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Thread: decaffeinating post dried green beans at home?

  1. #1
    Join Date
    Dec 2008

    decaffeinating post dried green beans at home?

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    is this possible without ruining the beans? For decaf I imagine the beans are picked, pulped, washed, soaked to remove the buzzy stuff, then dried..
    Can the beans that have not been processed for decaf have the caffeine removed after the drying process?
    Has anyone attempted this? :-?
    Why, you ask?....well, my wife is pregnant and she loves coffee...but I would like to be able to offer more than just the Mocha Java Decaf (even though it is a great coffee)

    any advice?

  2. #2
    Senior Member Dennis's Avatar
    Join Date
    Feb 2007

    Re: decaffeinating post dried green beans at home?

    Hmm. Ive tried making chocolate from scratch and instant coffee too, but I think even I would draw the line at attempting to decaf coffee beans.

    Im unsure as to the exact point of processing when the beans are ready for decaffeinating (shame on me), and although the various processes sound simple, I really dont think they are.

    For example, washing beans in warm water for 8 hours with the water passing through activated charcoal to capture the caffeine molecules, then discarding that lot of beans but using the water to flavour charge the next batch seems like a lot of work, and would require lots of equipment. Then at the end of the process, youd need to know for sure how much caffeine youd managed to extract which means even more equipment.

    Unless there are stated medical reasons, perhaps for variety, your wife may enjoy a blend of the mocha java with perhaps an SO? I would expect that 10-20% of an SO would make a fair bit of difference to taste.

  3. #3
    Senior Member GregWormald's Avatar
    Join Date
    Jul 2007

    Re: decaffeinating post dried green beans at home?

    Behmor Brazen - $249 - Free Freight
    I understand that caffeine extracts more slowly than flavour.
    In this case the closer you get to ristretto, the lower the caffeine content.


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