Hopeachinol B
Hopeachinol B is a potent immunosuppressive polyphenol.
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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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Chemistry. 2010 Jun 1;16(21):6338-45.
Immunosuppressive resveratrol aneuploids from Hopea chinensis.[Pubmed:
20411548]
METHODS AND RESULTS:
Two novel resveratrol aneuploids, hopeachinol A (1) and Hopeachinol B (2), as well as a potent immunosuppressive polyphenol diptoindonesin G (3) were characterized from the ethanol extract of Hopea chinensis stem barks. The structure of the polyphenols was accommodated by comprehensive spectroscopic analysis with the absolute stereochemistry determined by the CD approach coupled with theoretical ECD spectra computer-generated through the Gaussian 03 program.
CONCLUSIONS:
The distinct structure and biological profile of 3 recommended it as a starting molecule for the relevant drug discovery.
