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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:
4670-05-7
Molecular Weight:
564.49
MDL number:
MFCD03427500
UNSPSC Code:
41116107
PubChem Substance ID:
329758072
NACRES:
NA.24

grade

analytical standard

Quality Level

100

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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Certificates of Analysis (COA)

Lot/Batch Number
BCCL8980
BCCD3318
BCBT3522
BCBN0426V
BCBJ4833V

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Annadurai Anandhan et al.
Brain research, 1433, 104-113 (2011-12-06)
Parkinson's disease (PD) is a progressive neurodegenerative disorder, characterized by loss of dopominergic neurons in substantia nigra pars compacta, and can be experimentally induced by the neurotoxin 1-methyl-4-phenyl-1, 2, 3, 6-tetrahydropyridine (MPTP). Chronic administration of MPTP/probenecid (MPTP/p) leads to oxidative
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
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
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
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