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Active Substances from Fruit and Vegetables
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ALX-350-248 Revised 23-Jun-05
Daidzin
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SYNONYMS Daidzein-7-O-glucoside
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Chemopreventive Agents
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-248-M002   2 mg 75.00 USD Add To Cart
ALX-350-248-M010   10 mg 290.00 USD Add To Cart
Product Specification
FORMULA: C21H20O9
MW: 416.4
CAS NUMBER: 552-66-9
MERCK INDEX: 14: 2801
PURITY: ≥98%
APPEARANCE: White to beige powder.
SOLUBILITY: Soluble in DMSO or dilute aqueous base; insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C

Product Description
Glucoside of the isoflavone daidzein (Prod. No. ALX-350-009) found in soy beans.
Product Specific Literature References
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
Daidzin and its antidipsotropic analogs inhibit serotonin and dopamine metabolism in isolated mitochondria: W.M. Keung & B.L. Vallee; PNAS 95, 2198 (1998) Abstract
Daidzein and genistein but not their glucosides are absorbed from the rat stomach: M.K. Piskula, et al.; FEBS Lett. 447, 287 (1999) Abstract
Further Categories Containing This Product:
Active Substances from Fruit and VegetablesIsoflavones
 
 
ALX-385-028 Revised 03-Apr-08
Delphinidin chloride (high purity)
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Anthocyanidins
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ALX-385-028-M010   10 mg 460.00 USD Add To Cart
Product Specification
FORMULA: C15H11ClO7
MW: 338.7
CAS NUMBER: 528-53-0
RTECS: DK1310000
PURITY: ≥97% (HPLC)
APPEARANCE: Red to dark brown powder.
SOLUBILITY: Soluble in water or DMSO.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light and moisture.

Product Description

Anthocyanidin with antioxidant effect found in pigmented fruits and vegetables. Shown to inhibit angiogenesis and endothelial cell apoptosis by stimulating nitric oxide (NO) production. Inhibits solar radiation (UVB)-mediated oxidative stress, reducing DNA damage.

Product Specific Literature References
Delphinidin, an active compound of red wine, inhibits endothelial cell apoptosis via nitric oxide pathway and regulation of calcium homeostasis: S. Martin, et al.; Br. J. Pharmacol. 139, 1095 (2003) Abstract; Full Text
Anthocyanins induce cell cycle perturbations and apoptosis in different human cell lines: M.C. Lazzè; Carcinogenesis 25, 1427 (2004) Abstract; Full Text
DNA interaction with naturally occurring antioxidant flavonoids quercetin, kaempferol, and delphinidin: C.D. Kanakis, et al.; J. Biomol. Struct. Dyn. 22, 719 (2005) Abstract
Delphinidin and cyanidin inhibit PDGF(AB)-induced VEGF release in vascular smooth muscle cells by preventing activation of p38 MAPK and JNK: M.H. Oak, et al.; Br. J. Pharmacol. 149, 283 (2006) Abstract; Full Text
Delphinidin, a dietary anthocyanidin, inhibits vascular endothelial growth factor receptor-2 phosphorylation: S. Lamy, et al.; Carcinogenesis 27, 989 (2006) Abstract; Full Text
Delphinidin, an anthocyanidin in pigmented fruits and vegetables, protects human HaCaT keratinocytes and mouse skin against UVB-mediated oxidative stress and apoptosis: F. Afaq, et al.; J. Invest. Dermatol. 127, 222 (2007) Abstract; Full Text
 
 
ALX-385-031 Revised 07-Oct-08
Diosmin
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SYNONYMS 3’,5,7-Trihydroxy-4’-methoxyflavone 7-rutinoside
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Flavones
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ALX-385-031-G005   5 g 30.00 USD Add To Cart
ALX-385-031-G025   25 g 90.00 USD Add To Cart
Product Specification
FORMULA: C28H32O15
MW: 608.5
CAS NUMBER: 520-27-4
MERCK INDEX: 14: 3297
SOURCE/HOST: Isolated from Citrus aurantium L. and Citrus reticulate Blanca.
PURITY: ≥90% (HPLC)
APPEARANCE: Light yellow to brown yellow powder.
SOLUBILITY: Soluble in DMSO (50mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
IDENTITY: Determined by IR.

Product Description

Flavonoid glycoside. Reduces venous hyperpressure. Reduces capillary hyperpermeability and the expression of endothelial adhesion molecules (ICAM1, VCAM1). Effectively inhibits the P-glycoprotein (Pgp)-mediated efflux in cells. Anti-inflammatory.

