Flavonoids and Polyphenols

<p>Nordalbergin, a coumarin isolated from the bark of Dalbergia sissoo, can significantly induce the differentiation of HL-60 cells.</p>

<p>Applications Khellin is a compound present in the kella or picktooth fruit, used as a muscle relaxant.<br>References Shinde, P. et al.: Indian J. Nat. Prod. Res., 5, 40 (2014); Sztiller-Sikorska, M. et al.:<br></p>

<p>Applications 2-Chloro-3,5-dimethylphenol is an impurity in the synthesis of Chloroxylenol (C427950) an antiseptic and germicide. Chloroxylenol is used for mildew prevention. Chloroxylenol is also an antibacterial; antiseptic (topical and urinary).<br>References Heberer, T., et al.: Toxicol. Lett., 131, 5 (2002), Nikolaou, A., et al.: Anal. Bioanal. Chem., 387, 1225 (2007), Focazio, M., et al.: Sci. Total Environ., 402, 201 (2008), Miege, C., et al.: Environ. Pollut., 157, 1721 (2009),<br></p>

<p>Applications Exhibits specific inhibitory activity against tyrosine kinases,including autophosphorylation of epidermal growth factor receptor kinase (IC50 - 2.6uM). Also inhibits other protein kinases through competitive inhibition of ATP. Inhibits tumor cell proliferation and induces tumor cell differentiation. Produces cell-cycle arrest and apoptosis in Jurat T-leukemia cells. However, it prevents anti-CD3 monoclonal antibody-induced thymic apoptosis. Genistein also inhibits topoisomerase II activity in vitro. Genistein has also been shown to inhibit the action of GABA on recombinant GABAA receptors2. uv(max)ethanol: 262.5 nm (e= 138). moderately sol. in hot alcohol<br>References Akiyama, T., et al.: J. Biol. Chem., 262, 5592 (1987), O'Dell, T.J., et al.: Nature, 353, 588 (1991), Aharonovits, O., et al.: Biochim Biophys. Acta, 1112, 181 (1992), Platanias, L.C., et al.: J. Biol. Chem., 267, 24053 (1992), Yoshida, H., et al.: Biochim. Biophys. Acta, 1137, 321 (1992), Uckun, F.M., et al.: Science, 267, 886 (1995)Merck Index 12th ed. 43952. Huang, R.Q.; Fang, M.J.; Dillon, G.H., Mol. Brain Res. 67: 177-183 (1999)<br></p>

<p>Applications 2,4,5-Trichlorophenol-d2 is the labelled analogue of 2,4,5-Trichlorophenol (T774145), which is used as a broad range pesticide against insects, fungi, vegetation and bacteria. It has become a common environmental contaminant and probable human carcinogen.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Amer, S. et al.: Cytologia, 39, 633 (1974); Xu, X. wt l.: Occup. Environ. Med., 68, 557 (2011); Sinclair, C.J. et al.: Environ. Sci. Technol., 37, 4617 (2003);<br></p>

<p>Applications A major Lidocaine metabolite.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Falany, C., et al.: Drug Metab. Disposition, 27, 1057 (1999), Gan, J., et al.: Chem. Res. Toxicol., 14, 672 (2001), Lienert, J., et al.: Envir. Sci. Technol., 41, 4471 (2007),<br></p>

<p>Stability Light Sensitive<br>Applications 4'-O-Methylresveratrol is an impurity of resveratrol (R150000), an anticancer agent that has been shown to inhibit events associated with tumor initiation, promotion and progression.<br>References Powell, R.G., et al.: Phytochemistry, 35, 335 (1994), Jeandet, P., et al.: J. Phytopathol., 143, 135 (1995), Mattivi, F., et al.: J. Agric. Food Chem., 43, 1820 (1995),<br></p>

<p>Applications Dihydroresveratrol is a natural phytoestrogen.<br></p>

<p>Applications Diosmetin 3’,7-Diglucuronide-d3 is labelled Diosmetin 3’,7-Diglucuronide (D485040), a metabolite of Diosmetin (D485000) which is a flavonoid often administered in the treatment of chronic venous insufficiency, hemorrhoids, and related affections.<br>References Silverstro, L., et al.: Anal. Bioanal. Chem., 405, 8295 (2013); Boutin, J., et al.; Drug Metab. Dispos., 21, 1157 (1993)<br></p>

