• Home
  • Sitemap
  • Help
  • Technical Support
  • Contact
Oxidative Stress
You are here: Product Lines > Oxidative Stress
 
Toolbar - View Selection
 
 Items 150-200 of 337 Page 4 of 7 Select Page: << 1 2 3 4 5 6 7  >>  
ALX-350-249 Revised 07-Oct-08
Puerarin
Add to Clipboard
SYNONYMS 8-(β-D-Glucopyranosyl-7-hydroxy-3- (4-hydroxyphenyl)-4H-1-benzopyran-4-one
NPI-031G
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antioxidants
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-249-M005   5 mg 110.00 USD Add To Cart
Product Specification
FORMULA: C21H20O9
MW: 416.4
CAS NUMBER: 3681-99-0
RTECS: UO5216000
SOURCE/HOST: Isolated from Kudzu root.
PURITY: ≥98%
APPEARANCE: White to off-white powder.
SOLUBILITY: Soluble in methanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C

Product Description
Biologically active isoflavone. Affects serotonin levels and platelet aggregation in blood cells. 5-HT2c antagonist. Antibacterial. Displays cardioprotective effects. Induces apoptosis.
Product Specific Literature References
Daidzin and its antidipsotropic analogs inhibit serotonin and dopamine metabolism in isolated mitochondria: W.M. Keung & B.L. Vallee; PNAS 95, 2198 (1998) Abstract
Metabolism of puerarin and daidzin by human intestinal bacteria and their relation to in vitro cytotoxicity: D.H. Kim, et al.; Biol. Pharm. Bull. 21, 628 (1998) Abstract
NPI-031G (puerarin) reduces anxiogenic effects of alcohol withdrawal or benzodiazepine inverse or 5-HT2C agonists: D.H. Overstreet, et al.; Pharmacol. Biochem. Behav. 75, 619 (2003) Abstract
Puerarin reduces increased c-fos, c-jun, and type IV collagen expression caused by high glucose in glomerular mesangial cells: C.P. Mao & Z.L. Gu; Acta Pharmacol. Sin. 26, 982 (2005) Abstract
Contrasting effects of puerarin and daidzin on glucose homeostasis in mice: E. Meezan, et al.; J. Agric. Food Chem. 53, 8760 (2005) Abstract
Induction of apoptosis by puerarin in colon cancer HT-29 cells: Z. Yu & W. L; Cancer Lett. 238, 53 (2006) Abstract
Opening the calcium-activated potassium channel participates in the cardioprotective effect of puerarin: 574, 179 (2007)
: Q. Gao, et al.; Eur. J. Pharmacol. 574, 179 (2007) Abstract
Further Categories Containing This Product:
Antithrombotic Agents / Platelet Aggregation Inhibitors / Related Products • Natural Products with Antibiotic Activity • Natural Products for Neurological Research • Serotonergics & Serotonin Receptors / Related Products • Natural Products - Apoptosis Inducers & Inhibitors • Isoflavones
 
 
ALX-350-278 Revised 08-Apr-08
Caffeic acid n-octyl ester
Add to Clipboard
SYNONYMS n-Octylcaffeate
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - NF-kB Pathway Inhibitors
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-278-M005   5 mg 25.00 USD Add To Cart
ALX-350-278-M025   25 mg 100.00 USD Add To Cart
Product Specification
FORMULA: C17H24O4
MW: 292.2
PURITY: ≥99%
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description
More potent analog than CAPE (Prod. No. ALX-270-244). Suppressor of inducible nitric oxide synthase (iNOS; NOS II). Induces apoptosis.
Product Specific Literature References
Mechanism of toxicity of esters of caffeic and dihydrocaffeic acids: B. Etzenhouser, et al.; Bioorg. Med. Chem. 9, 199 (2001) Abstract
A novel antioxidant, octyl caffeate, suppression of LPS/IFN-gamma-induced inducible nitric oxide synthase gene expression in rat aortic smooth muscle cells: G. Hsiao, et al.; Biochem. Pharmacol. 65, 1383 (2003) Abstract
Caffeic acid derivatives: in vitro and in vivo anti-inflammatory properties: F.M. da Cunha, et al.; Free Radic. Res. 38, 1241 (2004) Abstract
Octylcaffeate induced apoptosis in human leukemia U937 cells: M. Ujibe, et al.; Biol. Pharm. Bull. 28, 2338 (2005) Abstract
General Information
Octylcaffeate significantly ameliorates circulatory failure of endotoxemia by suppression of iNOS (NOS II) expression through inactivation of mitogen-activated protein kinases.
Further Categories Containing This Product:
NOS Inhibitors (NOS Induction & Enzyme Activity) • NF-kB Pathway Inhibitors • Natural Products - Immunomodulators • Natural Products - Anti-inflammatory Agents • Natural Products - Nitric Oxide Pathway Modulators • Natural Products - Antioxidants • Natural Products - Apoptosis Inducers & Inhibitors • Phenolic Acids
 
