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01388

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(−)-Gallocatechin

analytical standard

Synonym(e):

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

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About This Item

Empirische Formel (Hill-System):
C15H14O7
CAS-Nummer:
3371-27-5
Molekulargewicht:
306.27
MDL-Nummer:
MFCD01632616
UNSPSC-Code:
85151701
PubChem Substanz-ID:
329747262
NACRES:
NA.24

Qualität

analytical standard

Assay

≥97.0% (HPLC)

Haltbarkeit

limited shelf life, expiry date on the label

Methode(n)

HPLC: suitable
gas chromatography (GC): suitable

Anwendung(en)

food and beverages

Format

neat

Lagertemp.

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

InChIKey

XMOCLSLCDHWDHP-DOMZBBRYSA-N

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Verwandte Kategorien

Allgemeine Beschreibung

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.

Anwendung

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

Verpackung

Bottomless glass bottle. Contents are inside inserted fused cone.

Piktogramme

Exclamation mark
GHS07

Signalwort

Warning

Gefahreneinstufungen

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

Zielorgane

Respiratory system

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Choose from one of the most recent versions:

Analysenzertifikate (COA)

Lot/Batch Number
WXBF3342V
WXBD8411V
WXBD9599V
WXBD6159V
WXBD3189V

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Epigallocatechin primary reference standard

03960590

Epigallocatechin

(−)-Epicatechin-Gallat phyproof® Reference Substance

PHL89193

(−)-Epicatechin-Gallat

Theaflavin-3-gallat phyproof® Reference Substance

PHL83342

Theaflavin-3-gallat

Theaflavin-3,3′-digallat phyproof® Reference Substance

PHL83344

Theaflavin-3,3′-digallat

(−)-Epigallocatechin ≥95% (HPLC), from green tea

Sigma-Aldrich

E3768

(−)-Epigallocatechin

Theaflavin phyproof® Reference Substance

PHL83341

Theaflavin

(−)-Epigallocatechin phyproof® Reference Substance

PHL89655

(−)-Epigallocatechin

(+)-Catechin analytical standard

Supelco

43412

(+)-Catechin

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)
Yoo-Hyun Lee et al.
International journal of molecular medicine, 30(1), 69-74 (2012-04-17)
Manipulating acetylation status of key gene targets is likely to be crucial for effective cancer therapy. In this study, we utilized green tea catechins, epicatechin (EC), epigallocatechin (EGC) and epigallocatechin-3-gallate (EGCG) to examine the regulation of androgen receptor acetylation in
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
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Artikel

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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