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Specificity of ${\beta}$-Mannanase from Trichoderma sp. for Amorphophallus konjac Glucomannan

Park, Gwi-Gun   (Department of Food and Bioengineering, Kyungwon UniversityUU0000122  );
  • 초록

    Five oligosaccharides were isolated from the hydrolysate of konjac (Amorphophallus konjac) glucomannan by a purified ${\beta}$ -mannanase from Trichoderma sp. These oligosaccharides were identified as M-M, G-M, M-G-M, M-G-M-M, and M-G-G-M; where G- and M- represent ${\beta}$ -1,4-D-glucopyranosidic and ${\beta}$ -1,4-D-mannopyranosidic linkages, respectively. The mode of action of the mannanase on the glucomannan is discussed on the basis of the structure of the above oligosaccharides.


  • 주제어

    konjac glucomannan .   Trichoderma sp.   .   ${\beta}$-mannanase.  

  • 참고문헌 (15)

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    13. Kusakabe I, Takahashi R, Murakami K, Maekawa A, Suzuki T. Preparation of crystalline ${\beta}$-1,4-mannooligosaccharides by a mannanase from copra mannan by a mannanase from Streptomyces. Agr. Biol. Chem. Tokyo 47: 2391-2395 (1983) 
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    15. Kusakabe I, Zama M, Park GG, Tubaki K, Murakami K. Preparation of mannobiose from white copra meal by a mannanase from Penicillium purpurogenum. Agr. Biol. Chem. Tokyo 51: 2825-2829 (1987) 

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  • Park, Gwi-Gun (23)

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