Optimization of pH for high molecular weight pullulan

  title={Optimization of pH for high molecular weight pullulan},
  author={Ki young Lee and Y. J. Yoo},
  journal={Biotechnology Letters},
Pullulan is a polysaccharide produced by Aureobasidium pullulans. In this study, the effect of pH on the molecular weight of pullulan was investigated. High concentration of pullulan was obtained when initial pH was 6. Pullulan having molecular weight of 500,000–600,000 was produced at initial pH of 3.0, while pullulan with molecular weight of 200,000–300,000 was produced at pH above 4.5. To obtain high molecular weight pullulan with high concentration, pH was initially controlled at pH 6… CONTINUE READING

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