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동결 및 열풍건조 아로니아 추출물의 항산화 및 항염증 활성 KCI 등재

Antioxidant and Anti-inflammatory Activities in Freeze-dried and Hot Air-dried Aronia (Aronia melanocarpa) Extracts

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산업식품공학 (Food Engineering Progress)
한국산업식품공학회 (Korean Society for Food Engineering)
초록

This study examined the effects of drying methods of Aronia melanocarpa on contents of total polyphenols and flavonoids, antioxidant activity and anti-inflammatory activity. As a result, freeze-dried aronia extract (FDAE) significantly exhibited higher contents of total polyphenols and flavonoids (155.76 mg GAE/g and 105.70 mg QE/g) than hot-air dried aronia extract (HDAE) (134.93 mg GAE/g and 82.29 mg QE/g). Also, FDAE showed greater antioxidant activity than HDAE in both DPPH and ABTS. For anti-inflammatory activity, NO production from lipopolysaccharide activated RAW264.7 cell reduced at a dose-dependent manner in both FDAE and HDAE. However, reduction rate of NO production is higher in FDAE (62.7%) than in HDAE (33.5%). These results suggest that comparatively, freezedrying is a better method for preserving the antioxidant and anti-inflammatory activities and of aronia.

목차
Abstract
 서 론
 재료 및 방법
  실험재료
  추출물 제조
  총 폴리페놀 함량 측정
  총 플라보노이드 함량 측정
  DPPH radical 소거 활성 측정
  ABTS radical 소거 활성 측정
  세포주 배양
  MTT assay
  Nitric oxide (NO) 생성량 측정
  통계분석
 결과 및 고찰
  총 폴리페놀 및 총 플라보노이드 함량
  항산화 활성
  세포 생존율
  NO 생성 억제
 요 약
 References
저자
  • 박미혜(경북대학교 식품영양학과, ㈜JFNB) | Mi-Hye Park (Dept. of Food Science and Nutrition, Kyungpook National University, JFNB CO., Ltd.)
  • 김범식(연성대학교 식품영양과) | Bumsik Kim (Dept. of Food & Nutrition, Yeonsung University) Corresponding author