Standardization of allergenic extracts: a manufacturer's perspective.

  title={Standardization of allergenic extracts: a manufacturer's perspective.},
  author={T R Kordash and Steven L Williamson},
  journal={Allergy proceedings : the official journal of regional and state allergy societies},
  volume={14 3},
The current procedure for standardizing allergenic extracts utilizes quantitative skin testing techniques and in vitro techniques. A reference preparation is selected and tested using a sensitive intradermal skin test technique to determine allergy units. Subsequent batches of standardized extracts are compared to the reference preparation using in vitro… CONTINUE READING