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Antioxidant Activity and Physicochemical Characteristics of Pimpinella brachycarpa Nakai with Treatments Methods

처리 방법에 따른 참나물의 이화학적 특성 및 항산화 활성

  • Chae, Hyun Suk (Dept. of Food and Nutrition, Chungbuk National University) ;
  • Lee, Sang Hoon (Dept. of Food Science and Technology, Chungbuk National University) ;
  • Jeong, Heon Sang (Dept. of Food Science and Technology, Chungbuk National University) ;
  • Kim, Woon Ju (Dept. of Food and Nutrition, Chungbuk National University)
  • Received : 2013.02.22
  • Accepted : 2013.03.06
  • Published : 2013.03.31

Abstract

This study was carried out to evaluate the physicochemical characteristics of Pimpinella brachycarpa Nakai with treatments methods. Pimpinella brachycarpa Nakai was prepared with washing, blanching, and steaming. Pimpinella brachycarpa Nakai samples were analysed proximate compositions, ${\beta}$-carotene, folic acid, minerals, polyphenol and flavonoid content, and antioxidant activity. Crude protein, lipid, ash and fiber content of raw Pimpinella brachycarpa Nakai were 24.43, 9.02, 17.74, and 33.50%, respectively. pH ranged from 6.49 in blanched Pimpinella brachycarpa Nakai to 5.99 in steamed Pimpinella brachycarpa Nakai. The Hunter L value was decreased with heat treatment and a- value showed that the green color was higher in steamed Pimpinella brachycarpa Nakai. ${\beta}$-Carotene content was increased to 18% in washed Pimpinella brachycarpa Nakai, 54% in blanched Pimpinella brachycarpa Nakai, and 10% in steamed Pimpinella brachycarpa Nakai. Folic acid content of washed, raw, steamed, and blanched Pimpinella brachycarpa Nakai were 848.87, 772.16, 271.54, and 260.74 mg/100 g, respectively. Major minerals were K, Ca, Na, and Mg, and K content had the highest value of 93.13~244.38 mg/100 g with treatment. Total polyphenol and flavonoid content, and antioxidant activity were higher in the order of blanched, steamed, washed, and raw Pimpinella brachycarpa Nakai.

본 연구에서는 참나물의 처리 조건에 따른 이화학적 특성 및 항산화 활성의 변화를 살펴보기 위하여 씻기, 데치기 및 찌기에 따른 특성 변화를 살펴보았다. 원료 참나물의 조단백질 함량은 24.43%, 조지방은 9.02%, 회분은 17.74% 그리고 식이섬유는 33.50%이었다. pH는 5.99~6.49 범위로 데친 참나물이 높았고, 찐 참나물이 5.99로 낮았다. 색의 L 값은 열처리에 따라 감소하였으며, 녹색을 나타내는 -a값은 데친 참나물이 크게 나타났다. ${\beta}$-Carotene은 원료에 비해 씻은 참나물은 18%, 데친 참나물은 54% 그리고 찐 참나물은 10% 증가하였다. 엽산은 씻은 참나물, 원료, 찐 참나물 및 데친 참나물이 각각 848.87, 772.16, 271.54 및 260.74 mg/100 g으로 씻은 참나물이 높게 나타났다. 주요 무기성분은 K, Ca, Na 및 Mg이었으며, K이 93.13~244.38 mg/100 g으로 가장 높았다. 총 polyphenol 및 flavonoid 함량, DPPH radical 소거능 모두 데친 참나물, 찐 참나물, 씻은 참나물, 원료 참나물 순으로 높았으며, 비가열 처리보다 가열 처리에서 항산화 성분 및 생리활성이 높게 나타났다.

Keywords

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