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NTIS 바로가기Journal of nutrition and health, v.47 no.4, 2014년, pp.236 - 246
곽진숙 (주식회사 바이오푸드씨알오) , 박민영 (이화여자대학교 식품영양학과) , 권오란 (이화여자대학교 식품영양학과)
Purpose: Walnut is known to have unique favorable fatty acids, phytochemicals, and other nutrient profiles. As a result, there has been growing interest in evaluation of its health benefit related to cardiovascular disease (CVD). Although inverse associations of nut consumption and risk factors of c...
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핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
호두의 심혈관계 개선 효과를 연구한 결과는 어떠한가? | 이러한 호두의 심혈관계 건강 개선 효과는 함유 성분과 관련이 있는데, 지방산 조성에서 불포화지방산 비율이 높고, 다른 견과류와는 달리 다가불포화지방산, 특히 리놀레산 (linoleic acid), 알파리놀렌산 (α-linolenic acid)이 특이적으로 다량 함유되어 있는 것으로 알려져 있다. 38 다가불포화지방산 섭취는 심혈관계 건강 개선에 도움을 준다는 많은 연구 결과가 보고 되고 있는데, 고콜레스테롤혈증을 보이는 사람들을 대상으로 한 무작위배정 대조군 연구에서 에이코사펜타엔산 (eicos-apentaenoic acid, EPA)을 하루 1,800 mg씩 5년 동안 섭취 하였을 때 주요 심혈관계 관련 증상 발생이 19% 감소하였고, 39 n-3 불포화지방산 섭취는 관상동맥질환, 허혈성 뇌졸중 등심혈관계 질환의 발생률 및 사망률을 유의하게 감소시키는 것으로 메타 분석에서 보고되었다. 40-42 이밖에 호두는 혈관 건강에 도움을 주는 아르기닌 (arginine)이 풍부한 단백질 급원 이고, 항산화 물질인 비타민 E와 안토시아니딘 등 폴리페놀 류가 다량 함유되어 있다. 4 | |
견과류가 함유하고 있는 물질은? | 견과류 (nuts)는 불포화지방산, 비타민 E, 엽산 등 다양한 영양 성분4 과 시아니딘, 프로안토시아니딘, 미리세틴과 같은 플라보노이드를 포함한 피토케미컬 (phytochemicals)을 다량 함유4,5 한 건강 식품으로 알려져 있으며, 다양한 인체 연구 에서도 심혈관계 관련 위험 인자들을 개선시키는 것으로 보고 되고 있다. 미국에서 수행된 다수의 역학연구들에서는 견과류 섭취와 심혈관계 질환간에 역의 상관관계가 보고되었고, 성별, 연령, 대상자와 상관없이 일관적인 결과를 나타냈다. | |
심혈관계 질환은 어떤 요인에 의해 발생하는 질병인가? | 심혈관계 질환은 지단백 대사 이상, 산화 스트레스, 만성적인 염증 등 복합적인 요인에 의하여 발생하는 질병으로,1 특히 우리나라에서는 심장질환이 사망 원인의 2위를 차지하고 있어2 이에 대한 적극적인 관리가 필요하다. 심혈관계 질환은 조절할 수 없는 요인인 유전적 요인이 중요한 발병원인으로 알려져 있으나 식생활, 생활 습관 등 조절할 수 있는 인자 (modi- fiable factors)인 환경적 요인도 큰 영향을 미친다고 보고되고 있어,3 심혈관계 질환을 개선시키는 다양한 식이 인자에 대한 연구가 활발히 진행 중에 있다. |
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