Product Specific Literature References
Clinical trial of oral diosmin (Daflon) in the treatment of hemorrhoids: W. Thanapongsathorn & T. Vajrabukka; Dis. Colon Rectum 35, 1085 (1992) Abstract
Amine uptake inhibition by diosmin and diosmetin in human neuronal and neuroendocrine cell lines: E. Sher, et al.; Pharmacol. Res. 26, 395 (1992) Abstract
Antioxidant activity of micronized diosmin on oxygen species from stimulated human neutrophils: B. Cypriani, et al.; Biochem. Pharmacol. 45, 1531 (1993) Abstract
Diosmin-induced increase in sensitivity to Ca2+ of the smooth muscle contractile apparatus in the rat isolated femoral vein: J.P. Savineau & R. Marthan; Br. J. Pharmacol. 111, 978 (1994) Abstract; Full Text
Venous elasticity after treatment with Daflon 500 mg: V. Ibegbuna, et al.; Angiology 48, 45 (1997) Abstract
Chemopreventive effects of diosmin and hesperidin on N-butyl-N-(4-hydroxybutyl)nitrosamine-induced urinary-bladder carcinogenesis in male ICR mice: M. Yang, et al.; Int. J. Cancer 73, 719 (1997) Abstract
Diosmin and diosmetin are agonists of the aryl hydrocarbon receptor that differentially affect cytochrome P450 1A1 activity: H.P. Ciolino, et al.; Cancer Res. 58, 2754 (1998) Abstract; Full Text
Modulation by phytochemicals of cytochrome P450-linked enzyme activity: R.W. Teel & H. Huynh; Cancer Lett. 133, 135 (1998) Abstract
Inhibition of lipopolysaccharide (LPS)-induced endothelial cytotoxicity by diosmin: M.F. Melzig & R. Loose; Pharmazie 54, 298 (1999) Abstract
Anti-inflammatory activity of diosmin and hesperidin in rat colitis induced by TNBS: M.E. Crespo, et al.; Planta Med. 65, 651 (1999) Abstract
Further investigation of the modifying effect of various chemopreventive agents on apoptosis and cell proliferation in human colon cancer cells: Q. Zheng, et al.; J. Cancer Res. Clin. Oncol. 128, 539 (2002) Abstract
The effect of diosmin hesperidin on intestinal ischaemia--reperfusion injury: M. Pehlivan, et al.; Acta Chir. Belg. 104, 715 (2004) Abstract
Treatment of metastatic melanoma B16F10 by the flavonoids tangeretin, rutin, and diosmin: C. Martinez Conesa, et al.; J. Agric. Food Chem. 53, 6791 (2005) Abstract
 
 
ALX-270-263 Revised 03-Apr-08
(-)-Epigallocatechin gallate
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SYNONYMS EGCG
(2R,3R)-2-(3,4,5-Trihydroxyphenyl)-3,4-dihydro-1[2H]-benzopyran-3,5,7-triol 3-(3,4,5-trihydroxybenzoate)
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antioxidants
Ordering Information
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ALX-270-263-M010   10 mg 20.00 USD Add To Cart
ALX-270-263-M050   50 mg 60.00 USD Add To Cart
Product Specification
FORMULA: C22H18O11
MW: 458.4
CAS NUMBER: 989-51-5
MERCK INDEX: 14: 3526
SOURCE/HOST: Isolated from green tea.
PURITY: ≥98% (HPLC)
APPEARANCE: Off-white to yellow powder.
SOLUBILITY: Soluble in 100% ethanol, dimethyl formamide or DMSO; slightly soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
USE/STABILITY: Stock solutions in DMSO are stable for up to 3 months when stored at -20°C.
HANDLING: After reconstitution, prepare aliquots and store at -20°C. Keep under inert gas. Protect from light.

