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NTIS 바로가기한국식품영양과학회지 = Journal of the Korean Society of Food Science and Nutrition, v.44 no.2, 2015년, pp.208 - 215
김시내 (충북대학교 식품영양학과) , 송보람 (충북대학교 식품영양학과) , 주지형 (충북대학교 식품영양학과)
The aim of the study was to investigate the antioxidant activities of ethanol extract of perilla seed (PSE) and its inhibitory effects against major characteristics of cancer cells, such as unrestricted growth and activated metastasis in vitro. The total polyphenol and flavonoid levels of PSE were 2...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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활성산소의 생성 원인은 무엇인가? | 활성산소는 쌍을 이루지 못한 전자에 의하여 높은 반응성을 가지는 산소 원자나 분자로 정상적인 생리작용 중에 체내에서 발생되거나 방사능, 오염물질, 바이러스, 음주, 흡연, 스트레스 등과 같은 외부적인 요인에 의하여 생성된다(29). 활성산소는 체내 항산화 체계에 의하여 신속히 제거되어야 하는데 이러한 과정이 적절하게 일어나지 못하면 산화스트레스가 유발되어 암, 심혈관계 질환, 퇴행성 질환 등과 같은 만성질환의 원인이 되는 것으로 알려져 있다(29). | |
들깨란 무엇인가? | 들깨(Perilla frutescens Britton)는 통화식물목 꿀풀과에 속하는 일년생 초본식물로 동남아시아 지역을 중심으로 그 종실이나 잎 그리고 종실을 착유하여 얻은 기름 등이 널리 소비되고 있다(1,2). 특히 들깨 종실의 경우는 한국인의 식생활에서 중요한 위치를 차지하고 있는 식품 중 하나라고 할 수 있는데 제5기 국민건강영양조사 결과에 의하면 종실류 중에서는 유일하게 조섬유 섭취를 위한 주요 급원식품 30위 내에 포함된 바 있으며 그 순위는 들깻잎 또는 배추보다도 높은 것으로 보고되었다(3). | |
들깨 추출물의 총 폴리페놀 및 총 플라보노이드 함량이 연구마다 다르게 측정되는 이유는? | 3 mg/100 g)보다는 현저하게 높은 수준이었다. 이와 같은 총 폴리페놀 및 플라보노이드 함량의 차이는 각 연구마다 이용된 들깨의 종류, 재배 조건, 수확 시기, 추출 조건, 표준물질 종류 등이 다르기 때문인 것으로 생각된다. 한편 Lee 등(45)은 rosmarinic acid와 rosmarinic acid-3-O-glucoside가 들깨 메탄올 추출물에서 발견되는 주요 페놀 성분이고 이들성분의 함량은 약 1. |
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