Talk:Tincture of Indian hemp
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The page treats the official tincture of Indian hemp of British and American pharmacy: its strength in successive books, its use in mixtures and in chloroform-and-morphine preparations, and the warning about the name.
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Sources
- British Pharmacopoeia 1864, p. 346, and 1914, pp. 398, 401 (Wellcome scans).
- Pharmacopoeia of the United States, 5th revision, p. 303 (Wellcome scan).
- Squire, Companion, 12th ed. (1880), p. 81 (Wellcome scan).
- British Pharmaceutical Codex 1907, pp. 203, 248, 1176 (Wellcome scan).
- National Formulary 1888, pp. 87–88 (Wellcome scan).
- King's American Dispensatory (1898) and Dispensatory of the United States (1918), transcriptions on Henriette's Herbal Homepage.
Is it cannabis?
The tincture is made from the extract of Indian hemp (BP, USP 1870, BPC) or from Indian cannabis itself (later USP); see Extract of Indian hemp for the botanical identification.
Where the sources differ
- Strengths: BP 1864 one ounce of extract to a pint of spirit; Squire (1880) 1 in 20; BPC 1907 5 in 100; BP 1914 50 g in 1,000 ml; USP 1870 360 grains to a pint; King's (1898) 150 g of the drug to 1,000 cc; Dispensatory 1918 100 g of the drug to about 1,000 ml, assayed.