等级
analytical standard
质量水平
描述
Mixture of Theaflavin 3-gallate and Theaflavin 3′-gallate
检测方案
≥80% (HPLC)
技术
HPLC: suitable
gas chromatography (GC): suitable
应用
food and beverages
格式
neat
储存温度
−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
一般描述
Theaflavin monogallate is a polyphenol, and a naturally available antioxidant belonging to the group of theaflavins.
应用
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).
包装
Bottomless glass bottle. Contents are inside inserted fused cone.
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
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
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)
Mario A Vermeer et al.
Journal of agricultural and food chemistry, 56(24), 12031-12036 (2008-12-04)
Tea is one of the most widely consumed beverages in the world and may be associated with reduced heart disease rates. Theaflavins, which are formed in the production of black tea, have been suggested being responsible for the blood-cholesterol-lowering (BCL)
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