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Alpinumisoflavone

CAS# 34086-50-5

Alpinumisoflavone

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Quality Control of Alpinumisoflavone

Number of papers citing our products

Chemical structure

Alpinumisoflavone

3D structure

Chemical Properties of Alpinumisoflavone

Cas No. 34086-50-5 SDF Download SDF
PubChem ID 5490139 Appearance Powder
Formula C20H16O5 M.Wt 336.3
Type of Compound Flavonoids Storage Desiccate at -20°C
Solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
Chemical Name 5-hydroxy-7-(4-hydroxyphenyl)-2,2-dimethylpyrano[3,2-g]chromen-6-one
SMILES CC1(C=CC2=C(O1)C=C3C(=C2O)C(=O)C(=CO3)C4=CC=C(C=C4)O)C
Standard InChIKey RQAMSFTXEFSBPK-UHFFFAOYSA-N
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Source of Alpinumisoflavone

The herbs of Genista pichisermolliana

Biological Activity of Alpinumisoflavone

Description1. Alpinumisoflavone has atheroprotective effects, may result from their ability to upregulate mechanisms promoting HDL-cholesterol and bile acid formation. 2. Alpinumisoflavone is endowed with estrogenic properties accounting, at least in part, for E. lysistemon effects. 3. Alpinumisoflavone induces cell death, may be via repressing both the ERK/MAPK and NF-κB pathways. 4. Alpinumisoflavone, abyssione-V 4'-O-methyl ether, 6,8-diprenylgenistein, and burttinone are active against both Gram-negative and Gram-positive bacteria, the minimum inhibitory concentration values obtained (MIC) ranged from 3.9 ug/mL to 125 ug/mL.
TargetsMEK | ERK | MAPK | NO | NF-kB | LDL | Antifection

Alpinumisoflavone Dilution Calculator

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Alpinumisoflavone Molarity Calculator

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Preparing Stock Solutions of Alpinumisoflavone

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.9735 mL 14.8677 mL 29.7354 mL 59.4707 mL 74.3384 mL
5 mM 0.5947 mL 2.9735 mL 5.9471 mL 11.8941 mL 14.8677 mL
10 mM 0.2974 mL 1.4868 mL 2.9735 mL 5.9471 mL 7.4338 mL
50 mM 0.0595 mL 0.2974 mL 0.5947 mL 1.1894 mL 1.4868 mL
100 mM 0.0297 mL 0.1487 mL 0.2974 mL 0.5947 mL 0.7434 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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References on Alpinumisoflavone

Alpinumisoflavone induces apoptosis and suppresses extracellular signal-regulated kinases/mitogen activated protein kinase and nuclear factor-kappaB pathways in lung tumor cells.[Pubmed:21415528]

Biol Pharm Bull. 2011;34(2):203-8.

The extracellular signal-regulated kinases/mitogen activated protein kinase (ERK/MAPK) and nuclear factor-kappaB (NF-kappaB) pathways are critical for cell survival and proliferation. Alpinumisoflavone (AIF), isolated from the African medicinal plant Erythrina lysistemon, is a member of the isoflavone group. In this report, we demonstrated that AIF treatment induces cell death of human lung tumor cells. Incubation of lung tumor cells with AIF increased the sub-G1 population and caspase 3/7 activity, suggesting that the cell death is caused by apoptosis. To identify the signaling pathway involved in the tumor cell death, we examined the modulation of transcriptional activity using various reporter constructs and found that AIF significantly deregulated both the ERK/MAPK and NF-kappaB pathways. Western blot analysis with antibodies to MAP/ERK kinase (MEK) and ERK showed that AIF dephosphorylates both MEK and ERK. Alpinumisoflavone also repressed lipopolysaccharide (LPS)-induced nitric oxide (NO) production in RAW264.7 cells by inhibiting NF-kappaB-dependent transcription. Therefore, the cell death induced by AIF may be via repressing both the ERK/MAPK and NF-kappaB pathways.

Effects of alpinumisoflavone and abyssinone V-4'-methyl ether derived from Erythrina lysistemon (Fabaceae) on the genital tract of ovariectomized female Wistar rat.[Pubmed:22183714]

Phytother Res. 2012 Jul;26(7):1029-36.

