Flavonoidi e Polifenoli

<p>Applications Naturally occurring flavonic glycoside; rhamnoglycoside of Diosmetin. Capillary protectant.<br>References Damon, M., et al.: Arzneim.-Forsch., 37, 1149 (1987), Laurent, R., et al.: Int. Angiol., 7, 39 (1988), Tajana, A., et al.: Minerva Med., 79, 387 (1988),<br></p>

<p>Applications Pinocembrin is a flavanoid with antioxidant activity found in damiana, honey, and propolis. Recent studies show that Pinocembrin maybe be a therapeutic option in reducing cerebral ischemia/reperfusion injury as a result of its anti-oxidative and anti-apoptotic effects. Pinocembrin displayed neuroprotective effects in glutamate injury model partly by inhibiting p53 expression causing a lower Bax-Bcl-2 ratio and by inhibiting the release of cytochrome c.<br>References Zhao, J. et al.: J. Ethnopharmacol., 120, 387 (2008); Liu, R. et al.: Brain Res., 1216, 104 (2008); Gao, M. et al.: Eur. J. Pharmacol., 591, 73 (2008);<br></p>

<p>Impurity Diosmin EP Impurity C<br>Stability Hygroscopic<br>Applications Isorhoifolin (Diosmin EP Impurity C) is a naturally occurring flavonoid that was shown to exhibit potential antidiabetic, antihyperlipidemic and antioxidant effects.<br>References Bansa, P., et al.: Exp. Toxicol. Pathol.,64, 651 (2012); Negro, D., et al.: J. Food. Sci., 77, 244 (2012); Seo, O.N., et al.: Food. Chem., 134, 572 (2012);<br></p>

<p>Applications A protected caffeine metabolite with high antioxidant activity. It is a very sensitive biomarker for the consumption of relatively small amount of coffee.<br>References Buchanan, C., et al.: J. Sci. Food Agric., 71, 459 (1996), Andreasen, M., et al.: J. Agric. Food Chem., 49, 5679 (2001), Poquet, L., et al.: Drug Metab. Dispos., 36, 190 (2008),<br></p>

<p>Stability Hygroscopic, Light Sensitive<br>Applications Erythrosine B Disodium Salt is a derivative of fluorone and is used as a cherry-pink synthetic colour additives used on food products. Dyes and metabolites, Environmental Testing<br>References Xue, H., et al.: Adv. Mat. Res., 476, 2239 (2012); Harp, B. P., et al.: Food. Add. Contamin., 29, 886 (2012); Sarikaya, R., et al.: Chemosphere., 88, 974 (2012);<br></p>

<p>Applications Curcumin β-D-Glucuronide-d3 Sodium Salt is the labelled analogue of Curcumin β-D-Glucuronide Sodium Salt, which is a metabolite of Curcumin (C838510) in hepatic tissue and portal blood.<br>References Sharma, O., et al.: Biochem. Pharmacol., 25, 1811 (1976); Colletti, L., et al.: J. Clin. Invest., 85, 1936 (1990); Sharma, R., et al.: Clin. Cancer Res., 7, 1894 (2001);<br></p>

<p>Stability Hygroscopic<br>Applications Dihydrogenistein is a derivative of Genistein (G350000), a compound that exhibits specific inhibitory activity against tyrosine kinases,including autophosphorylation of epidermal growth factor receptor kinase.<br>References McLaughlin, J.M., et al.: Cancer. Prevent. Res., 5, 496 (2012); Magiera, S., et al.: J. Pharma. Biomed. Anal., 56, 93 (2011);<br></p>

<p>Applications 1,5-Dicaffeoylquinic Acid acts as an anti-hyperlipidemic agent. In addition, acts as a neuroprotective agent against amyloid-β toxicity in the treatement of Alzheimer’s.<br>References Gray, N. et al.: J. Alz. Dis., 40, 359 (2014); Liu, H. et al.: J. App. Pharm. Sci., 3, 016 (2013);<br></p>

