annuus Ca contents was slightly higher level in tile loaves than those of flowers, stems and roots. The major free sugars of Erigeron annuus were sucrose $(0.12\~1.37\%),\;glucose\;(0.68\~1.08\%)\;and\;fructose\;(0.56\~1.66\%)$. The contents of total amino acid in Erigeron annuus were 2,509.74 mg/100 g in the flowers,2,630.95 mg/100 g in the leaves, 889.54 mg/100 g in the stems, and 1,201.41 mg/100 g in leaves. Abundant amino acids in the flowers and leaves were glutamic acid, tyrosine and proline. And abundant amino acids of stems were lysine, glutamic acid and aspartic acid, and its root were lysine, glutamic acid and proline, Organic acid components of Erigeron annuus were succinic acid $(4.78\~19.72\;mg/100\;g),\;tartaric\;acid\;(3.90\~6.91\;mg/100\;g)\;and\;citric\;acid\;(1.79\~6.60\;mg/100\;g)$. Nine fatty acids in Erigeron annuus were identified and the major fatty acids were myristic acid $(18.05\~20.18\%),\;oleic\;acid\;(18.50\~32.91\%)\;and\;linoleic\;acid\;(18.02\~29.87\%)$. Total flavonoid and phenol contents were higher in leaf and flower extracts than any other extracts.

개망초를 새로운 기능성 식품의 재료로 사용하기 위하여 각 부위별 화학성분을 조사하였다. 개망초의 꽃, 잎, 줄기 및 뿌리의 가용성 무질소물의 함량은 각각 53.15, 55.79, 36.71 및 $42.61\%$로 각각 나타났다. 조섬유의 함량은 줄기와 뿌리에서 비슷하게 나타났으며, 보다 잎에서 낮은 함량을 나타내었다. 개망초에 함유되어 있는 주요 무기성분으로는 $Na(19.55\~33.78\;mg/100\;g),\;K(49.95\~$89.80\;mg/100\;g)$$Ca(25.39\~116.40\;mg/100\;g)$으로 나타났으며, 개망초의 각 부위별 Ca의 함량은 꽃, 줄기 및 뿌리보다 잎에서 가장 높은 함량을 나타내었다. 개망초에 함유되어 있는 주요 유리당으로는 $sucrose(0.12\~l.37\%),\;glucose(0.68\~1.08\%$)$fructose(0.56\~1.66\%)$로 각각 나타났다. 개망초의 부위별 총 아미노산 함량은 꽃 2,509.74 mg/100 g, 잎 2,630.95 mg/100 g, 줄기 889.54 mg/100 g 및 뿌리 1,201.41 mg/100 g으로 나타났으며, 꽃과 잎에 가장 많이 함유되어 있는 주요 아미노산으로는 glutamic acid, tyrosine 및 proline로 나타났다. 또한 줄기 에서는 lysine, glutamic acid, aspartic acid로 나타났고, 뿌리 에서는 lysine glutamic acid 및 proline로 나타났다. 개망초에 함유되어 있는 주요 유기산으로는 succinic $acid(4.78\~19.72\;mg/100\;g)$, tartaric $acid(3.90\~6.91\;mg/100\;g)$ 및 citric $acid(1.79\~6.60\;mg/100\;g)$로 나타났다. 개망초에는 총 9종의 지방산이 함유되어 있었고,주요 지방산으로는 myristic acid$(18.05\~20.18\%)$, oleic acid(18.50$\~$32.91$\%$) 및 linoleic acid$(18.02\~29.87\%)$로 나타났으며, 총 플라보노이드와 총 페놀성분은 꽃과 잎에서 다른 부위보다 높게 나타났다.

Keywords

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