Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Antioxidant Activities in Enzymatic Hydrolysates of Pumpkin Powder (Cucurbita spp.)

호박분말 효소가수분해물의 항산화활성

  • Oh, Chang-Kyung (Dept. of Tourism Hotel Culinary Art, Jeju College of Technology) ;
  • Kim, Myeong-Cheol (Daesan Agricultural Cooperative, Inc. (Great Mountain)) ;
  • Oh, Myung-Cheol (Dept. of Tourism Hotel Culinary Art, Jeju College of Technology) ;
  • Yang, Tai-Suk (Dept. of Tourism Hotel Culinary Art, Jeju College of Technology) ;
  • Hyun, Jae-Suk (Dept. of Food Nutrition, Jeju College of Technology) ;
  • Kim, Soo-Hyun (Dept. of Food Science & Biotechnology, Jeju National University)
  • 오창경 (제주산업정보대학 관광호텔조리과) ;
  • 김명철 (대산영농조합법인) ;
  • 오명철 (제주산업정보대학 관광호텔조리과) ;
  • 양태석 (제주산업정보대학 관광호텔조리과) ;
  • 현재석 (제주산업정보대학 식품영양과) ;
  • 김수현 (제주대학교 식품생명공학과)
  • Published : 2010.02.27
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Abstract

This study was conducted to investigate total polyphenol contents and antioxidative effects of the enzymatic hydrolysates digested by several kinds of carbohydrases from the powder of ripened pumpkin (Cucurbita moschata), sweet pumpkin (C. maxima) and green pumpkin (C. moschata). The total polyphenol contents of all enzymatic hydrolysates from green pumpkin powder were higher than those of ripened and sweet pumpkins. DPPH radical scavenging activities of the enzymatic hydrolysates digested by AMG and Termamyl from green pumpkin were also very strong compared to ripened and sweet pumpkins. However, the most enzymatic hydrolysates of ripened and sweet pumpkin powders, except Viscozyme digestion, were higher superoxide anion scavenging activities than green pumpkin powder. Hydrogen peroxide scavenging activities in the enzymatic digests (not Ultroflo) of green pumpkin were potent compared to other pumpkin powders whereas hydroxyl radical scavenging activities were low at less than 14% in hydrolysates of all pumpkin species. Nitric oxide scavenging activities were very effective in Viscozyme digests of sweet and green pumpkin, and other enzymatic hydrolysates also showed higher activity than $\alpha$-tocopherol control (not BHT).

본 연구는 늙은호박, 단호박 및 애호박을 다양한 탄수화물 분해효소로 소화하여 조제한 효소가수분해물의 총 폴리페놀 함량과 항산화 활성을 측정하였다. 조회분, 조단백질 및 조섬유는 애호박이 높았으며, 탄수화물은 단호박이 높았고, 조지방은 서로 비슷하였다. 애호박 분말의 모든 효소처리군의 총 폴리페놀 함량은 늙은호박과 단호박의 가수분해물에 비하여 좀 더 높았다. 애호박 분말의 AMG와 Termamyl 소화로 조제된 효소가수분해물의 DPPH 유리기 소거활성 또한 늙은호박 및 단호박에 비하여 매우 높게 나타났다. 한편, Visozyme 처리 가수분해물을 제외한 늙은호박과 단호박의 대부분 가수분해물은 애호박보다 더 높은 superoxide anion 소거활성을 나타내었다. 애호박 가수분해물(Ultraflo 예외)의 hydrogen peroxide 소거활성은 다른 호박의 효소 분해물 보다 약간 높았으나, hydroxyl radical 소거활성은 모든 호박 품종에서 14% 미만으로 낮았다. Nitric oxide 소거활성은 단호박 및 애호박의 Viscozyme 분해물에서 매우 효과적이었으며, 다른 효소가수분해물의 경우에도 BHT보다는 낮았으나 $\alpha$-tocopherol보다 높은 활성을 나타내었다.

Keywords

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