Ulmaceae. Ulmi Cortex-Elm Bark
Description
This section is from the book "Materia Medica And Therapeutics: An Introduction to the National Treatment of Disease", by John Mitchell Bruce. Also available from Amazon: The pharmacology and therapeutics of the materia medica.
Ulmaceae. Ulmi Cortex-Elm Bark
The dried inner bark of Ulmus campestris. Broad-leaved Elm. From trees indigenous to and cultivated in Great Britain.
Characters.-A tough brownish-yellow bark, about half a line thick, without smell; taste mucilaginous, slightly bitter and astringent.
Composition.-Elm bark contains about 3 per cent. of tannic acid, 20 per cent. of mucilage, and a peculiar brown body, ulmin, insoluble in water.
Incompatibles.-Persalts of iron, salts of lead and silver, and gelatine.
Preparation.
Decoctum Ulmi.-1 in 8. Dose, 2 to 4 fl.oz.
Action And Uses
Elm bark has a similar action to oak bark and tannic acid, but is demulcent as well as astringent.
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