Korean Journal of Organic Agriculture (한국유기농업학회지)

Korean Association of Organic Agriculture (한국유기농업학회)
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Analysis of Functional Compounds on the Seeds of Sorghum (Sorghum bicolor Moench) and Their Sprouts

수수의 종자와 새싹채소의 기능성분 분석

  • 전현식 (경남과학기술대학교 농학.한약자원학부) ;
  • 전승호 (경남과학기술대학교 종자실용화연구소) ;
  • 조영손 (경남과학기술대학교 농학.한약자원학부)
  • Received : 2017.05.11
  • Accepted : 2017.05.22
  • Published : 2017.05.31
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Abstract

This study was done to examine antioxidant compounds, antioxidative activity and chemical properties in organically cultivated sorghum seed and their sprout, and to examine as a basic data for various application methods as an organic farming product of sorghum. The crude protein and mineral contents in the sprout had 2.5 and 1.6~9.87 folds more than sorghum seed, respectively. Total polyphenol content as antioxidant was more in the sprout showing $4,135mg\;GAE\;g^{-1}$ than the seed, whereas total flavonoid content was relatively higher in the seed showing $3.86mg\;GAE\;g^{-1}$. ABTS radical scavenging activity in the seed was observed by higher level as $15.78mg\;TE\;g^{-1}$. However, The sprouts with and without natural light were no significant difference. DPPH radical scavenging activity in the seed exhibited activity of 11 folds or more compared to that of the sprout. The highest activity was detected from the seeds and the sprouts in Donganmae. Although sorghum was no significant correlations among the varieties, it showed correlation with between the light-treated condition and antioxidation.

이 연구는 유기농 수수의 곡물과 새싹채소의 주요 기능성 성분인 항산화성분 및 항산화 활성, 일반성분을 알아봄으로써, 수수의 유기농 농산물로써의 다양한 활용방안에 대한 기초자료로 알아보고자 실시하였다. 수수의 유광 새싹채소는 종자에 비해 조단백질 함량이 2.5배 증가한 것으로 나타났으며, 무기성분에서도 새싹채소에서 1.6~9.87배의 높은 것으로 나타났다. 항산화 성분 중 총 polyphenol 함량은 유광 새싹채소에서 평균 $4,135mg\;GAE\;g^{-1}$으로 높았으나, flavonoid 함량은 종자에서 평균 $3.86mg\;GAE\;g^{-1}$으로 함유량이 높은 것으로 조사되었다. ABTS 라디칼 소거활성은 종자에서 평균 $15.78mg\;TE\;g^{-1}$으로 높게 나타났으며, 유광 새싹채소와 무광 새싹채소에서는 평균간 차이는 나타나지 않았다. DPPH 라디칼 소거활성에서는 종자에서 평균 $15.79mg\;TE\;g^{-1}$으로 새싹채소에 비해 11배 이상의 높은 활성이 나타났다. 특히, '동안메'는 황금찰, 남풍찰 및 소담찰에 비해 종자와 새싹채소에서 가장 높은 활성이 나타내었다. 항산화성분 및 항산화활성은 품종과는 유의성이 없었으나, 광처리와는 매우 높은 유의성을 보였다. 따라서 유기농 항산화 식품 및 천연 항산화제 공급원의 이용시 종자('동안메')를 이용하는 것이 좋은 것으로 생각된다. 그리고 수수 새싹채소의 영양학적인 유기농 식품으로써의 이용에 대한 추가연구가 이루어져야 할 것으로 사료된다.

Keywords

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