Erythrina lysistemon is an African medicinal plant used as a palliative for problems in women. The crude extract of this plant was shown to exhibit estrogenic effects on the female rat reproductive tract and on cell cuture. Using classic chromatographic methods, two compounds have been isolated as major constituents of this extract: Alpinumisoflavone (1) and abyssinone V-4'-methyl ether (2). To determine whether both compounds are actives principles accounting for E. lysistemon effects, we applied the classic 3-day uterotrophic assay. We also carried out a ligand binding assay to determine whether the observed effects are estrogen receptor (ER) mediated. This study showed that whereas compound 1 displayed a fourfold preference for ERalpha, compound 2 bound ERalpha and ERbeta with a same affinity. The in vivo study showed that compound 1 increased the uterine wet weight by 182.23% (p < 0.01) and 71.79% (p < 0.05) at doses of 0.1 and 1 mg/kg BW/day respectively. The uterine epithelium thickened dose-dependently. Vaginal epithelial height also increased by 369.97 and 226.76% respectively (p < 0.01). Compound 2 acted only on the vagina and increased vaginal epithelial height by 244.56% (p < 0.01) at 1 mg/kg BW/day. These results suggest that compounds 1 and 2 are endowed with estrogenic properties accounting, at least in part, for E. lysistemon effects.

Alpinumisoflavone.[Pubmed:21202104]

Acta Crystallogr Sect E Struct Rep Online. 2008 Mar 14;64(Pt 4):o713.

The title compound, C(20)H(16)O(5), {systematic name: 5-hydr-oxy-7-(4-hydroxy-phen-yl)-2,2-dimethyl-2H,6H-benzo[1,2-b:5,4-b']dipyran-6- one}, was obtained by demethyl-ation of the biologically active related compound, 4-O-methyl-alpinum-iso-flavone. The mol-ecular structure of the title compound is characterized by a fused tricyclic system that contains an approximately planar benzopyrone ring fragment. The six membered pyran ring adopts a half-chair conformation. Both ring systems show an out-of-plane twist. The dihedral angle between the mean plane of the benzopyrone system and the benzene ring is 54.29 (3) degrees . The mol-ecules are linked by O-Hcdots, three dots, centeredO hydrogen bonds, forming a mol-ecular tape running along the b axis.

Alpinumisoflavone and abyssinone V 4'-methylether derived from Erythrina lysistemon (Fabaceae) promote HDL-cholesterol synthesis and prevent cholesterol gallstone formation in ovariectomized rats.[Pubmed:25683903]

J Pharm Pharmacol. 2015 Jul;67(7):990-6.

OBJECTIVES: Erythrina lysistemon was found to improve lipid profile in ovariectomized rats. Alpinumisoflavone (AIF) and abyssinone V 4'-methylether (AME) derived from this plant induced analogous effects on lipid profile and decreased atherogenic risks. To highlight the molecular mechanism of action of these natural products, we evaluated their effects on the expression of some estrogen-sensitive genes associated with cholesterol synthesis (Esr1 and Apoa1) and cholesterol clearance (Ldlr, Scarb1 and Cyp7a1). METHODS: Ovariectomized rats were subcutaneously treated for three consecutive days with either compound at the daily dose of 0.1, 1 and 10 mg/kg body weight (BW). Animals were sacrificed thereafter and their liver was collected. The mRNA of genes of interest was analysed by quantitative real-time polymerase chain reaction. KEY FINDINGS: Both compounds downregulated the mRNA expression of Esr1, a gene associated with cholesterogenesis and cholesterol gallstone formation. AME leaned the Apoa1/Scarb1 balance in favour of Apoa1, an effect promoting high-density lipoprotein (HDL)-cholesterol formation. It also upregulated the mRNA expression of Ldlr at 1 mg/kg/BW per day (25%) and 10 mg/kg/BW per day (133.17%), an effect favouring the clearance of low-density lipoprotein (LDL)-cholesterol. Both compounds may also promote the conversion of cholesterol into bile acids as they upregulated Cyp7a1 mRNA expression. CONCLUSION: AIF and AME atheroprotective effects may result from their ability to upregulate mechanisms promoting HDL-cholesterol and bile acid formation.

Antibacterial activity of flavonoids from the stem bark of Erythrina caffra thunb.[Pubmed:20623615]

Phytother Res. 2011 Jan;25(1):46-8.

The antibacterial activity of the stem bark of Erythrina caffra Thunb. was investigated against different bacterial strains. The antibacterial activity was determined by a micro broth dilution assay. Antibacterial compounds were isolated and identified using a Bruker Avance III LPO NMR spectrometer. Four known flavonoids, abyssione-V 4'-O-methyl ether, 6,8-diprenylgenistein, Alpinumisoflavone and burttinone, were isolated. All the compounds were active against both Gram-negative and Gram-positive bacteria. The minimum inhibitory concentration values obtained (MIC) ranged from 3.9 mug/mL to 125 mug/mL. This is the first report of antibacterial activity of burttinone and the isolation of these compounds from E. caffra.

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