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55016

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Theaflavin

analytical standard

Synonyme(s) :

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

Formule empirique (notation de Hill):
C29H24O12
Numéro CAS:
Poids moléculaire :
564.49
Numéro MDL:
Code UNSPSC :
41116107
ID de substance PubChem :
Nomenclature NACRES :
NA.24

Qualité

analytical standard

Niveau de qualité

Essai

≥90.0% (HPLC)

Technique(s)

HPLC: suitable
gas chromatography (GC): suitable

Application(s)

food and beverages

Format

neat

Température de stockage

−20°C

Chaîne SMILES 

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

Clé InChI

IPMYMEWFZKHGAX-ZKSIBHASSA-N

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Description générale

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.

Application

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

Conditionnement

Bottomless glass bottle. Contents are inside inserted fused cone.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)


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Certificats d'analyse (COA)

Lot/Batch Number

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Consulter la Bibliothèque de documents

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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