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Merck

68097

Supelco

(−)-表儿茶素

analytical standard

别名:

(-)-顺式-3,3′,4′,5,7-五羟基黄烷, (2R,3R)-2-(3,4-二羟基苯基)-3,4-二氢-1(2H)-苯并吡喃-3,5,7-三醇

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10 MG
$719.00

$719.00


预计发货时间2025年6月05日详情


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10 MG
$719.00

About This Item

经验公式(希尔记法):
C15H14O6
CAS号:
分子量:
290.27
Beilstein:
92760
EC 号:
MDL编号:
UNSPSC代码:
85151701
PubChem化学物质编号:
NACRES:
NA.24

$719.00


预计发货时间2025年6月05日详情


Request a Bulk Order

等级

analytical standard

质量水平

方案

≥97.0% (HPLC)

保质期

limited shelf life, expiry date on the label

技术

HPLC: suitable
gas chromatography (GC): suitable

mp

240 °C (dec.) (lit.)

应用

food and beverages

包装形式

neat

运输

wet ice

储存温度

2-8°C

SMILES字符串

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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一般描述

(−)-表儿茶素是一种单体儿茶素和多酚成分,属于黄烷-3-酚类。它主要存在于苹果、苹果制品和绿茶中。[1][2][3]

应用

(−)-表儿茶素可作为分析参考标准品,通过高效液相色谱技术对绿茶中分析物进行定量。[1]
有关合适仪器技术的更多信息,请参考产品分析证书。如需进一步支持,请联系技术服务。

包装

无底玻璃瓶。内含物在插入的融合锥体内。

象形图

Exclamation mark

警示用语:

Warning

危险声明

危险分类

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

靶器官

Respiratory system

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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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
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)
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

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