3Liao S G, Zhang L J, Sun F, et al. Identification and characterisation of phenolics in polygonum capitatum by ultrahigh-performance liquid chromatography with photodiode array detection and tandem mass spectrometry [ J] Phytochem Anal, 2013, 24:556.
4Liao S G, Li Y T, Zhang L J, et al. UPLC-PDA-ESI- MS/MS analysis of compounds extracted by cardiac h9c2 cell from Polygonum orientale [ J ] Phytochem Anal, 2013, 24:25.
5Perez-Magarino S, Revilla I, Gonzalez-Sanjose M L, et al. Various applications of liquid chromatography-mass spectrometry to the analysis of phenolic compounds [ J ] J Chromatogr A, 1999, 847 (1) :75.
6Challice J S, Williams A H. Phenolic compounds of the genus Pyrus: A chemotaxonomic survey [ J ]. Phytochemistry, 1968, 7 ( 10 ) : 1781.
7Victor A P, Yves G, Languerre M. Incidence of molecular structure in oxidation of grape seed procyanidins [ J]. J Agric Food Chem, 1998, 46 (2) :376.
8Tuba E, Victor W, Peter W. Dimeric Procyanidins: Screening for B1 to B8 and semisynthetic preparation of B3, B4, B6, and B8 from a polymeric procyanidin fraction of white willow bark (Salix alba) [J]. J Agric Food Chem, 2010, 58(13):7820.
9Shoko T, Kayo K, Naomi Y. New dimeric flavans from gambir, an extract of Uncaria gambir [ J]. Organic Chemistry Fields, 2008, 28 ( 10 ) :3145.
10Nils K, Victor W, Peter W. New Approach for the Synthesis and isolation of Dimeric Procyanidins [ J]. J Agric Food Chem, 2008, 56(13) :5374.
