I haven't watched the video yet (at work), but I went on a tour of a coffee plantation in Costa Rica years ago. They said they shipped the beans to Germany to be decaffeinated, and the beans were...
I haven't watched the video yet (at work), but I went on a tour of a coffee plantation in Costa Rica years ago. They said they shipped the beans to Germany to be decaffeinated, and the beans were placed in boiling water, then steam was injected into the water to extract the caffeine.
To me, the most interesting thing was that the purpose of this process was not to major decaffeinated coffee - The purpose was to remove the caffeine so that it could be added to Coca-Cola. Decaffeinated coffee was just a byproduct that they realized they could sell.
I've only had time to watch the first of those videos, but it was fascinating, and I can't wait to watch the rest when I find the time. Thanks for sharing them! Edit: The Ethyl acetate video shows...
I've only had time to watch the first of those videos, but it was fascinating, and I can't wait to watch the rest when I find the time. Thanks for sharing them!
Edit: The Ethyl acetate video shows a very very similar processes to the liquid CO2, so it was far less interesting to watch immediately afterwards. But the Swiss water process was different enough to be interesting again, although the company being so strict to prevent James showing or talking about anything that could give away their trade secrets, while understandable, did make certain portions of the video a lot less interesting too. :/
I haven't watched the video yet (at work), but I went on a tour of a coffee plantation in Costa Rica years ago. They said they shipped the beans to Germany to be decaffeinated, and the beans were placed in boiling water, then steam was injected into the water to extract the caffeine.
To me, the most interesting thing was that the purpose of this process was not to major decaffeinated coffee - The purpose was to remove the caffeine so that it could be added to Coca-Cola. Decaffeinated coffee was just a byproduct that they realized they could sell.
I've only had time to watch the first of those videos, but it was fascinating, and I can't wait to watch the rest when I find the time. Thanks for sharing them!
Edit: The Ethyl acetate video shows a very very similar processes to the liquid CO2, so it was far less interesting to watch immediately afterwards. But the Swiss water process was different enough to be interesting again, although the company being so strict to prevent James showing or talking about anything that could give away their trade secrets, while understandable, did make certain portions of the video a lot less interesting too. :/