ALEXIS Biochemicals: Xanthohumol

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ALX-350-246

Revised 07-Oct-08

Butein
SYNONYMS	2',3,4,4'-Tetrahydroxychalcone
PRODUCT LINE	Natural Products / Antibiotics
PRODUCT CATEGORY	Natural Products - Protein Kinase Inhibitors

Ordering Information

Product Numbers:	Format:	Size:	Unit Price:	Quantity:	Add To Cart
ALX-350-246-M010		10 mg	190.00 USD

Product Specification

FORMULA:	C₁₅H₁₂O₅
MW:	272.3
CAS NUMBER:	487-52-5
PURITY:	≥98% (HPLC)
APPEARANCE:	Yellow solid.
SOLUBILITY:	Soluble in DMSO (>50mg/ml) or methanol; insoluble in water.
SHIPPING:	AMBIENT
LONG TERM STORAGE:	-20°C
HANDLING:	Protect from light. Keep cool and dry under inert gas.
IDENTITY:	Identity determined by ¹H-NMR, ¹³C-NMR and MS.

Product Description

Plant polyphenol. Specific tyrosine kinase inhibitor. Potently inhibits the tyrosine kinase activity of the EGF receptor and p60^c-^src. Potent antioxidant and anti-inflammatory agent. Inhibits glutathione reductase and rat liver glutathione S-transferase. Activator of human deacetylase SIRT1. Inhibits aromatase, showing chemopreventive properties. Directly inhibits IKK.

Product Specific Literature References

Inhibition of 12-O-tetradecanoylphorbol-13-acetate-mediated epidermal ornithine decarboxylase induction and skin tumor promotion by new lipoxygenase inhibitors lacking protein kinase C inhibitory effects: E. Aizu, et al.; Carcinogenesis 7, 1809 (1986) Abstract
Protective effects of hydroxychalcones on free radical-induced cell damage: S. Sogawa, et al.; Biol. Pharm. Bull. 17, 251 (1994) Abstract
Cytotoxic effect of butein on human colon adenocarcinoma cell proliferation: C.C. Yit & N.P. Das; Cancer Lett. 82, 65 (1994) Abstract
Inhibitory effects of plant polyphenols on rat liver glutathione S-transferase: K. Zhang & N.P. Das; Biochem. Pharmacol. 47, 2063 (1994) Abstract
Endothelium-dependent relaxation of rat aorta by butein, a novel cyclic AMP-specific phosphodiesterase inhibitor: S.M. Yu, et al.; Eur. J. Pharmacol. 280, 69 (1995) Abstract
Butein (3,4,2',4'-tetrahydroxychalcone) ameliorates experimantal anti-glomerular basement membrane antibody-associated glomerulonephritis (3): K. Hayashi, et al.; Eur. J. Pharmacol. 316, 297 (1996) Abstract
Inhibition of glutathione reductase by plant polyphenols: K. Zhang, et al.; Biochem. Pharmacol 54, 1047 (1997) Abstract
Butein, a specific protein tyrosine kinase inhibitor: E.-B. Yang, et al.; BBRC 245, 435 (1998) Abstract
Antioxidant properties of butein isolated from Dalbergia odorifera: Z.J. Cheng, et al.; Biochim. Biophys. Acta 1392, 291 (1998) Abstract
Flavonoids inhibit cell growth and induce apoptosis in B16 melanoma 4A5 cells: K. Iwashita, et al.; Biosci. Biotechnol. Biochem. 64, 1813 (2000) Abstract
Butein, a plant polyphenol, induces apoptosis concomitant with increased caspase-3 activity, decreased Bcl-2 expression and increased Bax expression in HL-60 cells: N.Y. Kim, et al.; Pharmacol. Toxicol. 88, 261 (2001) Abstract
Small molecule activators of sirtuins extend Saccharomyces cerevisiae lifespan: K.T. Howitz, et al.; Nature 425, 191 (2003) Abstract
The plant polyphenol butein inhibits testosterone-induced proliferation in breast cancer cells expressing aromatase: Y. Wang, et al.; Life Sci. 77, 39 (2005) Abstract
Butein, a tetrahydroxychalcone, inhibits nuclear factor (NF)-kappaB and NF-kappaB-regulated gene expression through direct inhibition of IkappaBalpha kinase beta on cysteine 179 residue: M.K. Pandey, et al.; J. Biol. Chem. 282, 17340 (2007) Abstract

