Vitamine

<p>Applications L-Proline is an amino acid and precursor (with vitamin C) for collagen, the building block of the structure of tendons, ligaments, arteries, veins and muscles. It is important in wound healing.<br>References Bondarenko, L.B., et al.: Int. J. Peptides., 2, 1687 (2012); Rimer, T., et al.: Biomacromolecules, 13, 2110 (2012);<br></p>

<p>Stability Light Sensitive<br>Applications α-Tocopherol is the most bioactive of the naturally occurring forms of Vitamin E. Richest sources are green vegetables, grains, and oils, particularly palm, safflower and sunflower oils.<br>References Bianchi, G., et al.: Eur. J. Lipid Sci. Technology, 105, 229 (2003), Sakouhi, F., et al.: Food Chem., 108, 833 (2008),<br></p>

<p>Applications Menaquinones are isoprenoid quinones of the naphthalene series and belongs to the K2 Vitamin homologs. Menaquinones were originally discovered as the anti-hemorrhagic factor and now encompasses a variety of physiological processes. Menaquinone 4 has four isoprene residue in its side chain and is also commonly refered to as menatetrenone. Menaquinone-4 is the most common type of vitamin K2 and is known as a hemostatic agent and is used as adjunctive therapy for the pain of osteoporosis.<br>References Hugenholtz, P., et al.: J. Bacteriol., 180, 4765 (1998), Ginet, N., et al.: Biochemistry, 40, 1812 (2001), Cape, J., et al.: J. Biol. Chem., 280, 34654 (2005),<br></p>

<p>Stability Moisture, Temperature, Light Sensitive, Store in freezer<br>Applications Used as a treatment for severe acne. Presently being studied in conjuction with the treatment of photoaged skin.<br>References Lerche, C., et al.: Exp. Dermatol., 17, 972 (2008), Sato, T., et al.: J. Med. Chem., 51, 7705 (2008), Gan, J., et al.: Chem. Res. Toxicol., 22, 690 (2009), Macejova, D., et al.: Toxicol. Lett., 184, 114 (2009), Chen, P., et al.: Toxicol. App. Pharmacol., 234, 143 (2009),<br></p>

<p>Stability Light Sensitive<br>Applications Ferroprotoporphyrin IX is a metabolite formed during biosynthesis and is used to evaluate iron nutrition and metabolism. It is also an iron containing cofactor that is involved with a wide range of cellular functions including oxygen transport.<br>References Labbe, R.F., et. al.: Clin. Chem., 45, 146 (1999); Yuan, X., et al.: Proc. Natl. Acad. Sci. USA 113, E5144 (2016);<br></p>

<p>Applications Lumiflavin is a toxic photolysis product of vitamin B2 (R415000).<br>References Zhao, X. et al.: Chemosphere, 63, 1116 (2006); Litke, S.V. et al.: Khim. Fiz., 10, 48 (1991); Ye, W. et al.: Guang. Yaox. Xueb., 12, 175 (1996);<br></p>

<p>Applications A small molecule agonist of the human Peroxisome Proliferator-Activated Recept δ (PPAR δ). It shows an EC50 of 1.1 nM against PPAR δ with 100-fold selectivity over the other human subtypes.<br>References Sznaidman, M.L., et al.: Bioorganic and Medicinal Chemistry Letters, 13, 1517 (2003)<br></p>

<p>Stability Hygroscopic<br>Applications Saikosaponin A was shown to exhibit anti-inflammatory activities by suppressing activation of NF-kB signaling pathway.<br>References Wu, S.J., et al.: Am. J. Chin. Med., 38, 99 (2010); Wu. S.J., et al.: J. Med. Food., 11, 224 (2008); Yoon, S.S., et al.: Neurosci. Lett., 529, 97 (2012); Lu, C.N., et al.: Int. Immunopharmacol., 14, 121 (2012);<br></p>

<p>Applications Labelled Pyridoxine. One of the vitamins of the B6 complex; present in many foodstuffs (yeast, liver and cereals). Pyridoxine has a role in transporting protein Bsu1, Pyridoxine contributes to thiamine uptake; characterization of thiamine (vitamin B1) transporter Thi9 from Schizosaccharomyces pombe.<br>References Williams, R., et al.: J. Biol. Chem., 87, 581 (1930), Rodionov, D., et al.: J. Biol. Chem., 277, 48949 (2002),Nosaka, K., et al.: Mol. Microbiol., 58, 467 (2005),<br></p>