 
ALX-350-305 Revised 08-Apr-08
Tiliroside
Add to Clipboard
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antioxidants
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-305-M001   1 mg 140.00 USD Add To Cart
Product Specification
FORMULA: C30H26O13
MW: 594.5
CAS NUMBER: 20316-62-5
SOURCE/HOST: Isolated from Tilia sp.
PURITY: ≥97% (HPLC)
APPEARANCE: White to off-white solid.
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
Flavonoid which shows anti-complement, anti-inflammatory and free radical scavenger activity. Inhibits the production of the inflammatory mediators nitric oxide (NO), TNF-α and IL-12 in activated macrophages. Shows potent activity against d-GalN-induced cytotoxicity in hepatocytes. Cytotoxic against specific leukaemic cell lines. Inhibits LDL oxidation. Antibacterial and antifungal.
Product Specific Literature References
Anti-complement activity of tiliroside from the flower buds of Magnolia fargesii: K.Y. Jung, et al.; Biol. Pharm. Bull. 21, 1077 (1998) Abstract
Cytotoxic and antiproliferative effects of heptaacetyltiliroside on human leukemic cell lines: K. Dimas, et al.; Leuk. Res. 23, 1021 (1999) Abstract
Hepatoprotective principles from the flowers of Tilia argentea (linden): structure requirements of tiliroside and mechanisms of action: H. Matsuda, et al.; Bioorg. Med. Chem. 10, 707 (2002) Abstract
Assessment of the anti-inflammatory activity and free radical scavenger activity of tiliroside: A. Sala, et al.; Eur. J. Pharmacol. 461, 53 (2003) Abstract
Flavonoids from the leaves of Litsea japonica and their anti-complement activity: S.Y. Lee, et al.; Phytother. Res. 19, 273 (2005) Abstract
Inhibitory effects of the flavonoids isolated from Waltheria indica on the production of NO, TNF-alpha and IL-12 in activated macrophages: Y.K. Rao, et al.; Biol. Pharm. Bull. 28, 912 (2005) Abstract; Full Text
Antiviral and antimicrobial assessment of some selected flavonoids: B. Ozcelik, et al.; Z. Naturforsch. [C] 61, 632 (2006) Abstract
Tiliroside and gnaphaliin inhibit human low density lipoprotein oxidation: G.R. Schinella, et al.; Fitoterapia 78, 1 (2007) Abstract
Further Categories Containing This Product:
Natural Products - Anti-inflammatory Agents • Natural Products with Antibiotic Activity • Natural Products - Antifungal Agents • Natural Products - Antitumor Reagents • Flavonols • Free Radical Scavengers • Natural Products - Nitric Oxide Pathway Modulators • Complement System Other Products
 
 
ALX-350-320 Revised 11-Mar-08
3,5-Di-O-caffeoylquinic acid
Add to Clipboard
SYNONYMS 3,5-CQA
Isochlorogenic acid
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antioxidants
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-320-M001   1 mg 95.00 USD Add To Cart
ALX-350-320-M005   5 mg 380.00 USD Add To Cart
Product Specification
FORMULA: C25H24O12
MW: 516.5
CAS NUMBER: 2450-53-5
SOURCE/HOST: Isolated from Cynara scolymus.
PURITY: ≥97% (HPLC)
APPEARANCE: Grey to yellow crystalline solid.
SOLUBILITY: Soluble in DMSO or 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.
IDENTITY: Identity determined by 1H-NMR, 13C-NMR and MS.

Product Description
Antioxidant. Shows antiproliferative activity.
Product Specific Literature References
Biochemistry on postharvest metabolism and deterioration of some tropical tuberous crops: I. Uritani; Bot. Bull. Acad. Sinica 40, 177 (1999)
In vitro antioxidative effects and tyrosinase inhibitory activities of seven hydroxycinnamoyl derivatives in green coffee beans: K. Iwai, et al.; J. Agric. Food Chem. 52, 4893 (2004) Abstract
Antioxidant and antiproliferative activities of sweet potato (Ipomoea batatas [L.] Lam "Tainong 57"): D.J. Huang, et al.; Bot. Bull. Acad. Sinica 45, 179 (2004)
Changes in caffeic acid derivatives in sweet potato (Ipomoea batatas L.) during cooking and processing: M. Takenaka, et al.; Biosci. Biotechnol. Biochem. 70, 172 (2006) Abstract; Full Text
Further Categories Containing This Product:
Active Substances from Fruit and Vegetables • Free Radical Scavengers • Phenolic Acids
 
