Dictionary of the active principles of plants: alkaloids : bitter principles; glucosides; their sources, nature, and chemical characteristics / with tabular summary, classification of reactions, and full botanical and general indexes. By Charles E. Sohn.
- Sohn, Charles E.
- Date:
- 1894
Licence: Public Domain Mark
Credit: Dictionary of the active principles of plants: alkaloids : bitter principles; glucosides; their sources, nature, and chemical characteristics / with tabular summary, classification of reactions, and full botanical and general indexes. By Charles E. Sohn. Source: Wellcome Collection.
Provider: This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.
167/210 page 155
![Gold Chloride (9).] frequently occurs on standing, or even immediately, other substances also cause reduction. CLASSIFICATION OF REACTIONS, ETC. Glucosides and I. Alkaloids giving pp. or causing re- duction. (Pp. understood unless otherwise mentioned.) Acolyctine. Aconine, y. and re- duction. Aconitine, y. (M.P. 35°). Akazgine. Apomorphine, purple. Arecoline, y., oily, df. sol. Aricine, y., amor- phous. Aspidosamine. Atherospermine, y. Atropine, y. Bebeerine, light y. Benzoyl-ecgonine, sol. hot alcohol. Berberine, orange. Brucine, pp. sol. HC1; dirty y., amorphous. Calcitrapine, y. Carpaine, limit 25,000. Chelerythrine, dark r. (M.P. 233°). Chelidonine, dark r. Chrysanthemine, y. crys. ; sol. hot. Ciuchonidine, y. (M.P. about 100°). Cinchonine, limit 200,000. Cocaine, light y. fern- like crys. Cocamine. Codeine, bn. (not 1 in 1,000). Colchiceine. Colchicine. Colloturine, y., floccu- lent. Concusconine, dirty y. and reduction. Conessine. Coniine. Conquinamine, y. to purple. Corydaline, y. crys. Cytisine. Damascenine. Daturine, y. Delphinine, y. Ditamine, sol. hot ; crys. cold. Ecboline. Ecgonine, y., amor- phous. Emetine, y., amor- phous. Ergotine. Ergotinine. Erythrine. [Eupatorine. colora- tion only.] Geissosperwine, deep red colour. Gelsemine, y., sol. hot. Hydrastine, reddish y. Hyoscine. Hyoscyamine, whitish- yellow. Hypoquebrachine, y., then violet. Laurotetanine. Lobeliine, insol. HC1. Lupanine, y.,sol. warm, crys. cold. Mandtagorine, sol. hot (M.P. 153°-155°.) Meconidine, dirty y., amorphous. Morphine, at once, 1 in 5.000. Narceine,! in 5,000. [Narci)tine,only strong solutions.] Nicotine, cloud 1 in 10,000. Oleandrine, Papaverine, dirty y., distinct at 5,000. [Paytamine, reduc- tion.] [Paytine, reduction.] Pelletierine, pp. ; re- duction on warming. Physostigmine, pp. and reduction, blue col- oration. Picraconitine, very in- sol. Piliganine, y., altered by light. Pilocarpine. Piturine, pale red; 1 in 100. Porphyrine. Protoveratrine. Pseudaconitine. Pseudopelletierine. Quebrachine, y., amor- phous. Quinamicine. Quinamidine, purple. Quinamine, y. to r. and reduction. Quinicine, y., amorph. Quinidine, y. Quinine, y., amorphous. Rheadine, y., floccu- lent. Sabadilline, not very dilute. Sabatrine, not very dilute. Scopoline, y. Solanine. Strychnine, pp. sol. HC1. Taxine (?). Thebaine, y.-bn.; limit 10,000. [Si [Theine, slowly crys.] [Theobromine, slowly crys.] [Veratrine, not very dilute ; M.P. 182°.] II. Non-basic sub- stances causing re- duction. (Pp. only where stated.) Absynthiin, pp. cold; reduction on warm- ing. Acorin. Adonin. Aloin, red, then violet. Catechin, red-brown. Digitalin, crys. pp. [Ericolin, reduction warm.] Mangostin. [Menyanthin, reduc- tion warm.] Quercetin. 155 lver Nitrate (10). Robinin. Sophorin, y. crys. pp. III. No reaction with following: (A. = Alkaloid. G. = Glucoside. B. = Bitter Principle.) Capsicin, B., no pp. Cnicin, B. [Menyanthin, G.,cold; see II.] [Narcotine, A., see I.] [Picrotoxin, B., slight reduction on warm- ing.] Pilocarpidine, A. Quassiin, B. Saponin, G. Strophanthin, B. Theine, A. ) not at Theobromine onc%' I see I. 10. SILVER NITRATE is reduced by the following, or gives pp. (where this is mentioned) : Dibromapophylline. Lobeliine, pp. soluble in ammonia and HN03. Macrocarpine, pp. = pure Macroc. Morphine, red colour. Oxyacantbine, white pp. Pseudaconine (ammoncl. AgN03). Quinidine, pp. Theobromine, pp. gradually crystal- lizes. Alkaloids. Aconine. Anthocercine, slight pp. Capsaicin, purple on heating. Capsicin, pp. in strong alcoholic solution. Capsicol, pp. soluble in ammonia. Cupronine.](https://iiif.wellcomecollection.org/image/b21503023_0167.jp2/full/800%2C/0/default.jpg)
