decoction

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de·coc·tion

(dē-kok'shŭn),
1. The process of boiling.
2. The pharmacopeial name for preparations made by boiling crude vegetable drugs, and then straining, in the proportion of 50 g of the drug to 1000 mL of water.
Synonym(s): apozem, apozema
[L. decoctio, fr. de-coquo, pp. -coctus, to boil down]

decoction

Alternative medicine
A herbal medicine preparation in which the substrate (e.g., cinnamon bark, ginger root, nuts, seeds or coarse leaves) is hard or ligneous, making its extraction difficult; decoctions require grinding or pulverisation and then boiling to extract the volatile oil or substance of interest. 

Chinese medicine
A preparation of traditional Chinese medicinal herbs in which the dried herbs are placed in water, boiled until the volume is markedly reduced, and the dregs strained off; it results in virtually complete extraction of the herb’s essence and medicinal potential, as well as rapid absorption and onset of action.

de·coc·tion

(dē-kok'shŭn)
1. The process of boiling.
2. The pharmacopeial name for preparations made by boiling crude vegetable drugs, and then straining, in the proportion of 50 g of the drug to 1000 mL of water.
Synonym(s): apozem, apozema.

de·coc·tion

(dē-kok'shŭn)
1. The process of boiling.
2. The pharmacopeial name for preparations made by boiling crude vegetable drugs, and then straining them, in the proportion of 50 g of the drug to 1000 mL of water.