Eggshell calcium
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I got a big bag of eggshells from my friend who works at a restaurant, and I want to process them into calcium powder.
Anyone have any experience doing this? Do I just dry them in the oven and grind them in a blender?
Thanks in advance. -
@Netabolism That's exactly the method yeah. Food processor is even better though. If you do use a blender or coffee grinder you have to pass it through several times just to make sure it's small enough not to damage the intestines.
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I boil them, dry them in the oven, and blend them into fine dust. I no longer add eggshell powder into my food ever since I started eating more dairy and bone broth, which are rich in calcium.
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I find it best to remove the inner membrane, but this is best done when the eggs has just been cracked, once it dries it is essentially impossible to remove. Then either boil them or throw them in the oven. I would not use a blender, I would go buy a cheap coffee grinder and use it exclusively for making the eggshell powder. Finally once ground very fine, pass the powder through a very fine stainless steel sieve to catch all the larger pieces which you can just throw away. Store them in a glass jar.
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@Evolutionarily Why is it always recommended that the membrane be removed?
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@ShiftGear One reason is longevity, the membrane is protein etc so you're mixing tissue with the calcium, won't last as long. Also purity. Also some people have issue with egg proteins.
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@ShiftGear - I am curious as well. I see that Amazon.com sells Natural Eggshell Membrane as a stand alone supplement.
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@ShiftGear The egg membrane is just collagen. I personally don't remove it. It doesn't affect the flavor or anything in my experience.
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I boil for half an hour, then lay them out overnight on a tray, then bake tray at 90 C for 30 minutes.
I use a nutribullet pro blender. It turns it into fairly fine white powder.
I don't remove the membrane because most of my eggshells have been out for a while and the membrane dries stuck. I do recommend rinsing inside of eggshell after cracking so you get a cleaner powder later.
