한국식품과학회지 (Korean Journal of Food Science and Technology)

한국식품과학회 (Korean Society of Food Science and Technology)
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매실(Prunus mume)의 항산화성

The Antioxidant Activity of Maesil (Prunus mume)

  • 발행 : 2004.06.30
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초록

매실의 항산화력을 알아보기 위해 매실과육과 매실즙 및 이들의 수용성 추출물을 시료로 하여 과산화물가, TBA가 및 전자공여능을 측정하였다. 과산화물가는 저장 4주 후 매실과즙 추출물의 경우 226.55 meq/kg으로 항산화제로 알려져 있는 BHT(217.38meq/kg) 및 ascorbic acid(223.32meq/kg)와 유사한 값을 나타내 이들과 유사한 항산화력을 갖는 것으로 분석되었다. TBA가를 통해 항산화력을 측정한 결과 합성산화제인 BHT가 45.35%로 가장 높은 항산화력을 보였고 매실과즙 추출물은 25.0%,로 29.94%를 나타낸 ascorbic acid와 유사한 수준의 값을 나타내었다. DPPH를 이용한 전자공여능을 측정한 결과 0.01% 매실과육 추출물은 34.84%, 0.01% 매실과즙 추출물 43.50%를 보였으며 0.02% 매실과육 추출물은 53.21%, 0.02% 매실과즙 추출물은 59.19%로 증가하는 양상을 나타내었으나 BHT(77.82%)와 ascorbic acid(96.69%)에 비해 낮은 활성을 나타내었다. 이상의 결과로 볼 때 매실과즙 추출물의 경우 BHT와 ascorbic acid와 유사한 항산화성을 나타내 천연 항산화제로의 이용 가능성이 있다고 생각되어진다.

Antioxidant artivity of Maesil (Prunus mume) was evaluated based on peroxide value (POV), thiobarbiturie acid reactive substances (TBARS value), and electron-donating ability using 1,1-diphenyl-2-pycryl hydrazil (DPPH) method. POVs for soybean oil with 0.02% antioxtdants were 276.93, 223.32, 217.38, 238.40, and 226.55 meq/kg in control, ascorbic acid, dibutyl hydroxytoluene (BHT), extract of dehydrated Maesil flesh (EDMF), and extract of dehydrated Maesil juice (EDMJ), respectively, Antioxidant activities for TBA values were 29.94. 45.35 13.81, and 25.00% In ascorbic acid, BHT, EDMF, and EDMJ, respectively. Electron-donating abilities by DPPH were 96.69, 77.82, 34.84, and 43.50% in ascorbic acid, BHT, EDMF, and EDMJ, respectively, EDAs by DPPH with 0.02% EDMF and EDMJ were 53.21 and 59.19%, respectively.

키워드

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