Ginseng triol

Ginseng triol

Panaxatriol

【Structural formula】

[Molecular formula and molecular weight] C ₃₀ H ₅₂ O ₄ ; 476.

[Source] The stems and leaves of Panax ginseng CAMey

【Properties】White crystalline powder

This product is soluble in methanol but hardly soluble in water

Melting point: 238～239℃

【Purity Check】

TLC

1.

Developing solvent chloroform - diethyl ether (1/1)

Check 10% sulfuric acid ethanol solution, check under sunlight

2.

Developing agent toluene- ethyl acetate (1∶1)

Check 10% sulfuric acid ethanol solution, check under sunlight

High performance liquid chromatography

Chromatographic column Agilent C ₁₈ , 10um (4.

The mobile phase methanol - water (80:20), 0.

Drift tube temperature of evaporative light scattering detector, 80℃; N ₂ flow rate, 2.

Differential calorimetry

Start temperature 50℃, end temperature 300℃, heating rate 5℃/min

【Structural identification】UV

IR 3369(-OH), 2966, 2931, 1645, 1468, 1438, 1385, 1045

EI-MS m/z: 476 [M] ⁺ , 339, 187, 173

¹ H-NMR (Pyridine-d ₆ ) δ: 1.

¹³ C-NMR (Pyridine-d ₆ ) δ: 38.

【Storage】Dry and airtight

Related link: Ginsengdiol