Composition #1: Leonard, Nelson J., Elderfield, Robert C. Alstonia alkaloids. I. Degradation of alstonine to β-carboline bases and the reduction of tetrahydroalstonine with sodium and butyl alcohol.. Journal of Organic Chemistry, 1942, vol. 7, p. 556–72. DOI: 10.1021/jo01200a014.
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DOI link]
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Plant part:
Bark (as part-nature) (A066X)
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Extraction/Preparation method:
Solvent extraction (A0BZR)
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Substance:
Alstonine (RF-00011124-PAR)
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Analytical method code:
Unspecified (F598A)
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Yes/No Qualitative:
Positive/Present (POS)
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Result type:
Qualitative Value (Binary) (BIN)
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Internal remarks:
Alstonine
Composition #2: Crow, W. D., Greet, Yolande M. The occurrence of reserpine in Alstonia constricta.. Australian Journal of Chemistry, 1955, vol. 8, p. 460–3. .
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Plant part:
Roots and other underground parts (as part-nature) (A067M)
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Extraction/Preparation method:
Solvent extraction (A0BZR)
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Additional extraction description:
Methanol
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Substance:
reserpine (RF-00004025-PAR)
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Analytical method code:
High Performance Liquid Chromatography (HPLC)/Liquid Chromatography (LC) (F018A)
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Result unit:
Percent (G138A)
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Result type:
Numerical Value (VAL)
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Value (concentration, content):
0.23-0.28
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Internal remarks:
Reserpine
Composition #3: CROW, WD., HANCOX, NC., JOHNS, SR., LAMBERTO.JA. NEW ALKALOIDS OF ALSTONIA-CONSTRICTA. AUSTRALIAN JOURNAL OF CHEMISTRY, 1970, vol. 23, no. 12, p. 2489–&. .
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Plant part:
Roots and other underground parts (as part-nature) (A067M)
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Extraction/Preparation method:
Solvent extraction (A0BZR)
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Additional extraction description:
Methanol
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Substance:
Vincamajine (RF-00011045-PAR)
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Analytical method code:
Nuclear Magnetic Resonance (NMR) (F061A)
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Yes/No Qualitative:
Positive/Present (POS)
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Result type:
Qualitative Value (Binary) (BIN)
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Internal remarks:
Vincamajine
Composition #4: ALLAM, K., BEUTLER, JA., LEQUESNE, PW. 14-KETOALSTONIDINE AND OTHER ALKALOIDAL CONSTITUENTS OF THE STEM BARK OF ALSTONIA-CONSTRICTA . journal of natural products, 1987, vol. 50, no. 4, p. 623–625. DOI: 10.1021/np50052a007.
[
DOI link]
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Plant part:
Stem / stalk (as part-nature) (A067S)
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Extraction/Preparation method:
Solvent extraction (A0BZR)
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Substance:
Alkaloids (RF-00004360-PAR)
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Additional substance description:
14-KETOALSTONIDINE
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Analytical method code:
Nuclear Magnetic Resonance (NMR) (F061A)
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Yes/No Qualitative:
Positive/Present (POS)
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Result type:
Qualitative Value (Binary) (BIN)
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Internal remarks:
14-KETOALSTONIDINE