Product Description
Antitumor reagent. Antioxidant. Protects cells from lipid peroxidation and DNA damage induced by reactive free radicals. Inhibits inducible nitric oxide synthase (iNOS; NOS II). Chemopreventive anticancer agent. Induces apoptosis in human cancer cell lines. Inhibits MAP kinase mediated signalling pathways. Inhibits angiogenesis. Inhibits telomerase and DNA methyltransferase. Anti-inflammatory agent.
Product Specific Literature References
Inhibitory effect of topical application of a green tea polyphenol fraction on tumor initiation and promotion in mouse skin: M.T. Huang, et al.; Carcinogenesis 13, 947 (1992) Abstract
Inhibition of 12-O-tetradecanoylphorbol-13-acetate and other skin tumor-promoter-caused induction of epidermal interleukin-1 alpha mRNA and protein expression in SENCAR mice by green tea polyphenols: S.K. Katiyar, et al.; J. Invest. Dermatol. 105, 394 (1995) Abstract
Growth inhibition and regression of human prostate and breast tumors in athymic mice by tea epigallocatechin gallate: S. Liao, et al.; Cancer Lett. 96, 239 (1995) Abstract
Inhibition of N-methyl-N'-nitro-N-nitrosoguanidine-induced carcinogenesis by (-)-epigallocatechin gallate in the rat glandular stomach: T. Yamane, et al.; Cancer Res. 55, 2081 (1995) Abstract
(-)-Epigallocatechin gallate, a polyphenolic tea antioxidant, inhibits peroxynitrite-mediated formation of 8-oxodeoxyguanosine and 3-nitrotyrosine: E.S. Fiala, et al.; Experientia 52, 922 (1996) Abstract
Green tea constituent epigallocatechin-3-gallate and induction of apoptosis and cell cycle arrest in human carcinoma cells: N. Ahmad, et al.; J. Natl. Cancer Inst. 89, 1881 (1997) Abstract
Inhibition of inducible nitric oxide synthase gene expression and enzyme activity by epigallocatechin gallate, a natural product from green tea: M.M. Chan, et al.; Biochem. Pharmacol. 54, 1281 (1997) Abstract
(-)-Epigallocatechin-3-gallate blocks the induction of nitric oxide synthase by down-regulating lipopolysaccharide-induced activity of transcription factor nuclear factor-kappaB: Y.L. Lin & J.K. Lin; Mol. Pharmacol. 52, 465 (1997) Abstract
Telomerase inhibition, telomere shortening, and senescence of cancer cells by tea catechins: I. Naasani, et al.; BBRC 249, 391 (1998) Abstract
Epigallocatechin suppression of proliferation of vascular smooth muscle cells: correlation with c-jun and JNK: L.H. Lu, et al.; Br. J. Pharmacol. 124, 1227 (1998) Abstract
ESR study on the structure-antioxidant activity relationship of tea catechins and their epimers: Q. Guo, et al.; Biochim. Biophys. Acta 1427, 13 (1999) Abstract
Pharmacokinetics of the green tea derivative, EGCG, by the topical route of administration in mouse and human skin: K. Dvorakova, et al.; Cancer Chemother. Pharmacol. 43, 331 (1999) Abstract
Polyphenolic antioxidant (-)-epigallocatechin-3-gallate from green tea reduces UVB-induced inflammatory responses and infiltration of leukocytes in human skin: S.K. Katiyar, et al.; Photochem. Photobiol. 69, 148 (1999) Abstract
Antioxidant chemistry of green tea catechins. Identification of products of the reaction of (-)-epigallocatechin gallate with peroxyl radicals: S. Valcic, et al.; Chem. Res. Toxicol. 12, 382 (1999) Abstract
Antimutagenic and anticarcinogenic activity of tea polyphenols: Y. Kuroda & Y. Hara; Mutat. Res. 436, 69 (1999) Abstract
Inhibitory effect of green and black tea on tumor growth: A.H. Conney, et al.; Proc. Soc. Exp. Biol. Med. 220, 229 (1999) Abstract
Green tea epigallocatechin gallate: a natural inhibitor of fatty-acid synthase: X. Wang & W. Tian; BBRC 288, 1200 (2001) Abstract
Epigallocatechin gallate, a constituent of green tea, represses hepatic glucose production: M.E. Waltner-Law, et al.; J. Biol. Chem. 277, 34933 (2002) Abstract; Full Text
The specificities of protein kinase inhibitors: an update:: J. Bain, et al.; Biochem. J. 371, 199 (2003) Abstract; Full Text
Selective inhibition of ADAMTS-1, -4 and -5 by catechin gallate esters: M.N. Vankemmelbeke, et al.; Eur. J. Biochem. 270, 2394 (2003) Abstract
Epigallocatechin-3-gallate, constituent of green tea, suppresses the LPS-induced phenotypic and functional maturation of murine dendritic cells through inhibition of mitogen-activated protein kinases and NF-kappaB: S.C. Ahn, et al.; BBRC 313, 148 (2004) Abstract
Epigallocatechin-3-gallate inhibits epidermal growth factor receptor signaling pathway. Evidence for direct inhibition of ERK1/2 and AKT kinases: J.F. Sah, et al.; J. Biol. Chem. 279, 12755 (2004) Abstract
Inhibition of c-Jun NH2-terminal kinase activity improves ischemia/reperfusion injury in rat lungs: M. Ishii, et al.; J. Immunol. 172, 2569 (2004) Abstract
A constituent of green tea, epigallocatechin-3-gallate, activates endothelial nitric oxide synthase by a phosphatidylinositol-3-OH-kinase-, cAMP-dependent protein kinase-, and Akt-dependent pathway and leads to endothelial-dependent vasorelaxation: M. Lorenz, et al.; J. Biol. Chem. 279, 6190 (2004) Abstract; Full Text
Green tea polyphenols prevent toxin-induced hepatotoxicity in mice by down-regulating inducible nitric oxide-derived prooxidants: J.H. Chen, et al.; Am. J. Clin. Nutr. 80, 742 (2004) Abstract; Full Text
Neuroprotective effects of (-)-epigallocatechin gallate following hypoxia-ischemia-induced brain damage: novel mechanisms of action: B.A. Sutherland, et al.; FASEB J. 19, 258 (2005) Abstract; Full Text
Tea flavanols inhibit angiotensin-converting enzyme activity and increase nitric oxide production in human endothelial cells: I.A. Persson, et al.; J. Pharm. Pharmacol. 58, 1139 (2006) Abstract
General Literature References
Anticarcinogenic effects of (-)-epigallocatechin gallate: H. Fujiki, et al.; Prev. Med. 21, 503 (1992), (Review) Abstract
Absorption, metabolism and antioxidative effects of tea catechin in humans: T. Miyazawa; Biofactors 13, 55 (2000), (Review) Abstract
Inhibition of tumour invasion and angiogenesis by epigallocatechin gallate (EGCG), a major component of green tea: Y.D. Jung and L.M. Ellis; Int. J. Exp. Pathol. 82, 309 (2001), (Review) Abstract
Anti-invasive effects of green tea polyphenol epigallocatechin-3-gallate (EGCG), a natural inhibitor of metallo and serine proteases: R. Benelli, et al.; Biol. Chem. 383, 101 (2002), (Review) Abstract
 
