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Decoction

1. The act or process of boiling anything in a watery fluid to extract its virtues. In decoction . . . It either purgeth at the top or settleth at the bottom. (Bacon)

2. An extract got from a body by boiling it in water. If the plant be boiled in water, the strained liquor is called the decoction of the plant. with comparison of content 1 : 1 (Arbuthnot) In pharmacy decoction is opposed to infusion, where there is merely steeping. (Latham)

Origin: f. Decoction, L. Decoctio.

 extracting process: the extraction of

Decoction(decoctum)refers to a preparation that is made by addding cold water to the required amount of drug.it is then heated to bioling and allowed to simmer for 5 to 10 minutes, after which it is strained and the strained product obtained is called a decoction.