Is this a solvent extraction method? If so what solvent is used and if it is organic, do the manufacturers verify elimination of a certain percentage of residual solvent?


1 Answer 1


Caffeine is mostly extracted by utilizing very safe processes. Some of them, such as Swiss water, is not even really a chemical process.

Please see the following relevant discussions:

Also, you may want to see this answer to watch an animation of common Swiss water process:

  • Please don't answer using links only. In this case, it'd be better to elaborate a bit on each method or to close as a duplicate of one of them.
    – JJJ
    Jul 29, 2019 at 21:17
  • @JJJ, thanks for the comment. I was about to mark it as duplicate. Then, I realized that relevant answers are a bit scattered. Then, compiled previous answers as I couldn't refer many of them as duplicates. I'll pay more attention.
    – MTSan
    Jul 30, 2019 at 6:44

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