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Alkaloids from the fresh leaves of Mitragyna speciosa (Korth.) Havil
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The fresh leaves of Mitragyna speciosa (Korth.) Havil. Were examined for their alkaloids. Altogether nine alkaloids were isolated, six of which being heteroyohimbine alkaloids identified as mitragynine, paynantheine, speciogynine, mitraciliatine, ajmalicine, and tetrahydroalstonine. The other three being oxindole alkaloids identified as isopteropodine, isomitraphylline, and mitraphylline. Tetrahydroalstonine and isopteropodine have never been reported from this species before. The physical and chemical properties of these alkaloids were studies.
Title: Alkaloids from the fresh leaves of Mitragyna speciosa (Korth.) Havil
Description:
The fresh leaves of Mitragyna speciosa (Korth.
) Havil.
Were examined for their alkaloids.
Altogether nine alkaloids were isolated, six of which being heteroyohimbine alkaloids identified as mitragynine, paynantheine, speciogynine, mitraciliatine, ajmalicine, and tetrahydroalstonine.
The other three being oxindole alkaloids identified as isopteropodine, isomitraphylline, and mitraphylline.
Tetrahydroalstonine and isopteropodine have never been reported from this species before.
The physical and chemical properties of these alkaloids were studies.
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