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55016

Supelco

Theaflavin

analytical standard

Sinonimo/i:

3,4,5-Trihydroxy-1,8-bis[(2R,3R)-3,5,7-trihydroxy-2-chromanyl]-6-benzo[7]annulenone, 3,4,6-Trihydroxy-1,8-bis(3α,5,7-trihydroxy-2α-chromanyl)-5H-benzocyclohepten-5-one

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About This Item

Formula empirica (notazione di Hill):
C29H24O12
Numero CAS:
4670-05-7
Peso molecolare:
564.49
Numero MDL:
MFCD03427500
Codice UNSPSC:
41116107
ID PubChem:
329758072
NACRES:
NA.24

Grado

analytical standard

Livello qualitativo

100

Saggio

≥90.0% (HPLC)

tecniche

HPLC: suitable
gas chromatography (GC): suitable

applicazioni

food and beverages

Formato

neat

Temperatura di conservazione

−20°C

Stringa SMILE

O[C@@H]1Cc2c(O)cc(O)cc2O[C@@H]1C3=Cc4c(cc(O)c(O)c4C(=O)C(O)=C3)[C@H]5Oc6cc(O)cc(O)c6C[C@H]5O

InChI

1S/C29H24O12/c30-11-3-17(32)15-8-21(36)28(40-23(15)5-11)10-1-13-14(7-20(35)27(39)25(13)26(38)19(34)2-10)29-22(37)9-16-18(33)4-12(31)6-24(16)41-29/h1-7,21-22,28-33,35-37,39H,8-9H2,(H,34,38)/t21-,22-,28-,29-/m1/s1
IPMYMEWFZKHGAX-ZKSIBHASSA-N

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Categorie correlate

Descrizione generale

Theaflavin is a polyphenol, naturally available in tea, which can mainly play a role in the inhibition of xanthine oxidase enzyme to yield uric acid. It can also find applications in reducing oxidative stress and can also act like scavengers of superoxide.

Applicazioni

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Confezionamento

Bottomless glass bottle. Contents are inside inserted fused cone.

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)

Scegli una delle versioni più recenti:

Certificati d'analisi (COA)

Lot/Batch Number
BCCD3318
BCBT3522

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NIST3255

Camellia sinensis (green tea) extract

(−)-Epigallocatechin gallate ≥95%

Sigma-Aldrich

E4143

(−)-Epigallocatechin gallate

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

Sigma-Aldrich

E3768

(−)-Epigallocatechin

(−)-Epigallocatechin analytical standard

Supelco

08108

(−)-Epigallocatechin

(−)-Gallocatechin gallate from green tea, ≥98% (HPLC)

Sigma-Aldrich

G6782

(−)-Gallocatechin gallate

(−)-Epigallocatechin gallate ≥80% (HPLC), from green tea

Sigma-Aldrich

E4268

(−)-Epigallocatechin gallate

Xueli Cao et al.
Journal of separation science, 34(19), 2611-2617 (2011-09-08)
An improved type-J counter-current chromatography (CCC) planet centrifuge with two spiral tube columns (volume 2×15 mL, β value 0.3-0.7, tubing 0.8 mm id) was developed and evaluated for its retention ability of four typical different solvent systems including heptane-methanol (1:1
Jie Yang et al.
AIDS research and human retroviruses, 28(11), 1498-1508 (2012-08-08)
We previously demonstrated that a commercially available natural product preparation with high content (>90%) of theaflavin derivatives (TFmix) exhibited potent anti-HIV activities. Here we developed a TFmix gel formulation as a topical microbicide candidate. The effect of TFmix on the
Andrew G Mercader et al.
Current medicinal chemistry, 19(25), 4324-4347 (2012-07-27)
Flavonoids have shown anticarcinogenic activity in cancer cell lines, animal models, and some human studies. Quantitative structure-activity relationship (QSAR) models have become useful tools for identification of promising lead compounds in anticancer drug development. However, epidemiological and clinical studies are
A Anandhan et al.
Neuroscience, 218, 257-267 (2012-05-29)
Evidence from clinical and experimental studies indicates that degeneration of nigrostriatal dopaminergic neurons is a pathological hallmark of Parkinson's disease (PD). The present study was designed to investigate the neuroprotective potential of theaflavin (TF) on oxidative stress, monoamine transporters and
Suchismita Mohanty et al.
Frontiers in bioscience (Scholar edition), 4, 300-320 (2011-12-29)
With phytochemicals executing a plethora of anti-tumor mechanisms, targeting the 'guardian angel' p53 appears to be a critical strategy to energize the process of cancer therapeutics. Regulation of anti-tumor p53 functions by dietary plant polyphenols particularly black tea and its
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