 
ALX-350-123 Revised 25-Apr-08
Eugenol (high purity)
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SYNONYMS 2-Methoxy-4-(2-propenyl)phenol (high purity)
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products for Neurological Research
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ALX-350-123-G001   1 g 10.00 USD Add To Cart
Product Specification
FORMULA: C10H12O2
MW: 164.2
CAS NUMBER: 97-53-0
MERCK INDEX: 14: 3898
RTECS: SJ4375000
SOURCE/HOST: Isolated from clove oil, nutmeg, cinnamon and bay leaf.
APPEARANCE: Colorless to pale yellow liquid.
SOLUBILITY: Soluble in 100% ethanol, ether, oils; insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: PROTECT FROM AIR!
HAZARD: HARMFUL. MAY BE CARCINOGENIC.

Product Description
TRPV1 agonist. Analgesic. Has antifungal, antimicrobial and antioxidant properties.
Product Specific Literature References
Activation of vanilloid receptor 1 (VR1) by eugenol: B.H. Yang, et al.; J. Dent. Res. 82, 781 (2003) Abstract
Study of anticandidal activity of carvacrol and eugenol in vitro and in vivo: N. Chami, et al.; Oral. Microbiol. Immunol. 20, 106 (2005) Abstract
A comparative study of the antioxidant/prooxidant activities of eugenol and isoeugenol with various concentrations and oxidation conditions: T. Atsumi, et al.; Toxicol. In Vitro 19, 1025 (2005) Abstract
Pharmacokinetics and anesthetic activity of eugenol in male Sprague-Dawley rats: S.A. Guenette, et al.; J. Vet. Pharmacol. Ther. 29, 265 (2006) Abstract
In vitro activity of eugenol against Candida albicans biofilms: M. He, et al.; Mycopathologia 163, 137 (2007) Abstract
Antimicrobial efficacy of eugenol microemulsions in milk against Listeria monocytogenes and Escherichia coli O157:H7: S. Gaysinsky, et al.; J. Food Prot. 70, 2631 (2007) Abstract
 
