Senkyunolide
Reference standards.
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Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to
24 months(2-8C).
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com
The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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Chinese Journal of Pharmaceutical Analysis, 2012, 32(9):1644-1647.
HPLC determination of equilibrium solubility and apparent oil/water partition coefficient of senkyunolide.[Reference:
WebLink]
To determine the equilibrium solubility of senkyunoide and its partition coefficients for the n-octanol-water/buffer solution systems,so as to provide a basis for new formulations designing.
METHODS AND RESULTS:
A high performance liquid chromatography method was established to detect the concentration of Senkyunolide .The Megres ODS(5 μm,4.6 mm×100 mm)column was adopted,the mobile phase was acetonitrile-water(1:3, v/v)at a flow rate of 1.0 mL·min-1,and the detection wavelength was 278 nm.The concentration of Senkyunolide in different pH solutions and the partition coefficients for the n-octanol-water and n-octanol-buffer solution systems were detected. The equilibrium solubility reached a maximum of 34.31 mg·mL-1in water at 37°C.Senk yunolide was instable in solvent systems pH≥9.0.Partition coefficient of Senkyunolidewas 13.43(lg P app=1.13) in the n-octanol-water system;there was no significant effect of pH to partition coefficient of Senkyunolide .
CONCLUSIONS:
The study showed that Senkyunolide is soluble,the partition coefficient of Senkyunolide is moderate,and the relative molecular mass of Senkyunolide is small.Therefore,we can explain why Senkyunolide can quickly reach into blood and brain.Senkyunolide can be predicted with a good application value.
