Description General description This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ. Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate. Download your certificate at: http://www.sigma-aldrich.com. Application Gallic acid has been used as a reference standard in the high performance liquid chromatography coupled triple quadrupole mass spectrometric (HPLC/QqQ MS) analysis of gallic acid in rat medicated plural serum containing Guizhi Fuling Wan, a chinese herbal formula used for the treatment of ovarian cancer. Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support. Biochem/physiol Actions Gallic acid is a water soluble phenolic acid present in grapes and in the leaves of many plants. Gallic acid esters, such as tannins, catechin gallates and aliphatic gallates are potent antioxidants in vitro. However, gallic acid itself also appears to have antioxidant, anticarcinogenic and antiangiogenic activity in vitro. Packaging Bottomless glass bottle. Contents are inside inserted fused cone. Legal Information TraceCERT is a registered trademark of Sigma-Aldrich Co. LLC