Decoction

A decoction (Latin deco cross, Decoctum = boil ), decoction or decoction is an aqueous extract, the (possibly insect shells), is obtained by boiling solid drugs, such as wood, bark and roots.

He is prepared with hot or cold water and then brought to a boil. The initial temperature as well as the cooking time will depend on the raw materials used in each case. Depending on which ingredient is to be extracted, a shorter or longer duration must be stated: The cooking times are about 8 to 30 minutes or more, and a Fix overnight is possible. Some herbs are then filtered or strained. For decoction can be used as the infusion is generally a minor amount of herb ( about 1/3 less).

Decoctions are often used in traditional Chinese medicine and herbal medicine.