<p>Stability Hygroscopic, Moisture Sensitive<br>Applications Triclosan O-Sulfate is a metabolite of the bacteriostat, Triclosan (T774250).<br>References Wu, J. et al.: Sepu, 27, 724 (2009);<br></p>

<p>Applications 27-Deoxyactein has shown stimulation of osteoblast function and inhibits bone resorbing mediators in the treatment of osteoporosis. It is a derivative of Actein (A191800), a gamma secretase modulators derived from botanicals.<br>References Choi, E. et al. J. App. Toxicol., 33, 190 (2010); Findeis, M. et al.: ACS. Chem. Neurosci., 3, 941 (2012); Einbond, L. et al.: Fund. Clin. Pharm., 23, 311 (2009);<br></p>

<p>Applications Triclosan (3',5',6'-d3) O-β-D-Glucuronide Sodium Salt is an isotope labelled compound of Triclosan O-β-D-Glucuronide Sodium Salt (T774260), a metabolite of Triclosan (T774250).<br>References Moss, T. et al.: Food Chem. Toxicol., 38, 361 (2000); Wu, J. et al.: Sepu, 27, 724 (2009);<br></p>

<p>Stability Light Sensitive<br>Applications Urolithin B Glucuronide counteracts trimethylamine-N-oxide (TMAO)-induced cell damage and other detrimental effects of the cardiovascular systems triggered by TMAO.<br>References Savi, M., et al.: Molecules, 23, 549 (2018)<br></p>

<p>Applications Secoisolariciresinol diglucoside (SDG) is a lignan found in flaxseed and is an emerging source in the functional food area. Flaxseed is the richest source of the lignan secoisolariciresinol diglucoside (SDG). SDG metabolites may protect against CVD and the metabolic syndrome by reducing lipid and glucose concentration, lowering blood pressure, and decreasing oxidative stress and inflammation.<br>References Lucas, E., et al.: J. Clin. Endocrinol Metab., 87, 1527 (2002), Choo, W., et al.: J. Food Compost. Anal., 20, 202 (2007), Sicilia, T., et al.: J. Agric. Food Chem., 51, 1181 (2003),<br></p>

<p>Applications trans-Piceatannol-d3 is an isotope labelled compound of trans-Piceatannol (P436300), which is human metabolite of Resveratrol (R150000).<br>References Athar, M., et al.: Toxicol. Appl. Pharmacol., 224, 274 (2007), Bernhardt, R., et al.: J. Biotechnol., 124, 128 (2006), Fairman, D.A., et al.: Drug Metab. Dispos., 35, 2159 (2007),<br></p>

<p>Applications (S)-Hesperetin is the aglucon of Hesperidin (H281185), a flavanone found in citrus fruits.<br>References Tsujimoto, M., et al.: Biol. Pharm. Bull., 32, 671 (2009), Wang, H., et al.: J. Pharm. Biomed. Anal., 49, 1157 (2009), Lee, S,. et al.: Bioorg. Med. Chem. Lett., 19, 2116 (2009)<br></p>

<p>Stability Hygroscopic<br>Applications Urolithin D is used in biological studies to evaluate DNA gyrase inhibitory activity of ellagic acid derivatives.<br>References Weidner-Weels, M. A., et al: Bioorg. Med. Chem. Lett., 8, 97 (1998)<br></p>

<p>Applications Silychristin is a new natural product has been isolated from silymarin, the hepatoprotective extract of milk thistle (Silybum marianum) fruits. Silychristin has been shown to be an antihepatotoxic flavonolignan.<br>References Smith, W.A., et al.: Planta. Med., 71, 877 (2005); Hong, L., et al.: Process. Biochem., 45, 799 (2010); Hitoshi, T., et al.: J. Chem. Soc., 11, 749 (1988);<br></p>

