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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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In this study, we focused on natural water-soluble antioxidants from fresh water microalgae, Pediastrum duplex and Dactylococcopsis fascicularis from Jeju Island, Korea. They were prepared by enzymatic digestion using five carbohydrases (Viscozyme, Celluclast, AMG, Termamyl and Ultraflo) and five proteases (Protamex, Kojizyme, Neutrase, Flavourzyme and Alcalase), and the potential antioxidant activity of each was assessed. All enzymatic digests from P. duplex showed significant DPPH scavenging effects. Termamyl (60.6%) digest from P. duplex possessed the highest effects on hydrogen peroxide scavenging. Celluclast (58.1%) and Kojizyme digests (56.9%) from D. fascicularis possessed higher effects on superoxide anion radical scavenging. All enzymatic digests exhibited significant effects on both NO· scavenging and metal chelating. Lipid peroxidation was significantly in inhibited Viscozyme, Termamyl and Kojizyme digests from P. duplex and Ultraflo, Protamex, Kojizyme and Alcalase digests from D. fascicularis. These data suggest that enzymatic digests of the fresh water microalgae, P. duplex and D. fascicularis might be valuable sources of antioxidant which can be applied in food and pharmaceutical industry.
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