Soyasaponin Bb
Based on 1 publication(s) in Google Scholar
Soyasaponin Bb is an orally active, covalent inducer of heme oxygenase HO-1 and an inhibitor of aldose reductase AKR1B1. Soyasaponin Bb can regulate oxidative stress pathways, enhance antioxidant capacity, reduce reactive oxygen species (ROS) generation, and inhibit lipid peroxidation and hepatocyte apoptosis. Soyasaponin Bb improves alcohol-induced hepatocyte membrane damage and liver function abnormalities, and improves Scopolamine (HY-N0296)-induced memory impairment. Soyasaponin Bb has antioxidant, hepatoprotective, and neuroprotective activities.
For research use only. We do not sell to patients.
- Purity : 99.88%
- CAS No.: 51330-27-9
- Formula: C48H78O18
- Molecular Weight:943.12
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Storage:
4°C, sealed storage, away from moisture and light
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)
Publications Citing Use of MedChemExpress (MCE) Soyasaponin Bb
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Biological Activity
Description
IC50 & Target
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HO-1 |
In Vitro
Soyasaponin Bb (25-100 μg/mL; pretreatment for 24 h + ethanol treatment for 24 h) increases cell viability, reduces reactive oxygen species (ROS) levels, increases superoxide dismutase (SOD) and glutathione (GSH) activities, downregulates malondialdehyde (MDA) and alanine aminotransferase (ALT) levels, and induces heme oxygenase-1 (HO-1) expression in rat hepatocyte BRL 3A assay[1].
Soyasaponin Bb (2.36-94.30 mg/L; 4 h) shows no significant cytotoxicity in the Caco-2 intestinal epithelial cell experiment. Soyasaponin Bb has an apparent permeability (Papp) across the membrane of less than 1.0×10-6 cm/s), with the apical-to-basolateral (AP-BL) transport significantly higher than the basolateral-to-apical (BL-AP) transport, indicating that the cell permeation of Soyasaponin Bb is mainly passive transport[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only. Further protocols information, click here.
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Cell Line:Rat BRL 3A hepatocytes
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Concentration:0, 25, 50, 100 μg/mL
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Incubation Time:24 h pretreatment with Soyasaponin Bb, followed by 24 h ethanol (250 mmol/L) treatment
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Result:Dose-dependently increased cell viability, with 50 and 100 μg/mL groups showing significant protection compared to the ethanol-alone group.
The 25 μg/mL group showed minimal improvement.
In Vivo
Soyasaponin Bb (10 mg/kg; oral administration; once a day; for 5 consecutive days) significantly improves passive avoidance, Y-maze and Morris water maze task performance in the Scopolamine (HY-N0296)-induced mouse memory impairment model, increases brain-derived neurotrophic factor (BDNF) expression and cyclic adenosine monophosphate response element binding protein (CREB) phosphorylation level, without inhibiting acetylcholinesterase (AChE) activity[3].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:Scopolamine-induced ICR mice Memory Impairment Model (male; 18-22 g, 5 weeks old)[3]
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Dosage:10 mg/kg
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Administration:Oral gavage, once 1 hour before scopolamine injection, single dose
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Result:Significantly increased the latency time to enter the dark compartment in the retention trial, restoring memory impairment to 97% of the untreated normal control level, comparable to the positive control tacrine (10 mg/kg).
No significant differences were observed during the acquisition trial.
