Spray-dried powders as nasal absorption enhancers of cyanocobalamin.

  title={Spray-dried powders as nasal absorption enhancers of cyanocobalamin.},
  author={Alfredo Garc{\'i}a-Arieta and Santiago Torrado-Santiago and Luis Goya and Juan Jos{\'e} Torrado},
  journal={Biological & pharmaceutical bulletin},
  volume={24 12},
The aim of this work is to describe and characterize a new spray-drying procedure for the production of nasal powders as an alternative to the conventional freeze-drying method. Cyanocobalamin was chosen as the active ingredient and loaded into five different nonsoluble vehicles with high water absorption ability. Then these hydrated particles were… CONTINUE READING