Monograph: |
Protamine Zinc Insulin
In order to prolong the duration of action of insulin,
preparations may be formulated as suspensions in 2
general ways. The first involves complexing insulin
with a protein from which it is slowly released; ex-
amples are protemine zinc insulin, which contains
an excess of protamine, and isophane insulin,
which contains equimolecular amounts of insulin
and protamine. The second method of prolonging
|