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Merck
CN

C1788

(±)-儿茶精 水合物

别名:

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

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关于此项目

经验公式(希尔记法):
C15H14O6 · xH2O
化学文摘社编号:
分子量:
290.27 (anhydrous basis)
UNSPSC Code:
85151701
NACRES:
NA.79
PubChem Substance ID:
EC Number:
230-731-2
Beilstein/REAXYS Number:
92762
MDL number:
Assay:
≥96% (HPLC)
Form:
powder
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InChI key

OFUMQWOJBVNKLR-NQQJLSKUSA-N

InChI

1S/C15H14O6.H2O/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;1H2/t13-,15+;/m0./s1

SMILES string

[H]O[H].O[C@H]1Cc2c(O)cc(O)cc2O[C@@H]1c3ccc(O)c(O)c3

assay

≥96% (HPLC)

form

powder

technique(s)

HPLC: suitable

color

white to light brown

mp

200 °C (decomposes on heating)

storage temp.

2-8°C

Quality Level

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General description

儿茶素由儿茶树生产,广泛存在于茶叶、葡萄籽、蔬菜和植物饮料中。它是一种来源于植物的多酚抗氧化剂,是植物次级代谢物。

Application

((±)-儿茶素水合物已被用于:
  • 研究其对人卵巢癌细胞耐药性的调节作用
  • 建立总类黄酮含量的标准曲线
  • 研究其对番茄生理参数的影响

Biochem/physiol Actions

儿茶素具有植物毒性。外消旋儿茶素可用于种子发芽和植物入侵性研究。儿茶素和表没食子儿茶素没食子酸酯(EGCG)可以与其他多酚类黄酮一起使用,用于研究其在氧化和过氧化相关过程中的作用。
多酚抗氧化剂。用于中药。

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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I Ibero-Baraibar et al.
Nutrition, metabolism, and cardiovascular diseases : NMCD, 24(4), 416-422 (2014-01-28)
Cocoa flavanols are recognised by their favourable antioxidant and vascular effects. This study investigates the influence on health of the daily consumption of ready-to-eat meals supplemented with cocoa extract within a hypocaloric diet, on middle-aged overweight/obese subjects. Fifty healthy male
In vitro potential of phenolic phytochemicals from black rice on starch digestibility and rheological behaviors
An JS, et al.
Journal of Cereal Science, 70, 214-220 (2016)
Olga Michel et al.
Acta biochimica Polonica, 65(2), 173-184 (2018-05-26)
Until recently, green tea polyphenols were considered strong antioxidants. However, the latest reports have revealed that bioflavonoids can play a multiple role in anticancer therapy, including the inhibition of cell proliferation and generation of the oxidative stress in a dose-dependent
The role of catechins in cellular responses to oxidative stress
Bernatoniene J and Kopustinskiene D
Molecules (Basel), 23(4), 965-965 (2018)
Catechin secretion & phytotoxicity: Fact not fiction
Bais HP and Kaushik S
Communicative & Integrative Biology, 3(5), 468-470 (2010)

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