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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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1 MG
CHF 616.00

CHF 616.00

Spedizione prevista il29 maggio 2025

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1 MG
CHF 616.00

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

CHF 616.00

Spedizione prevista il29 maggio 2025

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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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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.[1]

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)

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Certificati d'analisi (COA)

Lot/Batch Number
BCCL8980
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

Mian Zu et al.
Antiviral research, 94(3), 217-224 (2012-04-24)
The theaflavins fraction (TF80%, with a purity of 80%) and three theaflavin (TF) derivatives from black tea have been found to exhibit potent inhibitory effects against influenza virus in vitro. They were evaluated with a neuraminidase (NA) activity assay, a
Gerlinde Grelle et al.
Biochemistry, 50(49), 10624-10636 (2011-11-08)
Causal therapeutic approaches for amyloid diseases such as Alzheimer's and Parkinson's disease targeting toxic amyloid oligomers or fibrils are still emerging. Here, we show that theaflavins (TF1, TF2a, TF2b, and TF3), the main polyphenolic components found in fermented black tea
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
Wenxiang Wang et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 50(9), 3243-3250 (2012-07-04)
Male Sprague-Dawley rats were treated with cadmium (Cd) (0.4 mg/kg body weight, s.c., once a day) and three concentrations of theaflavins (50, 100 or 200mg/kg body weight, orally, once a day) for five weeks to evaluate the protective role of
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
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