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Studies on the Chemical Composition of Maackia amurensis Rup. and its Pharmacological Actions.

서울대학교 의과대학
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  • Biology
  • Chemistry
  • Pharmacology


In the last report, the auther examined over the chemical conponents of water extracts derived from the bark of Maackia amurensis Rup. together with their pharmacological actions and came to a convulsions that there probably be contained in the bark of Maackia amurensis Rup. certain alkaloids which cause convulsions in mouse. This time, by using Dowex 50, cation exchange resine , the author has isolated a crystalline substance, m.p. 155°C., from the bark of Maackia amurensis. Examined with regard to physical properties and pharmacological action of the substance, following results has been obtained.

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