A procedure to obtain gelatine royale of bees in a pure and good conservation form (Machine-translation by Google Translate, not legally binding)

摘要

Procedure to obtain bean rolale gelatin in pure form and of good conservation, characterized by the fact that after having extracted crude gelatin from the royale cells, the impurities are eliminated from them and subjected to an evaporation. (Machine-translation by Google Translate, not legally binding)