Further Categories Containing This Product:

Tyrosine Kinase Inhibitors • Natural Products - Anti-inflammatory Agents • EGFR Kinase Inhibitors • Glutathione / Related Products • Chalcones • Phosphodiesterases / Related Products • Natural Products - Chemopreventive Agents • Glutathione S-Transferase • Natural Products - Antioxidants • Sirtuins / Related Products • IkB Kinases [IKKs] / Related Products

ALX-350-145

Revised 28-Mar-07

Isobavachalcone
SYNONYMS	2’,4’,4-Trihydroxy-3’-[3’’-methylbut-3’’-enyl]chalcone
PRODUCT LINE	Natural Products / Antibiotics
PRODUCT CATEGORY	Natural Products - Antitumor Reagents

Ordering Information

Product Numbers:	Format:	Size:	Unit Price:	Quantity:	Add To Cart
ALX-350-145-M001		1 mg	190.00 USD

Product Specification

FORMULA:	C₂₀H₂₀O₄
MW:	324.4
CAS NUMBER:	20784-50-3
SOURCE/HOST:	Isolated from plant Psoralea corylifolia.
PURITY:	≥97% (HPLC)
APPEARANCE:	Yellow oil.
SOLUBILITY:	Soluble in DMSO or 100% ethanol.
SHIPPING:	AMBIENT
LONG TERM STORAGE:	-20°C
HANDLING:	Protect from light.
IDENTITY:	Determined by ¹H-NMR, ¹³C-NMR and MS.

Product Description

Inhibits platelet aggregation. Inhibitor of Epstein-Barr virus early antigen (EBV-EA) induction. Exhibits potent inhibitory effect on skin tumor promotion. Potent inhibitor of MMP-2. Displays DNA strand-scission (cleaving) activity. Shows antifungal activity.

Product Specific Literature References

Antiplatelet flavonoids from seeds of Psoralea corylifolia: W.J. Tsai, et al.; J. Nat. Prod. 59, 671 (1996) Abstract
Antioxidative components of Psoralea corylifolia (Leguminosae): H. Haraguchi, et al.; Phytother. Res. 16, 539 (2002) Abstract
Chalcones, coumarins, and flavanones from the exudate of Angelica keiskei and their chemopreventive effects: T. Akihisa, et al.; Cancer Lett. 201, 133 (2003) Abstract
Antitrichomonal and antioxidant activities of Dorstenia barteri and Dorstenia convexa: N.O. Omisore, et al.; Braz. J. Med. Biol. Res. 38, 1087 (2005) Abstract
Chalcones and other compounds from the exudates of Angelica keiskei and their cancer chemopreventive effects: T. Akihisa, et al.; J. Nat. Prod. 69, 38 (2006) Abstract
Inhibition of matrix metalloproteinase-2 secretion by chalcones from the twigs of Dorstenia barteri Bureau.: B. Ngameni, et al.; Arkivoc ix, 91 (2007) Full Text

Further Categories Containing This Product:

Other Natural Products - DNA Regulation / Transcription • Chalcones • Antithrombotic Agents / Platelet Aggregation Inhibitors / Related Products • MMP Inhibitors • Epstein Barr Virus / Related Products • Antitumor Agents (Anti-proliferative) • Natural Products - Antifungal Agents

ALX-430-124

Revised 23-Feb-05

Licochalcone A (synthetic)
SYNONYMS	(E)-3-[5-(1,1-Dimethyl-2-propenyl)-4-hydroxy-2-methoxyphenyl]-1-(4-hydroxyphenyl)-2-propen-1-one
PRODUCT LINE	Cell Death / Apoptosis / Autophagy
PRODUCT CATEGORY	Bcl-2 Family Modulators

Ordering Information

Product Numbers:	Format:	Size:	Unit Price:	Quantity:	Add To Cart
ALX-430-124-M005		5 mg	45.00 USD

Product Specification

FORMULA:	C₂₁H₂₂O₄
MW:	338.4
CAS NUMBER:	58749-22-7
PURITY:	≥96% (HPLC)
APPEARANCE:	Yellow crystalline solid.
SOLUBILITY:	Soluble in DMSO or 100% ethanol.
SHIPPING:	SHIPPED ON BLUE ICE
LONG TERM STORAGE:	-20°C
USE/STABILITY:	Stock solutions are stable for up to 6 months when stored at –20°C. Dilute stock solution 1:10 with aqueous buffer or medium just prior to use.
HANDLING:	After reconstitution, prepare aliquots and store at -20°C. Packaged under inert gas. Protect from light.
HAZARD:	HARMFUL.

