Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Production of Poly-3-Hydroxyalkanhoate by Haloarcular sp. EH-1

Haloarcular sp. EH-1으로부터 생분해성 Poly-3-Hydroxyalkanoate의 생산

  • Published : 1999.12.01
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Abstract

The extremely halophilic archaebacterium Haloarcular sp. EH-1 was isolated from solar salts. Haloarcular sp. EH-1 accumulated poly(3-hydroxyalkanoate) (PHA) as intracellular granules. PHA production in batch culture have been studied. The PHA was identified as poly(3-hydroxybutyric acid-co-3-hydroxyvaleric acid) (PHB/HV) of 3-hydroxybutyric acid and 3-hydroxyvaleric acid by the analysis of GC, IR and NMR. The melting temperature of PHB/HV was 152.46$^{\circ}C$, viscosity was 1.25 ㎗/g, and molecular weight was $1.44 X 10^5.$

천일염에서 분리된 고호염성균인 Haloarual sp. EH-1으로부터 PHA를 생산하여 PHA의 구조 및 성질 등을 검토하였다. 그 결과는 다음과 같다. PHA를 GC chromatogram, IR 및 300MHz H-NMR로 분석한 결과 Haloarcnly sp. EH-1으로부터 추출된 PHA는 3-hydroxybutyric acid와 3-hydroxyvaleric acid 와 3-hydroxyvaleric acid의 중합체인 PBB/HV로 추정되었으며, thermal property는 $152.46^{\circ}C.$ 점도는 1.25dl/g 그리고 분사량은 $1.44 X 10^5$이었다.

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