 
ALX-460-006 Revised 08-Oct-07
Folic acid
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SYNONYMS Pteroylglutamic acid
PRODUCT LINE Signal Transduction
PRODUCT CATEGORY Folic Acid & Folate Receptors / Related Products
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ALX-460-006-G010   10 g 28.00 USD Add To Cart
Product Specification
FORMULA: C19H19N7O6
MW: 441.4
CAS NUMBER: 59-30-3
MERCK INDEX: 14: 4221
PURITY: ≥97%
APPEARANCE: Yellow to orange powder.
SOLUBILITY: Soluble in diluted acids or alkaline solutions; slightly soluble in water or methanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
USE/STABILITY: Alkaline solutions are reasonably stable. Other solutions may be light and heat sensitive.

 
 
ALX-270-312 Revised 04-Dec-08
Formononetin (high purity)
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SYNONYMS 7-Hydroxy-4’-methoxyisoflavone (high purity)
7-Hydroxy-3-(4’-methoxyphenyl)-4H-benzopyran-4-one (high purity)
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Isoflavones
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-270-312-M005   5 mg 140.00 USD Add To Cart
Product Specification
FORMULA: C16H12O4
MW: 268.3
CAS NUMBER: 485-72-3
MERCK INDEX: 14: 4244
PURITY: ≥97% (HPLC, TLC)
APPEARANCE: White to greyish powder.
SOLUBILITY: Soluble in DMSO (200mg/ml) or methanol (2mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
USE/STABILITY: Place in a desiccator under vacuum for 48 hours before use.
HANDLING: Protect from light.

Product Description
Interacts with human estrogen receptors with low potency. Enhances IL-4 production in a dose-dependent manner. Inhibits lecithin peroxidation induced by hydroxyl radicals. Selective inhibitor of the γ-isoform of alcohol dehydrogenase. Antioxidant.
Product Specific Literature References
Interaction of naturally occurring nonsteroidal estrogens with expressed recombinant human estrogen receptor: R.J. Miksicek; J. Steroid Biochem. Mol. Biol. 49, 153 (1994) Abstract
Dietary estrogenic isoflavones are potent inhibitors of beta-hydroxysteroid dehydrogenase of P. testosteronii: W.M. Keung; BBRC 215, 1137 (1995) Abstract
Proliferative response of mammary glandular tissue to formononetin: W. Wang, et al.; Nutr. Cancer 23, 131 (1995) Abstract
Antioxidant activity of phytoestrogenic isoflavones: M.B. Ruiz-Larrea, et al.; Free Radic. Res. 26, 63 (1997) Abstract
Inhibitory effects of isoflavones on lipid peroxidation by reactive oxygen species: S. Toda and Y. Shirataki; Phytother. Res. 13, 163 (1999) Abstract
Isoflavonoids and lignans have different potentials to modulate oxidative genetic damage in human colon cells: B.L. Pool-Zobel, et al.; Carcinogenesis 21, 1247 (2000) Abstract
Disposition of flavonoids via enteric recycling: enzyme-transporter coupling affects metabolism of biochanin A and formononetin and excretion of their phase II conjugates: X. Jia, et al.; J. Pharmacol. Exp. Ther. 310, 1103 (2004) Abstract
Formononetin, a phyto-oestrogen, and its metabolites up-regulate interleukin-4 production in activated T cells via increased AP-1 DNA binding activity: J. Park, et al.; Immunology 116, 71 (2005) Abstract
 
 
ALX-350-006 Revised 05-Apr-08
Genistein (synthetic)
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SYNONYMS 4',5,7-Trihydroxyisoflavone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Protein Kinase Inhibitors
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-006-M010   10 mg 25.00 USD Add To Cart
ALX-350-006-M025   25 mg 50.00 USD Add To Cart
ALX-350-006-M050   50 mg 90.00 USD Add To Cart
ALX-350-006-M100   100 mg 150.00 USD Add To Cart
ALX-350-006-G001   1 g 480.00 USD Add To Cart
Product Specification
FORMULA: C15H10O5
MW: 270.2
CAS NUMBER: 446-72-0
MERCK INDEX: 14: 4391
RTECS: NR2392000
SOURCE/HOST: Synthetic.
PURITY: ≥99% (HPLC)
APPEARANCE: White to yellow crystalline powder.
SOLUBILITY: Soluble in DMSO, 100% ethanol or dilute aqueous base; insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Protect from light.