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この商品について
実験式(ヒル表記法):
C15H14O7
CAS番号:
分子量:
306.27
NACRES:
NA.24
PubChem Substance ID:
UNSPSC Code:
85151701
MDL number:
製品名
(−)-エピガロカテキン, analytical standard
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
SMILES string
O[C@@H]1Cc2c(O)cc(O)cc2O[C@@H]1c3cc(O)c(O)c(O)c3
InChI key
XMOCLSLCDHWDHP-IUODEOHRSA-N
grade
analytical standard
assay
≥90% (HPLC)
technique(s)
HPLC: suitable
gas chromatography (GC): suitable
application(s)
food and beverages
format
neat
Quality Level
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Biochem/physiol Actions
緑茶ポリフェノール。抗がん剤。EGCGよりも低い抗酸化活性を示します。
Application
EGC may be used as an analytical standard for the determination of EGC in:
- Fruit juices by high-performance liquid chromatography with diode array detection (HPLC-DAD) combined with electrospray ionization (ESI) and triple quadrupole mass spectrometry.
- Green tea standard reference materials (SRMs) by LC coupled with particle beam/electron ionization mass spectrometry (LC-PB/EIMS).
- Tea extracts by HPLC with electrochemical detection (ECD) and in plant-based foods by HPLC-DAD.
General description
(−)-Epigallocatechin (EGC) belongs to the tea catechins group of polyphenols.
保管分類
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
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)
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)
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)
Simultaneous determination of twelve tea catechins by high-performance liquid chromatography with electrochemical detection
Sano M, et al.
Analyst, 126(6), 816-820 (2001)
資料
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.
ライフサイエンス、有機合成、材料科学、クロマトグラフィー、分析など、あらゆる分野の研究に経験のあるメンバーがおります。.
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