(−)-Epigallocatechin
SIAL/08108 - analytical standard
Synonym: (−)-cis-2-(3,4,5-Trihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol; (−)-cis-3,3′,4′,5,5′,7-Hexahydroxyflavane
CAS Number: 970-74-1
Empirical Formula (Hill Notation): C15H14O7
Molecular Weight: 306.27
MDL Number: MFCD00075939
Linear Formula: C15H14O7
Product Type: Chemical
| application(s) | food and beverages |
| assay | ≥90% (HPLC) |
| format | neat |
| grade | analytical standard |
| InChI | 1S/C15H14O7/c16-7-3-9(17) |
| InChI key | XMOCLSLCDHWDHP-IUODEOHRSA |
| Quality Level | 100  |
| SMILES string | O[C@@H]1Cc2c(O)cc(O)cc2O[ |
| technique(s) | gas chromatography (GC): suitable |
| HPLC: suitable |
| Application: | EGC may be used as an analytical standard for the determination of EGC in: • Fruit juices by high-performance liquid chromatography with diode array detection (HPLC-DAD) combined with electrospray ionization (ESI) and triple quadrupole mass spectrometry. • Green tea standard reference materials (SRMs) by LC coupled with particle beam/electron ionization mass spectrometry (LC-PB/EIMS). • Tea extracts by HPLC with electrochemical detection (ECD) and in plant-based foods by HPLC-DAD. |
| Biochem/physiol Actions: | Green tea polyphenol. Anticancer agent. Lower antioxidant activity than EGCG. |
| General description: | (−)-Epigallocatechin (EGC) belongs to the tea catechins group of polyphenols. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥90% (HPLC) |
| UNSPSC | 85151701 |