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NTIS 바로가기한국식품저장유통학회지 = Korean journal of food preservation, v.23 no.6, 2016년, pp.839 - 847
김석중 (동덕여자대학교 식품영양학과)
The changes of approximate composition, antioxidant activity and melatonin content in rapeseed were monitored during 10 days germination to choose the optimum sprouts with beneficial functionalities. The moisture content of seeds increased from 3.23% to 17.50% during 10 days germination period, whil...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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유채종자의 조성은 어떠한가? | 1)세계적으로 주요한 유지자원 중 하나인 유채(Brassica napus L.)종자에는 35~45%의 지방이 존재하며 다른 유지에 비해 포화지방산 함량은 낮고 단일불포화지방산과 다가불포화지방산 함량이 높고 특히 오메가-6 지방산인 리놀레산과 오메가-3 지방산인 α-리놀렌산의 비율이 2:1로 존재하여 건강에 좋은 조성을 가지고 있다(1,2). 탈지박도 단백질 함량이 30~45% 정도로 높아 가축사료로도 사용된다(3). | |
1979년 캐나에서 유채종자의 품종개량을 한 이유는 무엇인가? | 하지만 재래 유채종자에는 무기물 흡수를 방해하는 피트산(phytic acid), 갑상선기능 저하를 유발하는 글루코시놀레이트(glucosinolate)(8,9), 심장질환 유발물질인 에루스산 (erucic acid)(10)과 같은 영양저해인자들이 많아 식용유나 사료로 활용하는데 제약이 있었다. 이에 1979년 캐나다에서는 품종개량을 통해 영양저해인자를 낮춘 유채종자를 얻어 이로부터 글루코시놀레이트와 에루스산의 함량을 각각 2%와 30 μmol/g 이하로 낮춘 유채유인 캐놀라(canola)유를 개발하여 현재 식용유로서 이용하고 있다(11). | |
유채종자에 포함된 생리활성 물질에는 어떠한 것들이 있는가? | 탈지박도 단백질 함량이 30~45% 정도로 높아 가축사료로도 사용된다(3). 이외에도 유채종자에는 페놀화합물, 파이토스테롤, 토코페롤과 같은 다양한 생리활성 물질도 풍부하여 관상동맥 질환, 암, 당뇨병, 고혈압, 치매 등의 질환에 도움이 되며(4,5) 다른 유지종자에 비해 극성 페놀화합물이 10배 가량 풍부한데 주요 페놀화합물로는 sinapine, sinapoyl glucose, sinapic acid 등이 알려져 있다(6,7). |
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