<p>Stability Liight Sensitive, Temperature Sensitive<br>Applications Occurs preformed only in animals; metabolized from carotenoids, such β-carotene, in the intestinal mucosa. Dietary sources include liver, milk, butter, cheese, eggs and fish liver oils or as carotenois from fruits and vegetables. Stored primarily in the liver in esterified form; transported in the blood by retinol binding protein (RBP). Nutritional factor.<br>References Davis, M., et al.: J. Biol. Chem., 15, 167 (1913), Crouch, R.K., et al.: Photochem. Photobiol., 64, 613 (1996),<br></p>

<p>Applications LG 100268 is a potent RXR agonist for evaluation in the treatment of non-insulin-dependent (type II) diabetes mellitus (NIDDM).<br>References Clyne, C., et al.: J. Biol. Chem., 277, 20591 (2002), Santen, R., et al.: J. Clin. Endocrinol. Metab., 87, 3007 (2002), Falender, A., et al.: Endocrinology, 144, 3598 (2003), Sablin, E., et al.: Mol. Cell., 11, 1575 (2003)<br></p>

<p>Stability Hygroscopic<br>Applications A nucleotide of nicotinic acid which is produced from quinolinic acid by quinolinate phosphoribosyltransferase via transfer of a phosphoribose group. It is an intermediate of nicotinic acid adenine dinucleotide (NaAD) which is then converted to NAD via amidation and in turn converted to NADPH.<br>References Petrelli, R. et al.: Curr. Med. Chem., 18, 1973 (2011); Shibata, K. et al.: J. Chrom. B Biomed. Sci. Appl., 749, 281 (2000); Evans, C. et al.: BMC Chem. Biol., 10, 2 (2010);<br></p>

<p>Stability Light Sensitive, Temperature Sensitive, Toxic<br>Applications A labelled metabolite of Vitamin D2 (V676040).<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 Barnes, P., et al.: J. Clin. Invest., 83, 1527 (1989), Holick, M., et al.: J. Cell Biochem., 88(2), 296 (2003), Maunsell, Z., et al.: Clin. Chem., 51, 1683 (2005),<br></p>

<p>Applications 2-O-a-D-Glucopyranosyl-L-ascorbic Acid is a useful cosmetic gel and skin cleanser.<br>References Aizawa, K., et al.: PCT Int. Appl. (2020), WO 2020226147 A1<br></p>

<p>Applications Hydrocortisone 17-Valerate is a derivative of Hydrocortisone (H714615) which is a glucocorticoid that is produced by the zona fasciculata of the adrenal gland.<br>References Ponec, M. et. al.: J. Pharm. Sci., 75, 973 (1986); Vigore, L., et al.: Cancer Ther., 6, 699 (2008)<br></p>

<p>Stability Hygroscopic<br>Applications (-)-Biotin Sulfoxide, is a metabolite of Biotin (B389040), which is a growth factor present in minute amounts in every living cell, and plays an indispensable role in numerous naturally occurring carboxylation reactions.<br>References du Vigneaud, et al.: J. Biol. Chem., 146, 475 (1942), Traub, et al.: Nature, 178, 649 (1956), Siegel, H., et al.: Experienta, 37, 789 (1981), Vesely, D.L., Science, 216, 1329 (1982), Hugues, M., et al.: Biochemistry, 31, 12 (1992),<br></p>

<p>Applications Coenzyme Q2 is a redox carrier in the mitochondrial respiratory chain in eukaryotic cells. It has been used to investigate interaction of coenzyme Q with phosphatidylethanolamine membranes.<br>References Do, T., et al.: J. Biol Chem. 276, 18161 (2001); Gomez-Fernandez, J. C., et al.: Eur. J. Biochem. 259, 739 (1999);<br></p>

<p>Applications Labelled Pantothenic Acid. A member of the B complex vitamins; essential vitamin for the biosynthesis of coenzyme A in mammalian cells. Occurs ubiquitously in all animal and plant tissue. The richest common source is liver, but jelly of the queen bee contains 6 times as much as liver. Rice bran and molasses are other good sources.<br>References Gardner, P., et al.: Food Chem., 68, 471 (2000), Ou, B., et al.: J. Agric. Food Chem., 50, 2772 (2002), Bahorun, T., et al.: J. Sci. Food Agric., 84, 1553 (2004),<br></p>