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Merck
CN

01388

(−)-倍儿茶酸

analytical standard

别名:

（2S，3R）-2-（3,4,5-三羟基苯基）-3,4-二氢-1（2H）-苯并-3,5,7-三醇

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关于此项目

经验公式（希尔记法）:
C15H14O7
化学文摘社编号:
3371-27-5
分子量:
306.27
MDL编号:
MFCD01632616
UNSPSC代码:
85151701
PubChem化学物质编号:
329747262
NACRES:
NA.24

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等级

analytical standard

方案

≥97.0% (HPLC)

保质期

limited shelf life, expiry date on the label

技术

HPLC: suitable
gas chromatography (GC): suitable

应用

food and beverages

包装形式

neat

储存温度

2-8°C

SMILES字符串

O[C@@H]1Cc2c(O)cc(O)cc2O[C@H]1c3cc(O)c(O)c(O)c3

InChI

1S/C15H14O7/c16-7-3-9(17)8-5-12(20)15(22-13(8)4-7)6-1-10(18)14(21)11(19)2-6/h1-4,12,15-21H,5H2/t12-,15+/m1/s1

InChI key

XMOCLSLCDHWDHP-DOMZBBRYSA-N

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相关类别

一般描述

Gallocatechin belongs to the catechin class of organic compounds and is one of the major components of green tea. The beneficial effects of catechins include anti-tumorigenic, anti-mutagenic, anti-pathogenic, and anti-oxidative properties.

应用

(−)-Gallocatechin may be used as an analytical standard for the determination of the analyte in biological fluids and tea beverages by chromatography-based techniques.

包装

Bottomless glass bottle. Contents are inside inserted fused cone.

象形图

Exclamation mark
GHS07

警示用语：

Warning

危险声明

H315,H319,H335

危险分类

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

靶器官

Respiratory system

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
WXBF6875V
WXBF3342V
WXBD8411V
WXBD9599V
WXBD6159V

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Determination of catechins in human plasma after commercial canned green tea ingestion by high-performance liquid chromatography with electrochemical detection using a microbore column
Kotani A, et al.
Journal of Chromatography. B, Biomedical Sciences and Applications, 788(2), 269-275 (2003)
Joaudimir Castro et al.
Talanta, 82(5), 1687-1695 (2010-09-30)
Presented here is the quantitative analysis of green tea NIST standard reference materials (SRMs) via liquid chromatography-particle beam/electron ionization mass spectrometry (LC-PB/EIMS). Three different NIST green tea standard reference materials (SRM 3254 Camellia sinesis Leaves, SRM 3255 C. sinesis Extract
Determination of catechins and catechin gallates in biological fluids by HPLC with coulometric array detection and solid phase extraction
Chu KO, et al.
Analytica Chimica Acta, 510(1), 69-76 (2004)
Hongyu Wang et al.
Journal of agricultural and food chemistry, 60(12), 3098-3104 (2012-03-08)
Proanthocyanidins in unripe Manilkara zapota (chiku) were isolated using solvent extraction followed by Sephadex LH-20 fractionation with a yield of 0.9%. HPLC analysis using a diol column revealed well-resolved oligomers ranging from dimer to hexamer. The majority of the proanthocyanidins
Kusum Rathore et al.
Carcinogenesis, 33(1), 174-183 (2011-11-03)
Long-term exposure to low doses of environmental carcinogens contributes to sporadic human breast cancers. Epidemiologic and experimental studies indicate that green tea catechins (GTCs) may intervene with breast cancer development. We have been developing a chronically induced breast cell carcinogenesis
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商品

Analysis of Caffeine and Catechins in Green Tea

Validated HPLC method (based on Ph. Eur. Monograph 2668) for quantifying catechins and caffeine in decaffeinated green tea using a Chromolith® High Resolution RP-18e column with advantages in terms of backpressure and matrix robustness.

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