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Schisandrin B
γ-Schisandrin
【Structural formula】
[Molecular formula and molecular weight] C 23 H 28 O 6 ; 400.
[Source] The seeds of Schisandrin Chinensis Bail, a magnolia family plant
【Properties】White powder
Soluble in methanol and ethanol
Melting point: 117~119℃
【Purity Check】
TLC
1.
Eluent petroleum ether (60 ~ 90 ℃) - ethyl - carboxylic acid (15:5:1)
Check under UV lamp (254nm)
2.
Developing agent toluene- ethyl acetate (9:1)
Check under UV lamp (254nm)
High performance liquid chromatography
Chromatographic column Agilent-C 18 , 5um (4.
Mobile phase methanol-water (80:20), flow rate 1ml/min
Detection wavelength 254nm
【Structural identification】280,254,218
2959, 2935, 2861, 1616, 1600
EI-MS m/z: 400[M] + , 271, 235, 219, 181
1 H-NMR (CDCl 3 ) δ: 0.
13 C-NMR (CDCl 3 ) δ: 151.
【Storage】Dry, airtight and avoid light
Related link: Schisandrin A