Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Analysis on the Components in Stem of the Lespedeza bicolor

싸리(Lespedeza bicolor) 줄기의 성분 분석

  • Lee, Yang-Suk (Dept. of Herbal Biotechnology, Daegu Haany University) ;
  • Joo, Eun-Yong (Dept. of Herbal Biotechnology, Daegu Haany University) ;
  • Kim, Nam-Woo (Dept. of Herbal Biotechnology, Daegu Haany University)
  • 이양숙 (대구한의대학교 한방생명자원학과) ;
  • 주은영 (대구한의대학교 한방생명자원학과) ;
  • 김남우 (대구한의대학교 한방생명자원학과)
  • Published : 2005.10.01
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Abstract

This study was carried out to analyze the components of the stem of bush clover, Lespedeza bicolor to obtain basic data on the studies of the physiological function and a possibility of utilizing L. bicolor. General components of L. bicolor were 82.35$\%$ carbohydrate, 13.38$\%$ moisture, 2.80$\%$ crude protein, 0.86$\%$ crude ash and 0.61$\%$ crude fat. The content of reducing sugar was 147.58 mg/100 g. The total amount of free sugar was 52.4 mg/100 g that was composed of 31.0 mg/100 g fructose, 16.7 mg/100 g glucose and 4.7 mg/100 g sucrose. In the results of mineral analysis, the content of Ca was the highest (472.97 mg/100 g) and followed by 206.70mg/100 g of K. The total amount of hydrolyzed amino acid was 148.95 mg/100 g that consist of 31.74 mg/100g of essential amino acid and 117.24 mg/100 g of non-essential amino acid. Total free amino acids were contained 106.39 mg/100 g that was composed of 8.41 mg/100 g essential amino acids and 97.98 mg/100 g the non-essential, and proline (62.92 mg/100 g) was the highest that account for 59.8$\%$ of total free amino acids. Total content of amino acid derivatives was 30.01 mg/100g and that of $\gamma$ -aminoisobutyric acid was the highest as 12.57 mg/100 g among them.

싸리의 생리적 기능과 이용가능성에 대한 연구의 일환으로 싸리 줄기의 일반성분과 환원당, 유리당, 무기질 그리고 아미노산의 함량 등에 대하여 분석하였다. 일반성분은 탄수화물이 82.35$\pm$ 0.17$\%$로 가장 높았으며, 수분 13.38$\pm$ 0.29$\%$, 조단백질 2.80$\pm$ 0.04$\%$, 조회분 0.86$\pm$ 0.02$\%$ 그리고 조지방이 0.61$\pm$0.02$\%$로 나타났다. 환원당의 함량은 147.58 mg/100 g이었고, 유리당의 총 함량은 52.4 mg/100g으로서 fruc-tose 31.0 mg/100 g, glucose 16.7 mg/100 g, sucrose 4.7mg/100 g으로 구성되어 있는 것으로 나타났다. 무기질 함량은 Ca가 472.97 mg/100 g으로 가장 높았고 그 다음으로 K가 205.70 mg/100 g 함유되 어 있었으며 , 그 외 Zn(25.59 mg/100g), Mg(10.28 mg/100 g), Mn(4.04 mg/100 g), Na(3.97mg/100g), Fe(2.21 mg/100g) 등이 검 출되었다. 구성아미노산은 필수아미노산 31.74 mg/100 g과 비필수아미노산 117.24 mg/100 g으로 총 148.95 mg/100 g이 함유되어 있었다. 유리아미노산은 필수아미노산이 8.41 mg/100 g, 비필수아미노산 97.98 mg/100 g으로 총 106.39 mg/100 g으로 측정되었으며, 이 중에 proline의 함량이 63.92 mg/100 g으로서 전체 유리아미노산의 59.8$\%$를 차지하는 것으로 분석되었다. 아미노산 유도체의 함량은 30.01 mg/100 g으로서 $\gamma$-aminoisobutyric acid의 함량이 12.57 mg/100 g으로 가장 높았고, $\beta$-aminoisobutyric acid가 6.72 mg/100 g, phos-phoserine이 6.12 mg/100 g 함유되어 있는 것으로 나타났다.

Keywords

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