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55016

Supelco

Theaflavin

analytical standard

Synonym(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

Empirical Formula (Hill Notation):
C29H24O12
CAS Number:
Molecular Weight:
564.49
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

analytical standard

Quality Level

Assay

≥90.0% (HPLC)

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

food and beverages

format

neat

storage temp.

−20°C

SMILES string

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

InChI key

IPMYMEWFZKHGAX-ZKSIBHASSA-N

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General description

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.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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
Inhibition of xanthine oxidase and suppression of intracellular reactive oxygen species in HL-60 cells by theaflavin-3, 3 `-digallate,(?)-epigallocatechin-3-gallate, and propyl gallate
Lin K-J, et al.
Journal of Agricultural and Food Chemistry, 48, 2736-2743 (2000)
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
Viktoria Knaze et al.
The British journal of nutrition, 108(6), 1095-1108 (2011-12-22)
Epidemiological studies suggest health-protective effects of flavan-3-ols and their derived compounds on chronic diseases. The present study aimed to estimate dietary flavan-3-ol, proanthocyanidin (PA) and theaflavin intakes, their food sources and potential determinants in the European Prospective Investigation into Cancer
Wenxiang Wang et al.
Journal of cardiovascular pharmacology, 59(5), 434-440 (2012-01-06)
A model of homocysteine-induced injury in vascular endothelial cells was established to evaluate the protective role of theaflavins on homocysteine-injured human vascular endothelial cells (HUVECs). The cells were co-incubated with 3 concentrations of theaflavins (5, 10, or 20 mg/L) and

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