Production of Red Bean Starch Granule with Cellulase from Fusarium moniliforme

Fusarium moniliforme이 생산하는 셀룰라아제를 이용한 소두전분제조(小豆澱粉製造)

  • Cho, Yong-Kweon (Department of Food Science and Technology, College of Agriculture Seoul National University) ;
  • Park, Kwan-Hwa (Department of Food Science and Technology, College of Agriculture Seoul National University)
  • 조용권 (서울대학교 식품공학과) ;
  • 박관화 (서울대학교 식품공학과)
  • Published : 1986.03.30

Abstract

Two fractions of ${\beta}-glucanase$(CMCase), two fractions of filter paper degradation enzyme (FPase) and one ${\beta}-glucanase$ fraction were partially purified from Fusarium moniliforme and applied to recovery process of red bean starch. Red bean were incubated with the fractions of CMCase and FPase at $50^{\circ}C$ for 2 hours and the starch granules are separated. Maximal sedimentation rate of red bean starch granules was obtained with treatment of the mixture solution of 0.004 units/ml of FPase and 0.3 units/ml of CMCase. In the enzyme treated process percent recovery of red bean starch granule increased about 7% and suspended solid in waste water was reduced about 40%, compared with those of control. The results indicated that red bean cell treated with cellulase fractions absorbed water more rapidly and specific gravity of starch granule increased.

Fusarium moniliforme 액체배양으로부터 얻어진 조효소를 황산암모늄 분획침전, Sephadex G-25, Sephadex G-75, Sephadex G-150 및 DEAE-Sephadex A-50 컬럼크로마토그래피를 통하여 2개의 여지분해 효소와 2개의 ${\beta}-glucanase$를 분리하고 팥전분 제조에 이용하였다. 팥을 $50^{\circ}C$에서 2시간동안 섬유소 분해효소와 작용시킨 결과 효소처리구는 세포벽, 세포간극 그리고 전분입자간극이 일부 분해되었음을 알 수 있었다. 0.004 units/ml의 여지분해효소와 0.3 units/ml의 ${\beta}-glucanase$를 혼합 처리했을 때 팥전분 입자의 침강 속도가 최대가 되였고 0.004 units/ml의 여지분해효소와 0.2 units/ml의 ${\beta}-glucanase$를 혼합하여 처리했을 때 수율증가는 약 7%이었다. 증자후와 마쇄후의 폐수에서 혼탁물질은 효소처리구가 대조구보다 약 40% 정도 감소되었다.

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