7',8'-Dihydroobolactone
7',8'-Dihydroobolactone can inhibit Trypanosoma brucei brucei with an IC(50) of 2.8 microM.
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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.
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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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Bioorg Med Chem Lett. 2010 Jul 15;20(14):4057-9.
7',8'-Dihydroobolactone, a typanocidal alpha-pyrone from the rainforest tree Cryptocarya obovata.[Pubmed:
20558060 ]
METHODS AND RESULTS:
Mass-directed isolation of the CH(2)Cl(2)/MeOH extract from the leaves of Cryptocarya obovata resulted in the purification of a new trypanocidal alpha-pyrone, 7',8'-Dihydroobolactone (1). The chemical structure of 1 was determined by 1D/2D NMR, MS and CD data analysis.
CONCLUSIONS:
7',8'-Dihydroobolactone was shown to inhibit Trypanosoma brucei brucei with an IC(50) of 2.8 microM.
