Sappanone A Chemical Properties

Boiling point:

605.5±55.0 °C(Predicted)

Density 

1.521±0.06 g/cm3(Predicted)

solubility 

DMF: 20 mg/ml; DMSO: 15 mg/ml; Ethanol: 5 mg/ml; PBS (pH 7.2): 0.25 mg/ml

form 

A solid

pka

7.20±0.20(Predicted)

color 

Light yellow to yellow

Sappanone A Usage And Synthesis

Description

Sappanone A is a homoisoflavonoid with diverse biological activities that has been isolated from the aerial parts of C. pulcherrima, the heartwood of C. sappan, and the stems of H. campechianum. In vitro, sappanone A inhibits 76.2, 59.2, 37.4, and 35.4% of FGFR1, KDR, c-Met, and c-Kit kinase activity, respectively, when used at a concentration of 10 μM. It also inhibits influenza viral neuraminidase (NA) with IC₅₀ values of 0.7, 1.1, and 1 μM for H1N1, H3N2, and H9N2 influenza viral NAs, respectively. Sappanone A has antibacterial activity against Gram-positive B. subtilis, B. sphaericus, and S. aureus as well as Gram-negative K. aerogenes and C. violaceum. It also inhibits the growth of A. niger and C. albicans fungi. Sapannone A inhibits LPS-induced inflammatory responses in vitro and in vivo, reducing nitric oxide (NO), interleukin-6 (IL-6), and prostaglandin E₂ (PGE₂; ) production in RAW264.7 cells as well as LPS-induced mortality in mice. It also attenuates airway inflammation and mucus hypersecretion via activation of the Nrf2 signaling pathway in a mouse model of ovalbumin-induced asthma.

Uses

Sappanone A is a natural product flavonoid with some antioxidant properties that can be isolated from C. sappan.

Biological Activity

Sappanone A is a homoisoflavanone which exhibits anti-inflammatory effects via modulation of Nrf2 and NF-κB. Sappanone can attenuate allergic airway inflammation in Ovalbumin-induced asthma.

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