Chemical Information
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CAS No. 51330-27-9
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Appearance Solid
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Molecular Weight 943.12
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Formula C48H78O18
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Color White to off-white
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SMILES
O[C@H]([C@H]1O[C@@]2([H])[C@H](O[C@]3([H])O[C@@H](C)[C@H](O)[C@@H](O)[C@H]3O)[C@@H](O)[C@@H](O)[C@@H](CO)O2)[C@H](O)[C@@H](C(O)=O)O[C@@]1([H])O[C@@H]4[C@@](CO)(C)[C@]5([H])CC[C@@]6(C)[C@]7(C)CC[C@@]8(C)[C@H](O)CC(C)(C)C[C@@]8([H])C7=CC[C@]6([H])[C@@]5(C)CC4
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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
4°C, sealed storage, away from moisture and light
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)
Publications (1)
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Journal Impact Factor
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Most Recent
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Food Chem
Activation of bitter taste receptors by saponins and alkaloids identified in faba beans (Vicia faba L. minor). [Abstract]2023 Nov 15:426:136548. PMID: 37302309
Solvent & Solubility
In Vitro:
DMSO : 100 mg/mL (106.03 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 (sealed storage, away from moisture and light). 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 (sealed storage, away from moisture and light). 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)
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.
Add each solvent one by one: 10% DMSO 40% PEG300 5% Tween-80 45% Saline
Solubility: ≥ 2.5 mg/mL (2.65 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 (2.65 mM); Suspended solution; Need ultrasonic
This protocol yields a suspended solution of 2.5 mg/mL. Suspended solution can be used for oral and intraperitoneal injection.
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.
In Vivo Dissolution Calculator
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. * In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)
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.
Protocols
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Apoptosis
Apoptosis, also called programmed cell death, is generally characterized by distinct morphological characteristics.
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TUNEL staining for apoptotic DNA fragmentation
TUNEL staining detects DNA strand breaks by using terminal deoxynucleotidyl transferase to add labeled nucleotides to exposed 3′-OH DNA termini, generating either microscopic staining in fixed cells or tissue sections, or fluorescence/cytometric signal in cell suspensions. TUNEL positivity reflects DNA fragmentation but should not be interpreted alone as definitive apoptosis, because TUNEL can also label necrotic, autolytic, mechanically damaged, or DNA-repair-associated DNA breaks.
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Annexin V plus membrane-impermeant dye apoptosis staining
Annexin V-based apoptosis assays rely on the detection of phosphatidylserine (PS) externalization from the inner leaflet of the plasma membrane to the outer leaflet, an early biochemical hallmark of apoptosis. Fluorescently labeled Annexin V binds PS in a calcium-dependent manner, enabling identification of early apoptotic cells by flow cytometry or fluorescence microscopy. When combined with a membrane-impermeant DNA-binding dye (e. g. , propidium iodide), this approach allows discrimination between viable (Annexin V−/dye−), early apoptotic (Annexin V+/dye−), and late apoptotic or necrotic (Annexin V+/dye+) cell populations by assessing membrane integrity and PS exposure.
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ROS/oxidative-stress fluorescent staining
