The antigenic value and anticomplementary and hemolytic properties of the various lipoids of beef heart have been investigated. It was found that lecithin is the only substance of the primary ether extract of dried pulverized beef heart that had any antigenic value, and that the most important substance as regards antigenic value occurs in the secondary alcohol extract and is a diaminomonophosphatide. On this basis of solubilities new methods for making antigens have been described.

This content is only available via PDF.