68097
(−)-エピカテキン
analytical standard
別名:
(−)-cis-3,3′,4′,5,7-ペンタヒドロキシフラバン, (2R,3R)-2-(3,4-ジヒドロキシフェニル)-3,4-ジヒドロ-1(2H)-ベンゾピラン-3,5,7-トリオール
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この商品について
実験式（ヒル表記法）:
C15H14O6
CAS番号:
分子量:
290.27
UNSPSC Code:
85151701
NACRES:
NA.24
PubChem Substance ID:
EC Number:
207-710-1
Beilstein/REAXYS Number:
92760
MDL number:
grade
analytical standard
Quality Level
assay
≥97.0% (HPLC)
shelf life
limited shelf life, expiry date on the label
technique(s)
HPLC: suitable, gas chromatography (GC): suitable
mp
240 °C (dec.) (lit.)
application(s)
food and beverages
format
neat
shipped in
wet ice
storage temp.
2-8°C
SMILES string
O[C@@H]1Cc2c(O)cc(O)cc2O[C@@H]1c3ccc(O)c(O)c3
InChI
1S/C15H14O6/c16-8-4-11(18)9-6-13(20)15(21-14(9)5-8)7-1-2-10(17)12(19)3-7/h1-5,13,15-20H,6H2/t13-,15-/m1/s1
InChI key
PFTAWBLQPZVEMU-UKRRQHHQSA-N
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General description
(−)-Epicatechin is a monomeric catechin and a polyphenolic component, belonging to the class of flavan-3-ols. It is majorly found in apples, apple products and green tea.
Application
(−)-Epicatechin may be used as an analytical reference standard for the quantification of the analyte in green tea using high-performance liquid chromatography technique.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
Packaging
底の開いたガラス瓶内容物は内部に挿入され接着された円錐部に入っています。
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
保管分類
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Analysis of catechins and condensed tannins by thermally assisted hydrolysis/methylation-GC/MS and by a novel two step methylation
Journal of Analytical and Applied Pyrolysis, 85(1-2), 54-65 (2009)
A method for fast determination of epigallocatechin gallate (EGCG), epicatechin (EC), catechin (C) and caffeine (CAF) in green tea using HPLC
Saito.TS, et al.
Food Sci. Technol., 26(2), 394-400 (2006)
Recent Advances in Polyphenol Research, 26(2), 394-400 (2009)
Alice Cattivelli et al.
Foods (Basel, Switzerland), 10(5) (2021-06-03)
The impact of domestic cooking (baking, boiling, frying and grilling) and in vitro digestion on the stability and release of phenolic compounds from yellow-skinned (YSO) and red-skinned onions (RSO) have been evaluated. The mass spectrometry identification pointed out flavonols as
Andrej Živković et al.
Foods (Basel, Switzerland), 10(4) (2021-05-01)
The aim was to investigate the effects of the cold dehulling of buckwheat seeds on their germination, total phenolic content (TPC), antioxidant activity (AA) and phenolics composition. Cold dehulling had no negative effects on germination rate and resulted in faster
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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