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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
NACRES:
NA.24
PubChem Substance ID:
329747262
UNSPSC Code:
85151701
MDL number:
MFCD01632616

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产品名称

(−)-倍儿茶酸, analytical standard

format

neat

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

SMILES string

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

InChI key

XMOCLSLCDHWDHP-DOMZBBRYSA-N

grade

analytical standard

assay

≥97.0% (HPLC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

food and beverages

storage temp.

2-8°C

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相关类别

General description

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.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Application

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

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_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 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)
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 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)
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
Ranjith Arimboor et al.
Journal of food science, 77(10), C1036-C1041 (2012-09-04)
Inhibitory potential of sea buckthorn (Hippophae rhamnoides L) seed proanthocyanidins against oxidative stress and xanthine oxidase activity was evaluated. Composition of antioxidant proanthocyanidins was profiled by analyzing the cleavage products obtained by the acid catalyzed hydrolysis in the presence of
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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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