 
ALX-350-323 Revised 20-Jun-08
Psoralidin
Add to Clipboard
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antitumor Reagents
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-323-M001   1 mg 170.00 USD Add To Cart
Product Specification
FORMULA: C20H16O5
MW: 336.3
CAS NUMBER: 18642-23-4
SOURCE/HOST: Isolated from Psoralea corylifolia.
PURITY: ≥97% (HPLC)
APPEARANCE: Yellow solid.
SOLUBILITY: Soluble in DMSO.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.
HAZARD: TOXIC.
IDENTITY: Identity determined by 1H-NMR, 13C-NMR and MS.

Product Description
Antineoplastic compound. Cytotoxic against stomach cancer cell lines. Shows antibacterial activity against Shigella sonnei and S. flexneri. Shows strong antioxidant activity and inhibits tyrosine phosphatase 1B (PTP1B) activity. Was shown to possess potent antidepressant properties.
Product Specific Literature References
Influence of nitrogen on accumulation of isosojagol (a newly detected coumestan in soybean) and associated isoflavonoids in roots and nodules of mycorrhizal and non-mycorrhizal soybean: D. Morandi and J.L. Le Quere; New Phytol. 117, 75 (1991) Full Text
The cytotoxicity of psoralidin from Psoralea corylifolia: Y.M. Yang, et al.; Planta Med. 62, 353 (1996) Abstract
Coumarins: A. Estevez-Braun and A.G. Gonzalez; Nat. Prod. Rep. 14, 465 (1997) Abstract
Cytotoxic constituents of Psoralea corylifolia: W. Mar, et al.; Arch. Pharm. Res. 24, 211 (2001) Abstract
Antibacterial compounds from the seeds of Psoralea corylifolia: N.A. Khatune, et al.; Fitoterapia 75, 228 (2004) Abstract
Inducible flavone in oats (Avena sativa) is a novel defense against plant-parasitic nematodes: I. R. Soriano, et al.; Nematology 94, 1207 (2004) Full Text
Antioxidants from a Chinese medicinal herb - Psoralea corylifolia L.: G. Jiangning, et al.; Food Chem. 91, 287 (2005)
In vitro protein tyrosine phosphatase 1B inhibitory phenols from the seeds of Psoralea corylifolia: Y.C. Kim, et al.; Planta Med. 71, 87 (2005) Abstract
Antidepressant-like effects of psoralidin isolated from the seeds of Psoralea Corylifolia in the forced swimming test in mice: L.T. Yi, et al.; Prog. Neuropsychopharmacol. Biol. Psychiatry 32, 510 (2008) Abstract
Further Categories Containing This Product:
Monoamine Neurotransmitters & Receptors Other Products • Antitumor Agents (Anti-proliferative) • Natural Products with Antibiotic Activity • Natural Products - Antioxidants • Natural Products - Other Signal Transduction Pathway Modulators • Protein Tyrosine Phosphatases Other Products
 
 
ALX-350-329 Revised 21-May-08
Allicin
Add to Clipboard
SYNONYMS 2-Propene-1-sulfinothioic acid S-2-propenyl ester
Diallyl thiosulfinate
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antioxidants
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-329-M001   1 mg 200.00 USD Add To Cart
ALX-350-329-M005   5 mg 690.00 USD Add To Cart
Product Specification
FORMULA: C6H10OS2
MW: 162.3
CAS NUMBER: 539-86-6
MERCK INDEX: 14: 261
SOURCE/HOST: Synthetic.
PURITY: ≥98%
APPEARANCE: Clear to slightly yellow liquid.
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C