<p>Applications 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 Gulcan, H., et al.: Chem. Res. Toxicol., 21, 1503 (2008), Toropov, A., et al.: Bioorg. Med. Chem., 16, 5999 (2008), Franco, A., et al.: Envir. Toxicol. Chem., 28, 2018 (2009), Jensen, S., et al.: J. Agric. Food Chem., 57, 5872 (2009),<br></p>

<p>Applications Sinensetin exhibits anti-fungal, anti-histamine activity; induce cell differentiation, inhibition of linoleic acid oxidation, inhibition of white blood cells in the human zona protein Interleukin -1-induced expression of tissue factor.<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 Elliott, A., et al.: Biochem. Pharmacol., 44, 1603 (1992), Furuta, S., et al.: J. Food Sci., 62, 526 (1997),<br></p>

<p>Applications Galangin is a flavanoid found in Alpinia officinarum, galangal rhizome (Alpinia galanga) and in propolis. Galangin has been show to inhibit proliferation of estrogen receptor-positive MCF-7 human breast cancer cells as well as delay of mammary tumorigenesis.<br>References So, F.V. et al.: Nutrit. Cancer, 26, 167 (1996); So, F. et al.: Cancer Lett., 112, 127 (1997); Ciolino, H.P. et al.: Br. J. Cancer, 79, 1340 (1999);<br></p>

<p>Applications A metabolite of the flavanoid Quercetin (Q509500) with antioxidant properties. It helps to protect H9c2 cardiomyoblasts against H2O2-induced oxidative stress via the modulation of PI3K/Akt and ERK1/2 signaling pathways.<br>References Duenas, M. et al.: Eur. Food Res. Technol., 232, 103 (2011); Ameho, C.K. et al.: J. Nutrit. Biochem., 19, 467 (2008); Angeloni, C. et al.: Biochimie, 89, 73 (2007);<br></p>

<p>Applications 8-Prenylnaringenin is a prenylflavonoid, a class on non-steroidal phytoestrogen that mimicks and/or modulating endogenous estrogens via estrogen receptor binding.<br>References Miyamoto, M. et al.: Planta Med., 64, 516 (1998); Kim, H.J. et al.: Arch. Pharm. Res., 31, 1241 (2008); Zierau, O. et al.: Mol. Cell. Endocrinol., 294, 92 (2008);<br></p>

<p>Applications The cis isomer of 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 Urolithin A is a major metabolite of ellagitannin and exhibits anti-inflammatory and antioxidant properties.<br>References Ishimoto, H., et. al.: Bioorg. Med. Chem. Lett., 21, 5901 (2011);<br></p>

<p>Stability Hygroscopic, Light Sensitive<br>Applications 13C-labelled Phenol (P318000).<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></p>

<p>Stability Light Sensitive<br>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 receptors 2. 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. 4395, Huang, R.Q.; Fang, M.J.; Dillon, G.H., Mol. Brain Res. 67: 177-183 (1999)<br></p>

<p>Applications (S)-Naringenin, an active flavanone, maintains antioxidative, anti-inflammatory and antitumorigenic activities. Used in the treatment of praquat (PQ)-induced oxidative stress.<br>References Podder, B. et al.: J. Microbiol. Biotech., 24, 605 (2014); Abd El Azim, M. et al.: Org. Chem. An Ind. J., 10,410 (2014);<br></p>

<p>Applications Isoorientin is a flavonoid compound that can be isolated from the passion flower, and several other species of plants. Isoorientin has also shown to exert antioxidant, anti-nociceptive, anti-inflammatory and gastroprotective activities in several studies.<br>References Alves, S.F., et al.: J. Pharma. Rsch., 4, 4621 (2011); Ma, X., et al.: J. Agri. Food. Chem., 60, 10844 (2012); Joubert, E., et al.: J. Agri. Food. Chem., 60, 9171 (2012);<br></p>

<p>Stability Hygroscopic<br>Applications rac-Hesperetin 7-O-β-D-Glucuronide is a metabolite of Hesperetin (H289500), which is the main circulating metabolite involved in osteoblast differentiation.<br>References Kim, D., et al.: J. Cell Biochem., 101, 790 (2007), Brand, W., et al.: Drug Metab. Dispos., 36, 1794 (2008)<br></p>