Quality Level
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
grade
analytical standard
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
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.
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Science Of Tea Technology (2013)
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
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
Comparative analysis of tea catechins and theaflavins by high-performance liquid chromatography and capillary electrophoresis.
Lee L-B and Ong N-C
Journal of Chromatography A, 881(1-2), 439-447 (2000)
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