8-Epidiosbulbin E acetate
Based on 1 Customer Validation
8-Epidiosbulbin E acetate, a furanoid, is abundant in Dioscorea bulbifera L.. 8-Epidiosbulbin E acetate exhibits broad-spectrum plasmid-curing activity against multidrug-resistant (MDR) bacteria. 8-Epidiosbulbin E acetate induces liver injury in mice.
For research use only. We do not sell to patients.
- Purity: 98.42%
- CAS No.: 91095-48-6
- Formula: C21H24O7
- Molecular Weight:388.41
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Storage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 6 months , -20°C, 1 month
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Tel: 609-228-6898 E-mail: [email protected] [email protected]
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Biological Activity
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Chemical Information
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Solvent & Solubility
- Purity & Documentation
- References
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Help & FAQs
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Biological Activity
Please do not refer to only one article to determine the experimental conditions. It is recommended to determine the optimal experimental conditions (animal strain, age, dosage, frequency and cycle, detection time and indicators, etc.) through preliminary experiments before the formal experiment.
8-Epidiosbulbin E acetate can be used in animal modeling to create liver injury models. Pre-treatment with Ketoconazole (KTC) prevents liver injury caused by 8-Epidiosbulbin E acetate and increases the Cmax and AUC of 8-Epidiosbulbin E acetate in plasma by 7-fold and 13-fold, respectively, while reducing the urinary excretion of glutathione (GSH) conjugates derived from 8-Epidiosbulbin E acetate[1][2].
8-Epidiosbulbin E acetate mainly damaged hepatic cells through the aberrant regulation of multiple systems primarily including bile acid metabolism, and taurine and hypotaurine metabolism. In addition, an imbalance of bile acid metabolism was found to play a key pat in response to 8-Epidiosbulbin E acetate-triggered hepatotoxicity[2].
Administration: 50-150 mg/kg• i.p.• a single dose for 12, 24, 36, and 48 h[1]
Mice: ICR• male• 4-5 weeks of age• weighing: 18-22 g[2]
Administration: 150 mg/kg•p.o.•a single dose for 36 h[2]
(2) 8-Epidiosbulbin E acetate (100 mg) was individually suspended in 10 mL of corn oil[1].
(3) 8-Epidiosbulbin E acetate was suspended in 0.5% CMC-Na[2].
Pathology change: 8-Epidiosbulbin E acetate administration showed inflammatory cell infiltration, hepatic cell necrosis and focal necrosis in mice[2].
Metabolic change: 8-Epidiosbulbin E acetate administration elevated phenylalanine, tyrosine and tryptophan biosynthesis. Moreover, several other important pathways, including citrate cycle (TCA cycle), phenylalanine metabolism, β-alanine metabolism and taurine and hypotaurine metabolism, were activated in both serum and livers[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 91095-48-6
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Appearance Solid
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Molecular Weight 388.41
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Formula C21H24O7
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Color Pale purple to purple
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SMILES
CC(O[C@@H]1[C@@]([C@@](C(O2)=O)([H])C[C@@]2([H])C3)([H])[C@]3([H])[C@](C)(C[C@@H](C4=COC=C4)O5)[C@@](C5=O)([H])C1)=O
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Structure Classification
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Initial Source
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month
Solvent & Solubility
DMSO : 100 mg/mL (257.46 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
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. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
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. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
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.
Add each solvent one by one: 10% DMSO 40% PEG300 5% Tween-80 45% Saline
Solubility: ≥ 2.5 mg/mL (6.44 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 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.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: ≥ 2.5 mg/mL (6.44 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 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.
Please enter the basic information of animal experiments:
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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
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%DMSO +
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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%+
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+%Tween-80 + +
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%Saline +
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).
Working solution concentration: 0.22 mg/mL
Method for preparing stock solution: mg drug dissolved in μL DMSO. Stock solution concentration: mg/mL.
1. Take μL DMSO stock solution;
2. Add μL .
μL , mix evenly;
3. Then add μL Tween 80, mix evenly;
4. Then add μL
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
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Data Sheet (285 KB)
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SDS (393 KB)
- English - EN (393 KB)
- Français - FR (393 KB)
- Deutsch - DE (393 KB)
- Norwegian - NO (393 KB)
- Español - ES (393 KB)
- Swedish - SV (393 KB)
- Italian - IT (393 KB)
- Korean - KR (393 KB)
- Portuguese - PT (393 KB)
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Handling Instructions (2659 KB)
References
[1]. Lin D, et al. Role of Metabolic Activation in 8-Epidiosbulbin E Acetate-Induced Liver Injury: Mechanism of Action of the Hepatotoxic Furanoid. Chem Res Toxicol. 2016 Mar 21;29(3):359-66. [Content Brief]
[2]. Shi W, et al. Metabolomic-transcriptomic landscape of 8-epidiosbulbin E acetate -a major diterpenoid lactone from Dioscorea bulbifera tuber induces hepatotoxicity. Food Chem Toxicol. 2020 Jan;135:110887. [Content Brief]
[3]. Lin D, et al. In vitro and in vivo studies of the metabolic activation of 8-epidiosbulbin E acetate[J]. Chemical Research in Toxicology, 2015, 28(9): 1737-1746. [Content Brief]
[4]. Shriram V, et al. A potential plasmid-curing agent, 8-epidiosbulbin E acetate, from Dioscorea bulbifera L. against multidrug-resistant bacteria. Int J Antimicrob Agents. 2008 Nov;32(5):405-10. [Content Brief]
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. 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 | 2.5746 mL | 12.8730 mL | 25.7460 mL | 64.3650 mL |
| 5 mM | 0.5149 mL | 2.5746 mL | 5.1492 mL | 12.8730 mL | |
| 10 mM | 0.2575 mL | 1.2873 mL | 2.5746 mL | 6.4365 mL | |
| 15 mM | 0.1716 mL | 0.8582 mL | 1.7164 mL | 4.2910 mL | |
| 20 mM | 0.1287 mL | 0.6436 mL | 1.2873 mL | 3.2182 mL | |
| 25 mM | 0.1030 mL | 0.5149 mL | 1.0298 mL | 2.5746 mL | |
| 30 mM | 0.0858 mL | 0.4291 mL | 0.8582 mL | 2.1455 mL | |
| 40 mM | 0.0644 mL | 0.3218 mL | 0.6436 mL | 1.6091 mL | |
| 50 mM | 0.0515 mL | 0.2575 mL | 0.5149 mL | 1.2873 mL | |
| 60 mM | 0.0429 mL | 0.2145 mL | 0.4291 mL | 1.0727 mL | |
| 80 mM | 0.0322 mL | 0.1609 mL | 0.3218 mL | 0.8046 mL | |
| 100 mM | 0.0257 mL | 0.1287 mL | 0.2575 mL | 0.6436 mL |
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