推荐产品
等级
analytical standard
质量水平
方案
≥90% (HPLC)
技术
HPLC: suitable
gas chromatography (GC): suitable
应用
food and beverages
包装形式
neat
SMILES字符串
O[C@@H]1Cc2c(O)cc(O)cc2O[C@@H]1c3cc(O)c(O)c(O)c3
InChI
1S/C15H14O7/c16-7-3-9(17)8-5-12(20)15(22-13(8)4-7)6-1-10(18)14(21)11(19)2-6/h1-4,12,15-21H,5H2/t12-,15-/m1/s1
InChI key
XMOCLSLCDHWDHP-IUODEOHRSA-N
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一般描述
(-) 表没食子儿茶素（EGC）属于多酚茶儿茶素类。
应用
EGC 可作测定以下中EGC的分析标准：
- 通过高效液相色谱二极管阵列检测 (HPLC-DAD) 结合电喷雾离子化 (ESI) 和三重四极杆质谱法测定果汁中的EGC；
- 通过 LC 耦合粒子束/电子电离质谱 (LC-PB/EIMS)测定绿茶标准参考物质 (SRM)中的ECG；
- 通过HPLC，使用电化学检测 (ECD)测定茶叶提取物中的EGC；以及通过HPLC-DAD测定植物性食品中的ECG。
生化/生理作用
绿茶多酚。抗癌剂。抗氧化活性低于 EGCG。
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
Liquid chromatographic method for the separation and quantification of prominent flavonoid aglycones
Merken HM and Beecher GR
Journal of Chromatography A, 897(1-2), 177-184 (2000)
Pharmacokinetics of tea catechins after ingestion of green tea and (-)-epigallocatechin-3-gallate by humans: formation of different metabolites and individual variability
Lee MJ, et al.
Cancer Epidemiology, Biomarkers & Prevention, 11(10), 1025-1032 (2002)
Determination of catechins and caffeine in proposed green tea standard reference materials by liquid chromatography-particle beam/electron ionization mass spectrometry (LC-PB/EIMS)
Castro J, et al.
Talanta, 82(5), 1687-1695 (2010)
A general analytical strategy for the characterization of phenolic compounds in fruit juices by high-performance liquid chromatography with diode array detection coupled to electrospray ionization and triple quadrupole mass spectrometry
Abad-Garcia, B, et al.
Journal of Chromatography A, 1216(28), 5398-5415 (2009)
Simultaneous determination of twelve tea catechins by high-performance liquid chromatography with electrochemical detection
Sano M, et al.
Analyst, 126(6), 816-820 (2001)
商品
Antioxidants protect biological systems from oxidative damage produced by oxygen-containing free radicals and from redoxactive transition metal ions such as iron, copper, and cadmium.
抗氧化剂可保护生物系统免受含氧自由基和氧化还原过渡金属离子（如铁、铜和镉）引起的氧化损伤。
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