An anhydrous polymorphic form of trehalose.

  title={An anhydrous polymorphic form of trehalose.},
  author={Hiromasa Nagase and Tomohiro Endo and Haruhisa Ueda and Masayuki Nakagaki},
  journal={Carbohydrate research},
  volume={337 2},
An anhydrous polymorphic form of alpha,alpha-trehalose was prepared from trehalose dihydrate by two different drying methods: (1) heating under vacuum; and (2) heating in hot air. Preparation of this anhydrous form by vacuum heating showed good reproducibility. This form was characterized by X-ray powder diffraction analysis and differential scanning calorimetry. This anhydrous form was converted to an amorphous phase at 127 degrees C and was found to be hygroscopic. At 43% relative humidity at… CONTINUE READING

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