Composition #1: Hammerstein, F., Kaiser, F. Quantitative direct fluorometric determination of extracts of medicinal plants on thin-layer-chromatograms. planta medica, 1972, vol. 21, no. 1, p. 5–15. .
Language:
English (en)
Plant part:
Seed (as part-nature) (A066P)
Extraction/Preparation method:
Solvent extraction (A0BZR)
Additional extraction description:
ethanol
Substance:
ouabain (RF-00003966-PAR)
Analytical method code:
Traditional analytical techniques (wet chemical tests) (F003A)
Analytical method - additional description:
different methods applied in german
Result unit:
Percent (G138A)
Result type:
Numerical Value (VAL)
Value (concentration, content):
2.30-6.70
Internal remarks:
ouabain in seeds
Composition #2: Cowan, S., Stewart, M., Abbiw, DK., Latif, Z., Sarker, SD., Nash, RJ. Lignans from Strophanthus gratus. fitoterapia, 2001, vol. 72, no. 1, p. 80–82. DOI: 10.1016/S0367-326X(00)00240-9.
[DOI link]
Language:
English (en)
Plant part:
Bark (as part-nature) (A066X)
Extraction/Preparation method:
Solvent extraction (A0BZR)
Additional extraction description:
CH2Cl2
Substance:
lignans (RF-00004361-PAR)
Additional substance description:
8-hydroxypinoresinol, olivil, pinoresinol
Analytical method code:
Nuclear Magnetic Resonance (NMR) (F061A)
Analytical method - additional description:
uv, ms
Yes/No Qualitative:
Positive/Present (POS)
Result type:
Qualitative Value (Binary) (BIN)
Internal remarks:
Lignans (8-hydroxypinoresinol, olivil, pinoresinol) in stem bark
