I also think that his dosages are better to adapt. 15 gr of potent mimosa is a hell of a trip. And 40gr of caapi seems to me as a minimum, but of course, this depends a lot of the material you are working with.

In an alchemical manner, I would prefer to do this Tek with a food grade alcohol rather than with industrial solvents. Just my two cents, but the price for a bottle of schnaps is nothing compared to more advanced extraction methods and you will find yourself with an authentic product. No doubt about consuming vodka and alike. If you go on to distill your proper alcohol, even better.

Quite natural and straight forward recipe.