Product Description

Reduces Bcl-2 protein expression.

Further Categories Containing This Product:

Chalcones

ALX-350-280

Revised 07-Oct-08

Xanthohumol
PRODUCT LINE	Natural Products / Antibiotics
PRODUCT CATEGORY	Other Natural Products - DNA Regulation / Transcription

Ordering Information

Product Numbers:	Format:	Size:	Unit Price:	Quantity:	Add To Cart
ALX-350-280-M005		5 mg	135.00 USD

Product Specification

FORMULA:	C₂₁H₂₂O₅
MW:	354.4
CAS NUMBER:	569-83-5, 6754-58-1
SOURCE/HOST:	Isolated from hops (Humulus lupulus).
PURITY:	≥98% (HPLC)
APPEARANCE:	Yellow to orange powder.
SOLUBILITY:	Soluble in DMSO (25mg/ml), methanol (10mg/ml) or 100% ethanol; soluble in aqueous buffers up to 20μM.
SHIPPING:	AMBIENT
LONG TERM STORAGE:	+4°C
USE/STABILITY:	Stable as powder for at least 6 months when stored at +4°C in the dark. Stock solution made in DMSO should not be stored for longer than one month. Working solution is stable for 24 hours at 37°C and up to one week when stored at +4°C. Unstable in acidic (pH < 4.5) and alkaline (pH > 7.5) systems.
IDENTITY:	Identity determined by NMR.

Product Description

Prenylated chalcone found in beer. Potent inhibitor of diacylglycerol acetyltransferase (DGAT). Inhibits DNA polymerase and induces cell differentiation. Has antiproliferative and cytotoxic effects in human cancer cell lines. Inhibits human P450 enzymes. Induces quinone reductase. Inhibits the expression of HIF-1α and VEGF under hypoxic conditions. Induces apoptosis in mature adipocytes.

Product Specific Literature References

Xanthohumols, diacylglycerol acyltransferase inhibitors, from Humulus lupulus: N. Tabata, et al.; Phytochemistry 46, 683 (1997) Abstract
Antiproliferative and cytotoxic effects of prenylated flavonoids from hops (Humulus lupulus) in human cancer cell lines: C.L. Miranda, et al.; Food Chem. Toxicol. 37, 271 (1999) Abstract
In vitro inhibition of human P450 enzymes by prenylated flavonoids from hops, Humulus lupulus: M.C. Henderson, et al.; Xenobiotica 30, 235 (2000) Abstract
Prenylated chalcones and flavanones as inducers of quinone reductase in mouse Hepa 1c1c7 cells: C.L. Miranda, et al.; Cancer Lett. 149, 21 (2000) Abstract
Cancer chemopreventive activity of Xanthohumol, a natural product derived from hop: C. Gerhauser, et al.; Mol. Cancer Ther. 1, 959 (2002) Abstract
Xanthohumol and related prenylflavonoids from hops and beer: to your good health!: J.F. Stevens & J.E. Page; Phytochemistry 65, 1317 (2004), (Review) Abstract
Effect of xanthohumol and isoxanthohumol on 3T3-L1 cell apoptosis and adipogenesis: J.Y. Yang, et al.; Apoptosis 12, 1953 (2007) Abstract

Further Categories Containing This Product:

Active Substances from Fruit and Vegetables • Estrogen & Estrogen Receptors / Related Products • Cell Differentiation • Hypoxia-inducible Factor [HIF] / Related Products • Chalcones • Natural Products - Apoptosis Inducers & Inhibitors • Antitumor Agents (Anti-proliferative) • Respiratory Chain Other Products • Obesity & Diabetes Other Products • Natural Products - Antitumor Reagents • VEGFs • Lipid Metabolism Other Products

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