Techniques: Infusion

January 1st, 2008

Infusion is one of the most frequent operations required in making up medicines, its object being to extract the aromatic and volatile principles of substances, that would be lost by decoction or digestion; and to extract the soluble from the insoluble parts of bodies. Infusions such as calumba and quassia may be made with cold water, in which case they are weaker, but more pleasant. The general method employed consists in slicing, bruising or rasping the ingredients first, then placing them in a common jug (which should be as globular as possible), and pouring boiling water over them. Cover the jug with a cloth folded six or eight times, but if there be a lid to the jug so much the better. When the infusion has stood the time directed, hold a piece of very coarse linen over the spout, and pour the liquid through it into another jug.

Source: Enquire Within Upon Everything.


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