Euparone
Eupatarone is a natural product from Eupatorium sternbergianum.
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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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Phytother Res. 2001 Dec;15(8):687-90.
Antiinflammatory activity of the antirheumatic herbal drug, gravel root (Eupatorium purpureum): further biological activities and constituents.[Pubmed:
11746861]
Previous reports from this laboratory revealed that cistifolin from the antirheumatic herbal drug, gravel root (rhizome of Eupatorium purpureum), showed activity both in in vitro and in vivo models of inflammation.
METHODS AND RESULTS:
Data are now presented to show that, in addition to the LFA-1 and other integrin-mediated leucocyte adhesions, cistifolin inhibits the Mac-1 (CD11b/CD18)-dependent monocyte adhesion to fibrinogen in a concentration-dependent manner. Further phytochemical analysis of the crude extract also led to the isolation of three known benzofurans, euparin, Euparone, 6-hydroxy-3beta-methoxytrematone and a new benzofuran, 5-acetyl-6-hydroxy-2-(1-oxo-2-acetoxy-ethyl)-benzofuran.
CONCLUSIONS:
None of these compounds were active in suppressing integrin-mediated monocytic U937 cell adhesions in vitro.
