Preserving organ meats and colostrum

I take several supplements from Heart and Soil, and Ancestral Supplements. They sell freeze dried organ meats, colostrum, and bone meal. The supplements are expensive and I’m also just curious to try making these things anyway.

Has anyone tried freeze drying organs? Colostrum? Or can anyone think of a reason not to? I see people are making milk powder, so why not colostrum?

These companies emphasis that their products are not defatted, which is important to me. I’ve seen some people saying to avoid fat when freeze drying. Is there a particular type of freeze dryer that is needed for fatty foods?

I’d also appreciate any opinions on other preservation methods. Any info is appreciated. Thanks.

I can see no reason why this cannot be done;

Here is an article regarding dehydrating colostrum:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1686489/

Anne Miller wrote:I can see no reason why this cannot be done;

Here is an article regarding dehydrating colostrum:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1686489/

Nice article. I wasn’t familiar with spray drying, so I did a little searching on it. They mentioned it was the most cost effective for large amounts, but it looks like the machines are roughly in the same price range as a freeze dryer. I think for personal use, freeze drying still looks like the winner all around in my opinion.

I do like the idea of having a low-tech solution too though. Here is an article on colostrum cheese, which seems to preserve the immunoglobulins:
https://www.scielo.br/j/bjft/a/W6TBD97D7GWZJFffRWKhF4v/?format=pdf&lang=en

Kevin David wrote:avoid fat when freeze drying.

I am not familiar with freeze drying but they may be talking about general food preservation techniques. Fat will outlast wet protein, and is used to cover and save protein in many preservation techniques, but dried protein will outlast fat which can go rancid.

It is also not very good at letting moisture flow thorough it, so can retard the drying process. Colostrum will dry and store similar to whole milk, and I am sure their are guides on how to dry that and if a freeze dryer will work.

I was wrong. The supplements are made from vacuum drying, not freeze drying. Vacuum drying seems to be a slower and more stable drying process from what I read. Maybe this helps when drying fats.

I remember reading that many mct oil powders have some filler in them because of the drying process. Pure mct oil powder is hard to find, and I wonder if it isn’t simply hiding some ingredient.

Heart and Soil just had some issue where bovine brain was drying in a way that threw off their measurements. The result was capsules that were only about half full. My mom talked to the company about it. They said the high fat content of brain was responsible for the problem.