There are plenty of crazy stories out there about chemicals added to freeze dried coffee. There is no reason for anything to be added to coffee when it is freeze dried; the entire point of freeze drying is that it preserves the product naturally. The process is: they make some coffee; they freeze it; they dry it.
In short, whatever chemicals are in freeze dried coffee are only those - and exactly the same as those - found in "fresh" coffee.
Decaf only contains about 2% of the caffeine normal coffee does. There will still be that same percent of caffeine. (Which is very little.)
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There are two main ways of producing instant coffee - freeze drying and spray drying. In freeze-drying, brewed coffee is frozen into granules, which are then placed in vacuum chamber, where the water sublimates (evaporates w/o liquifaction). In spray-drying, brewed coffee is sprayed in tower and dried by hot air in the matter of seconds. Freeze dried instant coffee advantage: higher quality product, better preserved flavor. Spray dried instant coffee advantages: faster and cheaper.
There was no information found that confirms pigs blood is an additive in instant coffee. Instant coffee is made from coffee beans that have been brewed and then either freeze dried or spray dried.
Enough to make about 100 cups of coffee. I think you'd puke before you ever ate that much of it.
Freeze-Dried Foods. Have you ever held one of those Vacumed Packed packages of Ground Coffee? it's like that but for everything. You can get Freeze-Dried Ice Cream at some Gift Shops. It is really wierd.
This category covers establishments primarily engaged in roasting coffee and in manufacturing coffee concentrates and extracts in powdered, liquid, or frozen form, including freeze-dried
Yes, you can freeze dried lima beans.
An advantage of freeze-dried foods is that they are lightweight.
Yes. Freeze dried worms are safe for guppies but lots of people have had problem with baby guppies because they are too small to eat the freeze dried bloodworms.
You can find more information about freeze dried food by researching with books. The library most likely has many books about freeze dried foods and how to do the process.