Product Description
Active metabolite of garlic. Exhibits antimicrobial, antioxidant, antiproliferative, chemopreventive, antihyperlipidaemic and antihypertensive effects. Inhibits telomerase activity. Induces apoptosis. Also inhibits inducible nitric oxide synthase (iNOS; NOS II) expression.
Product Specific Literature References
Allicin from garlic strongly inhibits cysteine proteinases and cytopathic effects of Entamoeba histolytica: S. Ankri, et al.; Antimicrob. Agents Chemother. 41, 2286 (1997) Abstract
Effect of allicin and ajoene, two compounds of garlic, on inducible nitric oxide synthase: V.M. Dirsch, et al.; Atherosclerosis 139, 333 (1998) Abstract
Antimicrobial properties of allicin from garlic: S. Ankri & D. Mirelman; Microbes Infect. 1, 125 (1999), Review Abstract
Effect of purified allicin, the major ingredient of freshly crushed garlic, on cancer cell proliferation: K. Hirsch, et al.; Nutr. Cancer 38, 245 (2000) Abstract
The effects of allicin and enalapril in fructose-induced hyperinsulinemic hyperlipidemic hypertensive rats: A. Elkayam, et al.; Am. J. Hypertens. 14, 377 (2001) Abstract
Effects of allicin on both telomerase activity and apoptosis in gastric cancer SGC-7901 cells: L. Sun & X. Wang; World J. Gastroenterol. 9, 1930 (2003) Abstract
Allicin (from garlic) induces caspase-mediated apoptosis in cancer cells: S. Oommen, et al.; Eur. J. Pharmacol. 485, 97 (2004) Abstract
Antibacterial activity of a new, stable, aqueous extract of allicin against methicillin-resistant Staphylococcus aureus: R.R. Cutler & P. Wilson; Br. J. Biomed. Sci. 61, 71 (2004) Abstract
The pungency of garlic: activation of TRPA1 and TRPV1 in response to allicin: L.J. Macpherson, et al.; Curr. Biol. 15, 929 (2005) Abstract
An overview of the antifungal properties of allicin and its breakdown products--the possibility of a safe and effective antifungal prophylactic: S.R. Davis; Mycoses 48, 95 (2005), Review Abstract
Thiolsulfinate allicin from garlic: inspiration for a new antimicrobial agent: R. Hunter, et al.; Ann. N.Y. Acad. Sci. 1056, 234 (2005), Review Abstract
The antioxidant properties of garlic compounds: allyl cysteine, alliin, allicin, and allyl disulfide: L.Y. Chung; J. Med. Food 9, 205 (2006) Abstract
Effect of raw garlic vs commercial garlic supplements on plasma lipid concentrations in adults with moderate hypercholesterolemia: a randomized clinical trial: C.D. Gardner, et al.; Arch. Intern. Med. 167, 346 (2007) Abstract
Further Categories Containing This Product:
Active Substances from Fruit and Vegetables • NOS Inhibitors (NOS Induction & Enzyme Activity) • Natural Products - Chemopreventive Agents • Antitumor Agents (Anti-proliferative) • Natural Products with Antibiotic Activity • Natural Products - Nitric Oxide Pathway Modulators • Natural Products - Apoptosis Inducers & Inhibitors • TRPV1 Agonists and Antagonists / Related Products
 
 
ALX-350-331 Revised 19-Oct-07
Angoroside C
Add to Clipboard
SYNONYMS Isoangoroside C
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Anti-inflammatory Agents
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-331-M001   1 mg 30.00 USD Add To Cart
ALX-350-331-M005   5 mg 120.00 USD Add To Cart
Product Specification
FORMULA: C36H48O19
MW: 784.8
CAS NUMBER: 115909-22-3
SOURCE/HOST: Isolated from the root of Scrophularia ningpoensis Hemsl (Figwort).
PURITY: ≥98% (HPLC)
APPEARANCE: White to pale yellow powder.
SOLUBILITY: Soluble in methanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Hygroscopic.

Product Description
Potential anti-inflammatory compound. Inhibitor of prostaglandin E2 release in mouse peritoneal macrophages in vitro. Shows potent antioxidative activity in reducing the oxidized OH adducts of dAMP and dGMP. Reveals some trypanocidal potential.
Product Specific Literature References
Fast repairing of oxidized OH radical adducts of dAMP and dGMP by phenylpropanoid glycosides from Scrophularia ningpoensis Hemsl: Y.M. Li, et al.; Acta Pharmacol. Sin. 21, 1125 (2000) Abstract
Phenylpropanoid glycosides from Scrophularia scorodonia: in vitro anti-inflammatory activity: A.M. Diaz, et al.; Life Sci. 74, 2515 (2004) Abstract
Anti-protozoal and plasmodial FabI enzyme inhibiting metabolites of Scrophularia lepidota roots: D. Tasdemir, et al.; Phytochemistry 66, 355 (2005) Abstract
Further Categories Containing This Product:
Natural Products - Antioxidants
 
 
ALX-350-332 Revised 20-Oct-08
Celastrol
Add to Clipboard
SYNONYMS Tripterine
3-Hydroxy-24-nor-2-oxo-1(10),3,5,7-friedelatetraen-29-oic acid
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Anti-inflammatory Agents
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-332-M005   5 mg 65.00 USD Add To Cart
ALX-350-332-M025   25 mg 260.00 USD Add To Cart
Product Specification
FORMULA: C29H38O4
MW: 450.6
CAS NUMBER: 34157-83-0
SOURCE/HOST: Isolated from the root of Tripterygium sp.
PURITY: ≥98% (HPLC)
APPEARANCE: Red cubic crystals.
SOLUBILITY: Soluble in 100% ethanol, DMSO or dimethyl formamide; insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.