<p>Applications Protected Curcumin (C838500). A natural phenolic compound. Potent anti-tumor agent having anti-inflammatory and anti-oxidant properties. Induces apoptosis in cancer cells and inhibits phorbol ester-induced protein kinase C (PKC) activity. Reported to inhibit production of inflammatory cytokines by peripheral blood monocytes and alveolar macrophages. Potent inhibitor of EGFR tyrosine kinase and IκB kinase. Inhibits inducible nitric oxide synthase (iNOS), cycloxygenase and lipoxygenase. Easily penetrates into the cytoplasm of cells, accumulating in membranous structures such as plasma membrane, endoplasmic reticulum and nuclear envelope.<br>References Srinivasan, et al.: J. Pharm. Pharmacol., 5, 448 (1953), Tu, B., et al.: J .Cell Biol., 164, 341 (2004), Xu, G., et al.: Biochemistry, 44, 9817 (2005), Johnson, J., et al.: Cancer Lett., 255, 170 (2007),<br></p>

<p>Applications A metabolite of trans Resveratrol.<br>References Banerjee, S., et al.: Cancer Res., 62, 4945 (2002), Wang, L., et al.: J. Pharm. Sci., 93, 2448 (2004), Provinciali, M., et al.: Int. J. Cancer, 115, 36 (2005), Lancon, A., et al.: Drug Metab. Dispos., 35, 699 (2007),<br></p>

<p>Stability Light Sensitive<br>Applications Cannflavin A exhibits cyclooxygenase and lipoxygenase inhibition; some of its constituents have anti-inflammatory therapeutic potential.<br>References Evans, A.; et al.: Biochem. Pharmacol, 36, 2035 (1987)<br></p>

<p>Applications Methyl trans-Cinnamate is one of the odour active compounds of Tahitian vanilla flavour and basil oil. Methyl trans-Cinnamate is naturally found in Magnolia liliflora oil, which is used to create a variety of nematicides. Methyl trans-Cinnamate also inhibits mushroom tyrosinase and has antimicrobial effects against Escherechia coli in food.<br>References Adams, A., et al.: J. Am. Oil Chem. Soc., 88, 201 (2011); Blank, A., et al.: Ind. Crop. Prod., 38, 93 (2012); Brunschwig, C., et al.: Food Res. Int., 46, 148 (2012); Huang, Q., et al.: J. Agr. Food Chem., 57, 2565 (2009)<br></p>

<p>Riboflavin Tetrabutyrate is a lipophilic flavin derivative. Riboflavin Tetrabutyrate has antioxidative and lipid peroxide-removing activity.</p>

<p>Pyrogallol triacetate is used as an antiasthmatic.</p>

<p>5,7-Dihydroxycoumarin is a natural product isolated from the dichloromethane extract of the inflorescences of Macaranga triloba.</p>

<p>Licodione is a Cytochrome P450 Monooxygenase Catalyzing 2-Hydroxylation of 5-Deoxyflavanone.</p>

<p>Isosalipurposide, a chalcone compound, exerts a cytoprotective effect against oxidative injury via Nrf2 activation.</p>

<p>Leptospermone is an essential oil from Leptospermum scoparium (manuka oil).</p>

<p>(E)-Cinnamamide (trans-Cinnamamide) is the less active isomer of Cinnamamide which is an effective non-lethal chemical repellent suitable for reducing avian</p>

<p>RS-0406: A β-flake blocker, reverses Aβ toxicity, protects in vitro, and halts behavior decline in vivo.</p>

<p>Ensaculin, a benzopyrone-piperazine compound, enhances memory, protects neurons, and may treat dementia.</p>

<p>Luteolin 7-sulfate from Phyllospadix iwatensis inhibits melanin production by disrupting CREB/MITF signaling.</p>

<p>Malvone A is a compound with antifungal properties found in Malva sylvestris, with an ED50 of 24 μg/mL against V. dahliae. It is applicable in research focused on anti-infective solutions.</p>

<p>Equisetin: a QSI from Fusarium equiseti, curbs P. aeruginosa virulence, fights Gram-positive bacteria &amp; HIV-1 integrase; not antibacterial to Gram-negative.</p>

<p>Hispidulin-7-O-glucoside analytical standard provided with w/w absolute assay, to be used for quantitative titration.</p>

<p>Nepetin-7-O-glucoside analytical standard provided with w/w absolute assay, to be used for quantitative titration.</p>

<p>Hispidulin analytical standard provided with w/w absolute assay, to be used for quantitative titration.</p>

<p>Dalbergin analytical standard provided with chromatographic purity, to be used as reference material for qualitative determination.</p>