Composition #1: Roux, D. G., Evelyn, S. R. Condensed tannins. II. Biogenesis of condensed tannins based on leucoanthocyanins. Biochemical Journal, 1958, p. 344–349. .
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Plant part:
Wood (as part-nature) (A166P)
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Extraction/Preparation method:
Solvent extraction (A0BZR)
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Additional extraction description:
methanol with further modification, light amber hearthwood
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Substance:
Proanthocyanidins (condensed tannins) Proanthocyanidins (condensed tannins) (RF-00004370-PAR)
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Additional substance description:
leuco-anthocyanins (leuco-fisetinidin) determined as fisetinidin-chloride
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Analytical method code:
Standard Chromatographic tests (paper- thin layer- and column chromatography) (F016A)
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Result unit:
Percent (G138A)
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Result type:
Numerical Value (VAL)
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Value (concentration, content):
15.7-17.3
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Internal remarks:
Condensed tannins (leuco-fisetinidin)
Composition #2: Roux, D. G., Evelyn, S. R. Condensed tannins. IV. The distribution and deposition of tannins in the heartwoods of Acacia mollissima and Schinopsis species. Biochemical Journal, 1960, p. 17–23. .
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Plant part:
Trunk (as part-nature) (A166N)
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Extraction/Preparation method:
Solvent extraction (A0BZR)
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Additional extraction description:
methanol with further modification
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Substance:
gallic acid (RF-00003821-PAR)
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Additional substance description:
free gallic acid
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Analytical method code:
Standard Chromatographic tests (paper- thin layer- and column chromatography) (F016A)
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Result unit:
Percent (G138A)
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Result type:
Numerical Value (VAL)
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Value (concentration, content):
0.1
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Internal remarks:
gallic acid
