2. NF-κB Anti-infection Cell Cycle/DNA Damage Metabolic Enzyme/Protease
  3. Keap1-Nrf2 Influenza Virus DNA/RNA Synthesis Endogenous Metabolite
  4. Eriodictyol

Eriodictyol  (Synonyms: Huazhongilexone)

Cat. No.: HY-N0637 Purity: 99.85%
COA Handling Instructions

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Eriodictyol is a flavonoid isolated from the Chinese herb, with antioxidant and anti-inflammatory activity. Eriodictyol induces Nrf2 signaling pathway. Eriodictyol is also a potent influenza RNA-dependent RNA polymerase inhibitor with an IC50 of 18 nM.

For research use only. We do not sell to patients.

Eriodictyol Chemical Structure

Eriodictyol Chemical Structure

CAS No. : 552-58-9

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Based on 3 publication(s) in Google Scholar

Other Forms of Eriodictyol:

Eriodictyol Related Antibodies

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  • Biological Activity

  • Protocol

  • Purity & Documentation

  • References

  • Customer Review

Description

Eriodictyol is a flavonoid isolated from the Chinese herb, with antioxidant and anti-inflammatory activity. Eriodictyol induces Nrf2 signaling pathway. Eriodictyol is also a potent influenza RNA-dependent RNA polymerase inhibitor with an IC50 of 18 nM.

IC50 & Target

Nrf2[1]
In Vitro

Eriodictyol is a flavonoid isolated from the Chinese herb, with antioxidant and anti-inflammatory activity[1]. Eriodictyol (20, 40, 80 μM) protects primary cultured cortical neurons against Aβ25-35-induced cytotoxicity and cell apoptosis via the Nrf2/ARE pathway. Eriodictyol (80 μM) induces nuclear expression of Nrf2 and the expression of ARE-regulated genes in primary cultured cortical neurons[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Eriodictyol Related Antibodies
In Vivo

Eriodictyol shows protective effect against LPS-induced acute lung injury (ALI). Eriodictyol (30 mg/kg, p.o.) decreases the production of inflammatory cytokines, elevates survival rate, and decreases oxidative stress levels in LPS-induced ALI mice. Eriodictyol inhibits MPO activity and inflammatory neutrophil accumulation in the lung tissues. Eriodictyol treatment also enhances Trx1 expression by upregulating the Nrf2 expression in lung tissues[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Molecular Weight

288.25

Formula

C15H12O6
CAS No.
Appearance

Solid

Color

Off-white to light yellow

SMILES

O=C1C[C@@H](C2=CC=C(O)C(O)=C2)OC3=CC(O)=CC(O)=C13
Structure Classification
Initial Source
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

4°C, protect from light

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

Solvent & Solubility
In Vitro: 

DMSO : 125 mg/mL (433.65 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

H2O : < 0.1 mg/mL (insoluble)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 3.4692 mL 17.3461 mL 34.6921 mL
5 mM 0.6938 mL 3.4692 mL 6.9384 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

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  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
=
Concentration
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Volume
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Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

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Volume (start)

V1

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Concentration (final)

C2

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Volume (final)

V2

In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: ≥ 2.58 mg/mL (8.95 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.58 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.8 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

    Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
  • Protocol 2

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in Saline)

    Solubility: ≥ 2.58 mg/mL (8.95 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.58 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.8 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

    Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

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mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Purity & Documentation

Purity: 99.85%

COA (248 KB) LCMS (268 KB)

Handling Instructions (2659 KB)
References
Cell Assay
[2]

Primary cultures of cortical neurons are prepared from day 17 Sprague-Dawley rat embryos and maintained in Neurobasal A medium supplemented with B27. Experiments are performed 7 days after seeding. Aβ25-35 is dissolved in deionized distilled water at a concentration of 1 mM and incubated at 37°C for 7 days to induce its aggregation. Eriodictyol is added at indicated concentrations (20, 40, 80 μM) 2 h prior to Aβ25-35 treatment. Eriodictyol is dissolved in dimethyl sulfoxide (DMSO) at 64 mM as stock solution and diluted in culture medium before use[2].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
Animal Administration
[1]

Mice[1]
Eighty female C57BL/6 mice are anesthetized by an intraperitoneal injection of 150 mg/kg ketamine HCl and 65 µg/kg xylazine hydrochloride. E. coli LPS is instilled intratracheally (25 µg in 50 µL sterile saline) during inspiration. The control mice receive PBS instillation, while the Eriodictyol- and vehicle-treated mice receive Eriodictyol (30 mg/kg, dissolved in PBS) and vehicle (PBS), respectively, orally 2 days prior to the induction of ALI. The mice are then sacrificed by an intravenous injection of thiopental 24 h after the induction of ALI. The thorax is opened and the blood is sampled by cardiac puncture. Simultaneously, three bronchoalveolar lavage (BAL) procedures are performed, each using 0.5 mL normal saline. The blood is centrifuged (2,000 × g, for 10 min at 4°C) and the serum is stored for further processing; the survival curve is then depicted using the Kaplan-Meier method[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 3.4692 mL 17.3461 mL 34.6921 mL 86.7303 mL
5 mM 0.6938 mL 3.4692 mL 6.9384 mL 17.3461 mL
10 mM 0.3469 mL 1.7346 mL 3.4692 mL 8.6730 mL
15 mM 0.2313 mL 1.1564 mL 2.3128 mL 5.7820 mL
20 mM 0.1735 mL 0.8673 mL 1.7346 mL 4.3365 mL
25 mM 0.1388 mL 0.6938 mL 1.3877 mL 3.4692 mL
30 mM 0.1156 mL 0.5782 mL 1.1564 mL 2.8910 mL
40 mM 0.0867 mL 0.4337 mL 0.8673 mL 2.1683 mL
50 mM 0.0694 mL 0.3469 mL 0.6938 mL 1.7346 mL
60 mM 0.0578 mL 0.2891 mL 0.5782 mL 1.4455 mL
80 mM 0.0434 mL 0.2168 mL 0.4337 mL 1.0841 mL
100 mM 0.0347 mL 0.1735 mL 0.3469 mL 0.8673 mL
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Eriodictyol Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

Eriodictyol552-58-9HuazhongilexoneKeap1-Nrf2Influenza VirusDNA/RNA SynthesisEndogenous MetaboliteInhibitorinhibitorinhibit

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