Flavonoids and Polyphenols

Stability Hygroscopic, Light Sensitive
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
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);

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

Applications Tyrosol-d4 is the isotope labelled analog of Tyrosol (T947800); a phenolic antioxidant.
References Perez-Trujillo, M., et al.: J. Agric. Food Chem., 58, 9129 (2010); Gregus, P., et al.: J. Pharm. Biomed. Anal., 53, 674 (2010)

Applications A caffeine metabolite which showed high antioxidant activity. It is a very sensitive biomarker for the consumption of relatively small amount of coffee.
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),

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.
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);

Applications Hydroxylated flavone derivative with strong anti-oxidant and radical scavenging properties. Suggested to play a role in cancer prevention.
References Shimoi, L., et al.: Carcinogenesis, 15, 2669 (1994), Bors, W., et al.: Meth. Enzymol., 234, 420 (1994)Merck Index 12th ed. 5641