Composition #1: Huizing, H. J., Gadella, T. W. J., Kliphuis, E. Chemotaxonomical investigations of the Symphytum officinale polyploid complex and S. asperum (Boraginaceae): the pyrrolizidine alkaloids. Plant Systematics and Evolution, 1982, p. 279–292. .
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Plant part:
Live plants (as part-nature) (A0BA0)
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Extraction/Preparation method:
Solvent extraction (A0BZR)
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Additional extraction description:
n-pentane
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Substance:
Pyrrolizidine alkaloids (RF-00000230-TOX)
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Analytical method code:
Gelpermeation, High Performance Thin Layer Chromatography (HPTLC) (F017A)
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Analytical method - additional description:
thin layer chromatography
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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:
pyrrolizidine alkaloids
