Talk:Extract of Indian hemp
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Page scope
The page treats the official extract of Indian hemp of British and American pharmacy, its purified form, and named makers' extracts as far as the sources name them. Squire's extract has its own page.
Data verification
Record source conflicts, dating problems and sources not used here. Keep narrative content on the article.
Discussion
Sources
- British Pharmacopoeia 1864, pp. 37, 222 (Wellcome scan).
- Pharmacopoeia of the United States, 5th revision (1873 printing), pp. 135, 344, 350 (Wellcome scan).
- Squire, Companion to the latest edition of the British Pharmacopoeia, 12th ed. (1880), pp. 80–81 (Wellcome scan).
- British Pharmaceutical Codex 1907, pp. 203, 273, 377 (Wellcome scan).
- King's American Dispensatory (1898) and the Dispensatory of the United States (1918), in the transcriptions on Henriette's Herbal Homepage.
- Ludlow, The Hasheesh Eater (1857), pp. 17–18 (Wellcome scan).
- Riboulet-Zemouli and Allué Creus (2024), PMC full text.
Is it cannabis?
Every source used gives the plant: Cannabis sativa Linn. (BP 1864), Cannabis sativa variety Indica (USP 1870), the pistillate tops of Cannabis sativa grown in India (BPC 1907). The 1918 Dispensatory warns against confusing this Indian hemp with Apocynum cannabinum; none of the sources here describes Apocynum.
Title, kind and plant part
- English pharmacopoeial name as title; Extractum Cannabis Indicae is the Latin name of BP 1864 and USP 1870. Extractum Cannabis is the later American name (Dispensatory 1918).
- Flower: the sources make the extract from the flowering tops.
Left out
- "Tilden's extract": Ludlow names "the various extracts prepared by Tilden & Co." and their Cannabis Indica extract, but none of these sources uses the name "Tilden's extract", and the Tilden catalogue of 1852 at the Wellcome Collection is not digitised. The article describes Tilden & Co.'s extract alongside the official one.