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• W1781186196 endingPage "500" @default.
• W1781186196 startingPage "375" @default.
• W1781186196 abstract "Publisher Summary Strychnine and brucine, which occur in the seeds of Strychnos nuxvomica, L. and in the beans of Strychnos ignatii, Berg., are isolated by mixing the powdered seeds with slaked lime and adding sufficient water to make a paste. The paste is dried and extracted with chloroform. The alkaloids are recovered from this chloroform solution by extraction with dilute sulfuric acid, followed by precipitation of the bases with ammonia. Extraction of the crude alkaloid mixture with 25% alcohol dissolves the brucine, while the residue contains most of the strychnine. The crude alkaloids are purified by crystallization from alcohol. Brucine gives the well-known intense orange-red coloration with traces of nitric acid. This color reaction is improved if the alkaloid is first dissolved in some acetic acid. Brucidine, the brucine analog of strychnidine, gives brownish-green coloration when a dilute mineral acid solution of the base is treated with ferric chloride." @default.
• W1781186196 created "2016-06-24" @default.
• W1781186196 creator A5081240870 @default.
• W1781186196 date "1950-01-01" @default.
• W1781186196 modified "2023-09-27" @default.
• W1781186196 title "Chapter VII The Strychnos Alkaloids" @default.
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