Hamamelitannin 是分离自Hamamelis virginiana树皮的一种多酚，是群体感应抑制剂。它通过影响肽聚糖生物合成和 eDNA 释放增加金黄色葡萄球菌生物膜的抗生素敏感性。

Hamamelitannin a polyphenol extracted from the bark of Hamamelis virginiana, has cytotoxic and antibiofilm activities，and is a quorum-sensing (QS) inhibitor.It increases antibiotic susceptibility of staphylococcus aureus biofilms by affecting peptidoglycan biosynthesis and eDNA release.It also has a high protective activity on cell damage induced by peroxides.

Hamamelitannin has specific cytotoxic activity against colon cancer cells[1].

469-32-9

C20H20O14

484.36

(< 1 mg/ml refers to the product slightly soluble or insoluble )
Powder: -20°C for 3 years
In solvent: -80°C for 2 years