지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2012.1
- 수록면
- 83 - 88 (6page)
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초록· 키워드
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Indigo dye has been used in the textile dye industry for long period. Insoluble indigo are reduced to soluble leuco-indigo before dying textiles. A traditional process for solubilization of indigo using microbial reduction metabolism has been considered as environmentally benign method and as alternative to faster chemical reactions. Thus, fermentation liquor aged for 6 years with Polygonum tinctorium (indigo plant) extracts was used to isolate bacteria able to reduce insoluble indigo. Two bacterial isolates, A1 and G5, showed indigo-reducing activity, and were identified as Alkalibacterium sp. and Pseudomonas sp. respectively, with 99% sequence similarity by 16S rDNA sequence analyses. Based on the concentrations of leuco-indigo reduced from indigo, Alkalibacterium sp. A1 and Pseudomonas sp. G5 showed alkaliphilic and thermotolerant charactertistics, optimally functioning at pH 10.0 and $50^{\circ}C$. Isolation of alkaliphilic and thermotolerant bacterial strains, which can reduce insoluble indigo into leuco-indigo, from Korean traditional fermentation liquor could provide a biological tool to enhance efficiency in the traditional indigo dye by an environmentally friendly manner.
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