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Merck

Q4951

Sigma-Aldrich

槲皮素

≥95% (HPLC), solid

别名:

2-(3,4-二羟苯基)-3,5,7-三羟基-4H-1-苯并吡喃-4-酮, 3,3′,4′,5,6-五羟基黄酮

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About This Item

经验公式(希尔记法):
C15H10O7
CAS号:
分子量:
302.24
Beilstein:
317313
EC號碼:
分類程式碼代碼:
12352207
PubChem物質ID:

生物源

synthetic (organic)

品質等級

化驗

≥95% (HPLC)

形狀

solid

mp

316.5 °C

溶解度

water: practically insoluble

儲存溫度

room temp

SMILES 字串

OC1=CC(O)=C2C(OC(C3=CC=C(O)C(O)=C3)=C(O)C2=O)=C1

InChI

1S/C15H10O7/c16-7-4-10(19)12-11(5-7)22-15(14(21)13(12)20)6-1-2-8(17)9(18)3-6/h1-5,16-19,21H

InChI 密鑰

REFJWTPEDVJJIY-UHFFFAOYSA-N

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一般說明

Quercetin is a polyphenolic flavonoid, found in food including onions, asparagus, buckwheat, radish leaves, green tea, cranberry, broccoli, apple, blueberry, and coriander. Quercetin shows strong intramolecular H-binding, which contributes to the bioavailability and transport of the compound. This explains the biological multi-functional nature of the compound and allows for the formation of strong complexes, frequently with metals. Quercetin inhibits cellular proliferation and minimizes DNA damage. Among its many cardiovascular protection properties, quercetin has antioxidant and antiplatelet properties as well as antiplatelet and anti-muscle cell proliferation and migration. It also enhances cardiac cell mitochondrial function and inhibits NF-κB. Numerous animal studies involving dietary quercetin supplementation have shown a protective effect against cardiac problems.

應用

  • 槲皮素是一种抗氧化剂,可逆转2型糖尿病患者高血糖和高血糖血清的免疫抑制作用。
  • 它已被用作 欧洲黑蜂的一种解毒植物化学物质。
  • 它被用作DPPH(2,2-二苯基-1-苦肼)自由基清除实验中的阳性对照。它还可用于制作总黄酮含量测定的校准曲线。

生化/生理作用

槲皮素是一种具有抗癌活性的黄酮类化合物。 槲皮素是一种线粒体ATP酶和磷酸二酯酶抑制剂。它抑制PI3激酶活性,并略抑制PIP激酶活性。槲皮素对癌细胞具有抗增殖作用,通过II型雌激素受体降低癌细胞生长,并在细胞周期G1晚期抑制人白血病T细胞。 槲皮素还可能抑制脂肪酸合酶活性。

特點和優勢

该化合物收录于受体分类和信号转导手册的《多巴胺和去甲肾上腺素代谢》页面。想要浏览手册的其他页面, 请单击此处
该化合物是ADME毒素和激酶磷酸酶的特色产品。点击这里 以发现更多ADME Tox激酶磷酸酶生物学 特色产品。在sigma.com/discover-bsm 上了解有关生物活性小分子在其他研究领域的更多信息。

準備報告

This chemical is soluble in DMSO (30 mg/ml), DMF (~30 mg/ml), and ethanol (~2 mg/ml).

象形圖

Skull and crossbones

訊號詞

Danger

危險聲明

危險分類

Acute Tox. 3 Oral

儲存類別代碼

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

水污染物質分類(WGK)

WGK 3

個人防護裝備

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges


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Antioxidants (Basel, Switzerland), 8(4) (2019-04-04)
Exhausted woods represent a byproduct of tannin industrial production processes and their possible exploitation as a source of antioxidant compounds has remained virtually unexplored. We herein report the characterization of the antioxidant and other properties of practical interest of exhausted
Phenolic and flavonoid content and antioxidants capacity of pressurized liquid extraction and perculation method from roots of Scutellaria pinnatifida A. Hamilt. subsp alpina (Bornm) Rech. f.
Golmakani E et al.
Journal of Supercritical Fluids, 95, 318-324 (2014)

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实验方案

Protocol for HPLC Analysis of Flavonoids on Ascentis® RP-Amide

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