Composition #1: Chauhan, SMS., Singh, M., Narayan, L. Isolation of 3 beta-hydroxyolean-12-ene, friedelin and 7-methoxy-4 '-5-dihydroxyisoflavone from dry and fresh leaves of Shorea robusta. MEDICINAL CHEMISTRY, 2002, vol. 41, no. 5, p. 1097–1099. .
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Plant part:
Leaves (as part-nature) (A0EKT)
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Extraction/Preparation method:
Solvent extraction (A0BZR)
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Additional extraction description:
Acetone
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Substance:
isoflavones (RF-00004359-PAR)
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Additional substance description:
7-methoxy-4 '-5-dihydroxyisoflavone
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Analytical method code:
Colorimetry, Spectroscopy (Spectrometry) and Photometry (F008A)
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Analytical method - additional description:
UV, IR, H NMR
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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:
7-methoxy-4 '-5-dihydroxyisoflavone
