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The Formula for Making Insulin

Hey Prepper Nation,

One of the questions I am asked most often is how to deal with Type 1 (Insulin-Dependent) diabetics in a collapse situation.  I have been informed that Insulin was prepared in Singapore during WWII, in an effort to produce medicine for those in the Jewish community that were denied access to Insulin.  I have been unable to find the specific process used there, but (searching far and wide) I have come upon a post by SWZ-Ben, moderator at the excellent forum.  The link to his post is:

In this post, Ben published the original lecture by Frederick Banting who, along with Charles Best, produced Insulin for the first time in 1922.  The lecture is from 1925.  Here it is:

"The present method of preparation is as follows. The beef or pork pancreas is finely minced in a larger grinder and the minced material is then treated with 5 c.c. of concentrated sulphuric acid, appropriately diluted, per pound of glands. The mixture is stirred for a period of three or four hours and 95% alcohol is added until the concentration of alcohol is 60% to 70%. Two extractions of the glands are made. The solid material is then partially removed by centrifuging the mixture and the solution is further clarified by filtering through paper. The filtrate is practically neutralized with NaOH. The clear filtrate is concentrated in vacuo to about 1/15 of its original volume.

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