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탈지 겨자박으로 부터 유리페놀산, 에스터형 및 불용성페놀산을 추출하여 식용대두유 기질에서 항산화 효과를 0.02%(w/w)의 BHA, BHT의 항산화 효과를 비교하였는바 다음과 같은 결과를 얻었다. 각 기질과 대조구를 에서 25일간 저장하면서 매5일간 과산화물가, TBA가를 측정하여 항산화 효과를 추정하였다. 1. BHA, BHT와 유리페놀산, 에스터형 및 불용성페놀산 추출물을 첨가한 시험구와 대조구의 25일 저장 후 과산화물가는 각각 31.9, 13.2, 16.6, 11.2, 35, 91이었다. 한편 같은 조건하에서 각 항산화성 물질의 TBA가는 0.24, 0.16, 0.19, 0.17, 0.35이었다. 이로 미루어 볼 때 페놀산 추출물들은 식용대두유 기질에서 우수한 항산화 효과를 나타내었다. 2. 겨자의 총 페놀함량은 유리페놀산 및 불용성페놀산의 추출물이 각각 13.2mg/10ml. 340.5mg/10ml, 2.1mg/10ml였다. 3. 분리 동정된 페놀산은 catechol, methylcatechol, salicylic acid, cinnamic acid, pyrogallol, p-hydroxybenzoic acid, syringic acid, caffeic acid, sinapic acid였다.
In this study, antioxidative effectiveness of BHA, BHT of 0.02% was compared to that of separated phenolic acid, ester form and insoluble phenolic acid were extracted from 50g mustard seed removed fat antioxidative effectiveness was assumed, measuring Peroxide value, TBA value for 5 days, storaging respective substrate and contrast tube at for 25 days. 1. Laboratory tube was added by BHA, BHT separated phenolic acid ester form and insoluble phenolic acid extract and peroxide value of contrast tube after 25 days storage were 31.9, 13.2, 16.6, 11.2, 35.91. On the other hand at the same condition TBA of each antioxidativity matter were 0.24, 0.16, 0.19, 0.17, 027, 0.35 as a result remarkably appeared antioxidative effectiveness in meal soybean oil substrate. 2. Total phenolic contents of free phenolic acid and insoluble phenolic acid in mustard were 13.2mg/10ml, 340.5mg/10ml, 2.1mg/10ml. 3. Phenolic acid separated and identificated were catechol, methylcatechol, salicylic acid, cinnamic acid, p-hydroxybenzoic acid, syringic acid, caffeic acid, sinapic acid.
