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01388

(−)-Gallocatechin

analytical standard

Synonym(s):

(2S,3R)-2-(3,4,5-Trihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol

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About This Item

Empirical Formula (Hill Notation):
C15H14O7
CAS Number:
3371-27-5
Molecular Weight:
306.27
MDL number:
MFCD01632616
UNSPSC Code:
85151701
PubChem Substance ID:
329747262
NACRES:
NA.24

Key Documents

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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

format

neat

storage temp.

2-8°C

SMILES string

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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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.

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.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (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)
K Koga et al.
Journal of food science, 78(1), H105-H111 (2013-01-03)
The pancreatic lipase inhibitory (PLI) activity of leaf extracts (aqueous, 60 and 99.8 (v/v)% EtOH) of Salacia reticulata Wight, referred to "Kothala himbutu" (KT) in Singhalese, was compared with that of KT stem extracts. Evaporated residue contents and PLI activity
Yi-Bin Zhou et al.
Journal of agricultural and food chemistry, 60(7), 1619-1627 (2012-01-10)
Metabolic profiles of broiler chickens were examined after the ingestion of green tea, tea polyphenols, and (-)-epigallocatechin-3-gallate (EGCG). Solid-phase extraction of serum and litters yielded free catechins and their metabolites, which were then identified and quantified by liquid chromatography-tandem mass
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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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