5,7-Dimethoxyflavanone
5,7-Dimethoxyflavanone has anti-inflammatory activities.
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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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J Ethnopharmacol. 2005 Sep 14;100(3):249-53.
Anti-inflammatory activities of flavonoids isolated from Caesalpinia pulcherrima.[Pubmed:
15893896]
METHODS AND RESULTS:
The anti-inflammatory activities of five flavonoids, namely 5,7-Dimethoxyflavanone (1), 5,7-dimethoxy-3',4'-methylenedioxyflavanone (2), isobonducellin (3), 2'-hydroxy-2,3,4',6'-tetramethoxychalcone (4) and bonducellin (5), all of them isolated from Caesalpinia pulcherrima L. was studied in lipopolysaccharide (LPS) and interferon (IFN)-gamma activated murine peritoneal macrophages. These five compounds significantly and dose-dependently inhibited the inflammatory mediators; nitric oxide (NO), and cytokines [tumor necrosis factor (TNF)-alpha and interleukin (IL)-12]. According to their inhibitory results, the order of anti-inflammatory potency was compounds 3>5>4>2>1. Furthermore, peritoneal macrophages were pre-activated with LPS/IFN-gamma for 24h, and determined the inhibitory effects of the above-mentioned isolates on the production of NO after a further 24h.
CONCLUSIONS:
The present study supports the use of Caesalpinia pulcherrima for the treatment of inflammatory diseases in traditional medicine. This is the first study on compounds 1-5 about their anti-inflammatory activities.
Phytochemistry.1998 Apr;47(7):1387–1391.
A novel retrodihydrochalcone from the stem bark of Uvaria mocoli.[Reference:
WebLink]
METHODS AND RESULTS:
Investigation of the ethyl acetate extract of the stem bark of Uvaria mocoli resulted in the isolation of the novel retrodihydrochalcone 2-hydroxy-4,5,6-trimethoxydihydrochalcone together with the known flavonoids 2′-hydroxy-4′,6′-dimethoxychalcone, 2′-hydroxy-4′,5′,6′-trimethoxychalcone, 5,7-Dimethoxyflavanone and 5,7,8-trimethoxyflavanone, the oxoaporphines lysicamine, liriodenine and isomoschatoline, benzoic acid and a mixture of sitosterol and stigmasterol. All the compounds were identified by analysis of their spectral data.
