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Theaflavin monogallate

analytical standard

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About This Item

Empirical Formula (Hill Notation):
C36H28O16
CAS Number:
31629-79-5
Molecular Weight:
716.60
UNSPSC Code:
41116107
NACRES:
NA.24

grade

analytical standard

Quality Level

100

description

Mixture of Theaflavin 3-gallate and Theaflavin 3′-gallate

Assay

≥80% (HPLC)

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

food and beverages

format

neat

storage temp.

−20°C

InChI

1S/C36H28O16/c37-14-5-20(39)18-10-25(44)33(50-28(18)7-14)12-1-16-17(34-26(45)11-19-21(40)6-15(38)8-29(19)51-34)9-27(46)35(30(16)32(48)24(43)2-12)52-36(49)13-3-22(41)31(47)23(42)4-13/h1-9,25-26,33-34,37-42,44-47H,10-11H2,(H,43,48)/t25-,26?,33-,34?/m1/s1

InChI key

CKDOBTPKUHSESZ-MALJIYBWSA-N

General description

Theaflavin monogallate is a polyphenol, and a naturally available antioxidant belonging to the group of theaflavins.

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
Theaflavin monogallate may be used as a reference standard in the determination of theaflavin monogallate in tea using reversed-phase high-performance liquid chromatography (RP-HPLC) and capillary electrophoresis (CE).

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
BCBZ5701
BCBW2503
BCBR4444V

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Yalun Su et al.
Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials, 27(10), 732-733 (2005-04-27)
Qimen black tea has strong inhibitory activity of canola oil oxidation. Four antioxidant compounds, theaflavin (TF1), theaflavin-3-gallate (TF2A), theaflavin-3'-gallate (TF2B) and theaflavin digallate (TF3), were isolated from acetic acetate extract of black tea by silica gel and sephadex LH-20 column
Marilisa Leone et al.
Cancer research, 63(23), 8118-8121 (2003-12-18)
Epidemiological data and in vitro studies on cancer chemoprevention by tea polyphenols have gained attention recently from the scientific community, nutritionists, the pharmaceutical industry, and the public. Despite the several efforts made recently to elucidate the molecular basis for the
Science Of Tea Technology (2013)
G Y Yang et al.
Carcinogenesis, 21(11), 2035-2039 (2000-11-04)
The biological activities of theaflavin (TF), theaflavin gallate (TFG) and theaflavin digallate (TFdiG) from black tea and (-)-epigallocatechin 3-gallate (EGCG) and (-)-epigallocatechin (EGC) from green tea were investigated using SV40-immortalized (33BES) and Ha-ras gene transformed (21BES) human bronchial epithelial cell
Jiebo Lu et al.
European journal of pharmacology, 601(1-3), 66-72 (2008-11-11)
We have previously reported that black tea polyphenol theaflavin monogallate (TF-2) suppressed COX-2 and induced apoptosis in human colon cancer cells [Lu, J.B., Ho, C.-T., Ghai, G., Chen, K.Y., 2000. Differential effects of theaflavin monogallates on cell growth, apoptosis and
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