ROS/oxidative-stress fluorescent staining uses cell-permeant fluorogenic probes that become fluorescent after oxidation inside cells or tissues; commonly used examples include DCFH-DA/DCFDA for broad cellular oxidant detection, DHE for superoxide-related signal detection, MitoSOX for mitochondrial superoxide-related signal detection, and CellROX probes for oxidative-stress-associated fluorescence readouts. The assay detects probe oxidation rather than a single ROS species unless the probe and analysis method have been chemically validated for that species. DCFH-DA enters cells, is deacetylated by intracellular esterases to DCFH, and produces fluorescent DCF after oxidation, so the readout is used as an operational measure of total cellular oxidative stress rather than a species-specific ROS measurement. DHE and MitoSOX can report superoxide-related oxidation, but red fluorescence alone can include non-specific ethidium-like oxidation products; HPLC or optimized spectral approaches are
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Apoptosis Solutions
Apoptosis is a regulated, generally non-lytic cell-death pathway that removes unwanted, damaged, infected, or abnormal cells through coordinated morphological changes, caspase activation, DNA fragmentation, and membrane remodeling. The intrinsic apoptosis pathway is controlled mainly by mitochondrial outer membrane permeabilization, BCL-2 family proteins, cytochrome c release, apoptosome formation, caspase-9 activation, and downstream executioner caspase-3/7 activation. The extrinsic apoptosis pathway is initiated by death receptors such as Fas, TNFR, and TRAIL receptors, which recruit adaptor proteins and activate caspase-8 before engaging executioner caspases or mitochondrial amplification through BID cleavage. Apoptosis is linked to many phenotypes, including cancer cell killing, tissue homeostasis, immune regulation, neurodegeneration, infection response, and treatment-induced cytotoxicity; unresolved questions include how apoptosis interacts with necroptosis, pyroptosis, ferroptos
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Ferroptosis Solutions
Ferroptosis is an iron-dependent, non-apoptotic form of regulated cell death characterized by lethal lipid peroxidation and sensitivity to suppression by iron chelators or lipophilic radical-trapping antioxidants. The core pathway links cystine uptake through system Xc−, glutathione availability, GPX4-dependent detoxification of phospholipid hydroperoxides, iron-dependent oxidative reactions, and polyunsaturated-phospholipid metabolism into a cell-death program that is biochemically and morphologically distinct from apoptosis, necrosis, and autophagy. The ferroptosis pathway is experimentally linked to phenotype through chemical and genetic perturbation. Erastin induces ferroptosis by inhibiting cystine uptake through system Xc− and weakening antioxidant defenses, while GPX4 inhibition or depletion causes lipid peroxide accumulation and ferroptotic cancer-cell death. ACSL4 and oxidizable arachidonoyl- or adrenoyl-containing phosphatidylethanolamines shape ferroptosis sensitivity by con
Purity & Documentation
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Data Sheet (285 KB)
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SDS (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Korean - KR (252 KB)
- Portuguese - PT (252 KB)
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Handling Instructions (2659 KB)
References
[1]. Lijie Z, et al. Soyasaponin Bb Protects Rat Hepatocytes from Alcohol-Induced Oxidative Stress by Inducing Heme Oxygenase-1. Pharmacogn Mag. 2016 Oct-Dec;12(48):302-306 [Content Brief]
[3]. Hong SW, et al. Soyasaponins Ab and Bb prevent scopolamine-induced memory impairment in mice without the inhibition of acetylcholinesterase. J Agric Food Chem. 2014 Mar 5;62(9):2062-8. [Content Brief]
[4]. Balestri F, et al. Soyasaponins from Zolfino bean as aldose reductase differential inhibitors. J Enzyme Inhib Med Chem. 2019 Dec;34(1):350-360. [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 (sealed storage, away from moisture and 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 | 1.0603 mL | 5.3016 mL | 10.6031 mL | 26.5078 mL |
| 5 mM | 0.2121 mL | 1.0603 mL | 2.1206 mL | 5.3016 mL | |
| 10 mM | 0.1060 mL | 0.5302 mL | 1.0603 mL | 2.6508 mL | |
| 15 mM | 0.0707 mL | 0.3534 mL | 0.7069 mL | 1.7672 mL | |
| 20 mM | 0.0530 mL | 0.2651 mL | 0.5302 mL | 1.3254 mL | |
| 25 mM | 0.0424 mL | 0.2121 mL | 0.4241 mL | 1.0603 mL | |
| 30 mM | 0.0353 mL | 0.1767 mL | 0.3534 mL | 0.8836 mL | |
| 40 mM | 0.0265 mL | 0.1325 mL | 0.2651 mL | 0.6627 mL | |
| 50 mM | 0.0212 mL | 0.1060 mL | 0.2121 mL | 0.5302 mL | |
| 60 mM | 0.0177 mL | 0.0884 mL | 0.1767 mL | 0.4418 mL | |
| 80 mM | 0.0133 mL | 0.0663 mL | 0.1325 mL | 0.3313 mL | |
| 100 mM | 0.0106 mL | 0.0530 mL | 0.1060 mL | 0.2651 mL |