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Theaflavin monogallate

analytical standard

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About This Item

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

grade

analytical standard

Quality Level

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,[1] and a naturally available antioxidant belonging to the group of theaflavins.[2]

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).[1]

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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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
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
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
Henryk Dreger et al.
Experimental biology and medicine (Maywood, N.J.), 233(4), 427-433 (2008-03-28)
Catechins and theaflavins-the main polyphenolic substances of green and black tea, respectively-exert a plethora of beneficial effects on the cardiovascular system. In a model of H(2)O(2)-mediated oxidative stress, we investigated the effects of epigallocatechin-3-gallate (EGCG) and theaflavin-3,3'-digallate (TF3) on neonatal
J Lu et al.
Cancer research, 60(22), 6465-6471 (2000-12-05)
Theaflavin (TF-1), theaflavin-3-monogallate and theaflavin-3'-monogallate mixture (TF-2), and theaflavin-3,3'-digallate (TF-3) are the major black tea polyphenols. Here we compared the effects of these polyphenols on cell growth, apoptosis, and gene expression in normal and cancerous cells. We showed that TF-2

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