G133381, (−)-Gallocatechin-3 is a polyphenolic compound and one of the major catechins found in green tea (Camellia sinensis).Examples of the use of (−)-gallocatechin as a reference standard:Identification of polyphenols in pineapple (Ananas comosus) by HPLC;Profiling of catechins from green tea (Camellia sinensis) by RP-HPLC/photodiode array detection (RP-HPLC/PDAD);As a reference standard for the characterization of flavan-3-ols (flavanols) in muscadine grape hybrids by HPLC-qTOF-MS/MS., mg