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Tinctura Pyrethri. U. S., Br. Tincture of Pyrethrum. Tr. Pyreth. [Tincture of Pellitory]

Botanical name:

Related entries: Pyrethrum

Teinture (alcoole) de Pyrethre (racine), Fr. Cod.; Bertramwurzeltinktur, G.

"Pyrethrum, in No. 50 powder, two hundred grammes [or 7 ounces av., 24 grains], to make one thousand mils [or 33 fluidounces, 6 1/2 fluidrachms]. Prepare a Tincture by Type Process P. using alcohol as the menstruum." U. S.

"Pyrethrum Root, in No. 40 powder, 200 grammes; Alcohol (70 per cent.), sufficient to produce, 1000 millilitres. Moisten the powder with one hundred and fifty millilitres of the Alcohol, and complete the percolation process." Br.

This tincture is a powerful local irritant, and is an ingredient in several well-known mouth and tooth washes. For its uses, which are purely external, see Pyrethrum.


The Dispensatory of the United States of America, 1918, was edited by Joseph P. Remington, Horatio C. Wood and others.



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