Dasycarpol
Dasycarpol(9beta-Hydroxyfraxinellone) shows significant neuroprotective activity against glutamate-induced neurotoxicity in primary cultures of rat cortical cells at a concentration of 0.1 microM. Dasycarpol also shows moderate inhibitory activity on lung cancer cell line A549.
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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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J Nat Prod. 2008 Feb;71(2):208-11.
Neuroprotective limonoids of root bark of Dictamnus dasycarpus.[Pubmed:
18198838]
METHODS AND RESULTS:
A methanolic extract of Dictamnus dasycarpus root bark afforded four new degraded limonoids, 9alpha-hydroxyfraxinellone-9- O-beta- d-glucoside ( 1), dictamnusine ( 2), dictamdiol A ( 3), and dictamdiol B ( 4), together with eight known compounds, dictamdiol ( 5), fraxinellone ( 6), fraxinellonone ( 7), 9beta-hydroxyfraxinellone (Dasycarpol,8), calodendrolide ( 9), obacunone ( 10), limonin ( 11), and rutaevin ( 12).
CONCLUSIONS:
Compounds, 2, 3, 6, 9, 10, and 11 showed significant neuroprotective activity against glutamate-induced neurotoxicity in primary cultures of rat cortical cells at a concentration of 0.1 microM.
J Asian Nat Prod Res. 2005 Dec;7(6):843-5.
Microbial transformation of fraxinellone by Aspergillus niger.[Pubmed:
16308202 ]
METHODS AND RESULTS:
Microbial transformation of fraxinellone (1) by Aspergillus niger (AS 3.421) has been carried out. Two converted products, Dasycarpol (2) and a new compound fraxinigerllone (3) were obtained. Their structures have been identified on the basis of spectroscopic methods.
CONCLUSIONS:
Dasycarpol shows moderate inhibitory activity on lung cancer cell line A549.
