
doi: 10.1007/bf02862974
1. Kokusaginine, as the free base, has been isolated in a yield of 0.015% from root bark ofPtelea trifoliata. 2. By descending paper partition chromatography an Rf value of 0.70 has been determined for the alkaloid. 3. The incorporation of 2% hydrochloric acid solution and hot benzene in the extraction procedure appears to facilitate the isolation of kokusaginine. 4. Members of the Rutaceae are significant natural sources of the alkaloid. 5. Pharmacological testing of kokusaginine is being conducted currently.
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