Journal of agriculture & life science (농업생명과학연구)

Institute of Agriculture & Life Science, Gyeongsang National University (경상대학교 농업생명과학연구원)
권호 표지

Chemical Components of White and Red Lotus

목련과 홍련의 화학성분

  • Jeong, Chang-Ho (Div. of Applied Life Sciences(Insti. of Agric. & Life Sci), Gyeongsang National Univ.) ;
  • Son, Ki-Bong (Div. of Applied Life Sciences(Insti. of Agric. & Life Sci), Gyeongsang National Univ.) ;
  • Kang, Seon-Gyeong (Div. of Applied Life Sciences(Insti. of Agric. & Life Sci), Gyeongsang National Univ.) ;
  • Shim, Ki-Hwan (Div. of Applied Life Sciences(Insti. of Agric. & Life Sci), Gyeongsang National Univ.)
  • 정창호 (경상대학교 응용생명과학부?농업생명과학연구원) ;
  • 손기봉 (경상대학교 응용생명과학부?농업생명과학연구원) ;
  • 강선경 (경상대학교 응용생명과학부?농업생명과학연구원) ;
  • 심기환 (경상대학교 응용생명과학부?농업생명과학연구원)
  • Received : 2008.07.03
  • Accepted : 2009.02.20
  • Published : 2009.02.28

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Abstract

To get basic data for the utilization of white and red lotus as a raw material in functional food, chemical components of its leaf and root were investigated. Leaf had the highest level of nitrogen free extract and root had the highest level of moisture. The mineral analysis showed K(380.44~1,516.34 mg/100g), Ca(36.67~1,323.92 mg/100g), P(84.02~473.13 mg/100g) and Na(57.73~304.07 mg/100g). The rich free sugars in white and red lotus were glucose(161.12~765.15 mg/100g) and frutose (100.57~901.12 mg/100g). Total amino acid contents in leaf and root of white lotus and leaf and root of red lotus were 6,385.57, 1,162.93, 6,003.01 and 1,242.20 mg/100g, respectively. Although the free amino acid compositions of white and red lotus were different, their major free amino acids were glutamic acid, phenylalanine arginine and tyrosine. The ascorbic acid were 248.65 and 20.99 mg/100g in leaf and root of white lotus, 156.92 and 9.32 mg/100g in leaf and root of red lotus. The leaf of white lotus exhibited the highest total phenolic contents at 24.33 mg/g.

백련과 홍련을 새로운 기능성 식품의 재료로 활용하기 위하여 잎과 뿌리로 구분한 후 화학성분을 측정한 결과는 다음과 같다. 백련과 홍련 잎에서는 가용성 무질소물, 뿌리에서는 수분이 가장 많이 함유되어 있었다. 주요 무기성분으로는 K(380.44~1,516.34 mg/100g), Ca(36.67~1,323.92 mg/100g), P(84.02~473.13 mg/100g) 및 Na(57.73~304.07 mg/100g)이었으며, 가장 많이 함유되어 있는 유리당은 glucose 161.12~765.15 mg/100g) 및 fructose(100.57~901.12 mg/100g)였다. 백련과 홍련의 잎과 뿌리에 함유되어 있는 총아미노산 함량은 각각 6,385.57, 1,162.93, 6,003.01 및 1,242.20 mg/100g이었고, 백련과 홍련의 유리아미노산 조성은 각기 다른 것으로 나타났지만 주요 유리아미노산은 glutamic acid, phenylalanine arginine 및 tyrosine이었다. 백련 잎과 뿌리의 비타민 C함량은 각각 248.65 및 20.99 mg/100g이었으며, 홍련 잎과 뿌리의 비타민 C함량은 156.92 및 9.32 mg/100g이었다. 총 페놀화합물의 함량은 백련 잎에서 24.33 mg/g으로가장 높은 함량을 보였다.

Keywords

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