| The herbs of Daemonorops draco. Procyanidin A1 has antiallergic effects, it inhibits degranulation downstream of protein kinase C activation or Ca2 influx from an internal store in RBL-2H3 cells. Procyanidin A1 shows a very high inhibition effect on LDL oxidation, with the IC50 value of 0.94uM. Synonyms: Proanthocyanidin A1, (+)-Epicatechin-(4beta-8,2beta-O-7)-catechin, (2R,3S,8S,14R,15R)-2,8-Bis(3,4-dihydroxyphenyl)-3,4-dihydro-2H,14H-8,14-methanobenzo[7,8][1,3]dioxocino[4,5-h]chromene-3,5,11,13,15-pentaol CAS No: 103883-03-0 Molecular Formula: C30H24O12 Molecular Weight: 576.51 Appearance: As reported Purity: 98% (HPLC) NMR, CNMR, LC-MS: Conforms to reference Solubility: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone Storage and Stability: May be stored at RT for short-term only. Long-term storage is recommended at -20C. For maximum recovery of product, centrifuge the original vial prior to removing the cap. |