Product Description
Cell permeable triterpenoid; anti-inflammatory and immunosuppressive compound. Antioxidant. Suppresses LPS-induced cytokine release in macrophages and monocytes (IC50=40nM for IL-1β and IL-1α, 80nM for IL-6, 110nM for prostaglandin E2 and 210nM for IL-8 and TNF-α). Suppresses nitric oxide (NO) production (IC50=230nM) and LPS-induced NF-κB activation (IC50=270nM). Inhibits chymotrypsin-like activity of 20S proteasome (IC50=2.5µM). Inhibits lipid peroxidation induced by ADP and Fe2+ in rat liver mitochondria (IC50=7µM). Induces expression of a wider set of heat shock proteins. Inhibits topoisomerse II.
Product Specific Literature References
The triterpene celastrol as a very potent inhibitor of lipid peroxidation in mitochondria: H. Sassa, et al.; BBRC 172, 890 (1990) Abstract
Structural basis of potent antiperoxidation activity of the triterpene celastrol in mitochondria: effect of negative membrane surface charge on lipid peroxidation: H. Sassa, et al.; Free Radic. Biol. Med. 17, 201 (1994) Abstract
Novel cytokine release inhibitors. Part III: Truncated analogs of tripterine: W. He, et al.; Bioorg. Med. Chem. Lett. 8, 3659 (1998) Abstract
Celastrol, a potent antioxidant and anti-inflammatory drug, as a possible treatment for Alzheimer’s disease: A.C. Allison, et al.; Prog. Neuropsychopharmacol. Biol. Psychiatry 25, 1341 (2001) Abstract
Antiinflammatory constituents of Celastrus orbiculatus inhibit the NF-kappaB activation and NO production: H.Z. Jin, et al.; J. Nat. Prod. 65, 89 (2002) Abstract
Apoptosis induction in HL-60 cells and inhibition of topoisomerase II by triterpene celastrol: M. Nagase, et al.; Biosci. Biotechnol. Biochem. 67, 1883 (2003) Abstract; Full Text
Celastrol inhibits pro-inflammatory cytokine secretion in Crohn’s disease biopsies: G.F. Pinna, et al.; BBRC 322, 778 (2004) Abstract
Celastrols as inducers of the heat shock response and cytoprotection: S.D. Westerheide, et al.; J. Biol. Chem. 279, 56053 (2004) Abstract; Full Text
Celastrol protects against MPTP- and 3-nitropropionic acid-induced neurotoxicity: C. Cleren, et al.; J. Neurochem. 94, 995 (2005) Abstract
Celastrol blocks neuronal cell death and extends life in transgenic mouse model of amyotrophic lateral sclerosis: M. Kiaei, et al.; Neurodegener. Dis. 2, 246 (2005) Abstract
Celastrol, a triterpene extracted from the Chinese "Thunder of God Vine," is a potent proteasome inhibitor and suppresses human prostate cancer growth in nude mice: H. Yang, et al.; Cancer Res. 66, 4758 (2006) Abstract; Full Text
Celastrol, a novel triterpene, potentiates TNF-induced apoptosis and suppresses invasion of tumor cells by inhibiting NF-kappaB-regulated gene products and TAK1-mediated NF-kappaB activation: G. Sethi, et al.; Blood 109, 2727 (2007) Abstract
Induction of heat shock proteins in differentiated human and rodent neurons by celastrol: A.M. Chow & I.R. Brown; Cell Stress Chaperones 12, 237 (2007) Abstract
Further Categories Containing This Product:
Stress & Heat Shock Proteins Other Products • NF-kB Pathway Inhibitors • Natural Products - Topoisomerase Inhibitors • Natural Products - Antioxidants • Ubiquitin & Proteasome Other Products • Natural Products - Nitric Oxide Pathway Modulators • Natural Products - Immunomodulators
 
 
ALX-350-346 Revised 12-Sep-08
Silybin
Add to Clipboard
SYNONYMS Silibinin
2,3-Dihydro-3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-6-(3,5,7-trihydroxy-4-oxobenzopyran-2-yl)benzodioxin
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Chemopreventive Agents
Ordering Information
Product N