| Product name： | Procyanidin B1 |
| Synonym： | Proanthocyanidin B1 |
| Purity： | 98% + by HPLC |
| Appearance： | Off-white powder |
| Chemical Family： | Polyphenols |
| Canonical SMILES： | C1C(C(OC2=C1C(=CC(=C2C3C(C(OC4=CC(=CC(=C34)O)O)C5=CC(=C(C=C5)O)O)O)O)O)C6=CC(=C(C=C6)O)O)O |
| Botanical Source： | Present in red wine |
