04646
Hamamelitannin
≥98.0% (HPLC)
别名:
2-C-(Hydroxymethyl)-D-ribofuranose 2′,5-digallate, Hamamelofuranose 2′,5-digallate
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关于此项目
经验公式（希尔记法）:
C20H20O14
化学文摘社编号:
分子量:
484.36
NACRES:
NA.25
PubChem Substance ID:
UNSPSC Code:
41116107
EC Number:
207-416-3
MDL number:
InChI
1S/C20H20O14/c21-9-1-7(2-10(22)14(9)25)17(28)32-5-13-16(27)20(31,19(30)34-13)6-33-18(29)8-3-11(23)15(26)12(24)4-8/h1-4,13,16,19,21-27,30-31H,5-6H2/t13-,16-,19?,20-/m1/s1
InChI key
FEPAFOYQTIEEIS-IZUGRSKYSA-N
SMILES string
OC1O[C@H](COC(=O)c2cc(O)c(O)c(O)c2)[C@@H](O)[C@]1(O)COC(=O)c3cc(O)c(O)c(O)c3
assay
≥98.0% (HPLC)
form
powder or crystals
application(s)
food and beverages
metabolomics
vitamins, nutraceuticals, and natural products
storage temp.
2-8°C
Quality Level
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General description
Hamamelitanninis a tannin derived from the bark and leaves of Hamamelis virginiana(witch hazel).
Application
Hamamelitannin can be used to study chromatography, aromatics, esters, hamamelis, heterocyclics, natural compounds, phenols, phytopharma standards, polyhydroxy compounds, and tannins. It also significantly reduces biofilm metabolic activity of the following bacteria: Staphylococcus epidermidis, Staphylococcus aureus, Acinetobacter baumannii, and Candida albicans strains. Hamamelitannin displays specific cytotoxic activity against colon cancer cells. It has been used in a study to determine that quorum-sensing inhibitors increase the success of antibiotic treatment by increasing the susceptibility of bacterial biofilms and/or by increasing host survival following infection.
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
法规信息
涉药品监管产品
此项目有
K Saeki et al.
Planta medica, 65(3), 227-229 (1999-05-08)
Tetragalloylglucose (TgG) and digalloylhamamelose (DgH) were found to inhibit adhesion to and invasion through Matrigel of mouse Lewis lung carcinoma LL2-Lu3 cells, which are highly metastatic. TgG inhibited matrix metalloproteinases (MMPs) from the tumor cells like (-)-epigallocatechin gallate, whereas DgH
L Cobrado et al.
The Journal of antimicrobial chemotherapy, 68(1), 126-130 (2012-09-20)
Catheter-related bloodstream infections (CRBSIs) are common healthcare-associated infections associated with increased morbidity and medical costs. Antiseptic- and antibiotic-coated central venous catheters (CVCs) have been proposed to reduce the incidence of CRBSIs, with variable success. The aim of this study was
L Cobrado et al.
The Journal of antimicrobial chemotherapy, 67(5), 1159-1162 (2012-02-10)
The colonization of indwelling medical devices and subsequent biofilm formation represents a global challenge since it promotes the persistence of infection and contributes to antimicrobial resistance. The aim of this study was to determine the antimicrobial activity of cerium, chitosan
Gilles Brackman et al.
Antimicrobial agents and chemotherapy, 55(6), 2655-2661 (2011-03-23)
Although the exact role of quorum sensing (QS) in various stages of biofilm formation, maturation, and dispersal and in biofilm resistance is not entirely clear, the use of QS inhibitors (QSI) has been proposed as a potential antibiofilm strategy. We
Solomon Habtemariam
Toxicon : official journal of the International Society on Toxinology, 40(1), 83-88 (2001-10-17)
The tumour necrosis factor-alpha (TNF) inhibitory activity of hamamelitannin from Hamamelis virginiana was investigated by assessing the TNF-mediated EAhy926 endothelial cell death and adhesiveness to monocytes. Treatment of the cells by TNF (25 ng/ml) and actinomycin D (0.1ng/ml) resulted in
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