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β-Glucogallin (1-O-Galloyl-β-D-glucose)

Cat No.:V73736 Purity: ≥98%
β-Glucogallin is a potent and specific aldose reductase (AKR1B1) inhibitor.
β-Glucogallin (1-O-Galloyl-β-D-glucose)
β-Glucogallin (1-O-Galloyl-β-D-glucose) Chemical Structure CAS No.: 13405-60-2
Product category: Aldose Reductase
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
β-Glucogallin is a potent and specific aldose reductase (AKR1B1) inhibitor. β-Glucogallin can be extracted from the medicinal plant Emblica officinalis.
β-Glucogallin (1-O-Galloyl-β-D-glucose) (CAS#: 13405-60-2) is a gallotannin-class polyphenolic glycoside and a plant secondary metabolite found in Emblica officinalis (Indian gooseberry). It functions as a selective aldose reductase (AKR1B1) inhibitor and possesses free radical scavenging properties. The compound has a molecular formula of C13H16O10 and a molecular weight of 332.26 g/mol. β-Glucogallin is also known as 1-O-galloyl-β-D-glucose and is a galloyl-beta-D-glucose compound with a galloyl group at the 1-position. It is a white to off-white solid powder. The compound is being studied for its potential in treating diabetic complications, particularly in ocular and retinal models, due to its ability to inhibit aldose reductase and prevent the accumulation of sorbitol. Its glycosidic linkage alters its pharmacokinetic profile and molecular recognition compared to simpler phenolic acids. β-Glucogallin has been reported in Camellia sinensis, Quercus acutissima, and other organisms.
Biological Activity I Assay Protocols (From Reference)
Targets
The primary target of β-Glucogallin is aldose reductase (AKR1B1), a key enzyme in the polyol pathway that converts glucose to sorbitol. Overactivity of aldose reductase leads to the accumulation of sorbitol in tissues, which is implicated in the pathogenesis of diabetic complications such as cataracts, neuropathy, and retinopathy. β-Glucogallin is a potent and specific inhibitor of AKR1B1, with an IC50 value of 17 µM. By inhibiting this enzyme, β-Glucogallin reduces glucose-induced sorbitol accumulation, thereby mitigating the osmotic and oxidative stress associated with diabetic complications. The compound's selectivity for AKR1B1 over other related enzymes makes it a valuable tool for studying the role of the polyol pathway in diabetes.
ln Vitro
In vitro, β-Glucogallin has demonstrated potent inhibitory activity against aldose reductase (AKR1B1) with an IC50 of 17 µM. It inhibits glucose-induced sorbitol accumulation in various cell types. The compound also exhibits antioxidant properties, including free radical scavenging activity. In addition to its anti-glycation and anti-inflammatory properties, β-Glucogallin has been shown to protect cells from oxidative damage. The compound is soluble in DMSO and has a logP of -1.4, indicating high hydrophilicity. Its in vitro activity profile supports its potential as a therapeutic agent for diabetic complications and other conditions associated with oxidative stress and advanced glycation end-products.
ln Vivo
In vivo, β-Glucogallin has been studied in a transgenic mouse model overexpressing human aldose reductase 2 (AKR1B1). At a concentration of 30 µM, the compound inhibited glucose-induced sorbitol accumulation in lenses isolated from these mice. This demonstrates its efficacy in a relevant in vivo model of diabetic complications. The compound's ability to reduce sorbitol levels in target tissues suggests that it could prevent or delay the onset of diabetic cataracts and other complications. However, detailed pharmacokinetic and pharmacodynamic studies in animal models are limited. Further in vivo research is needed to fully characterize its efficacy, safety, and therapeutic potential.
Enzyme Assay
The in vitro enzyme assay for β-Glucogallin involves measuring the inhibition of aldose reductase (AKR1B1) activity. Recombinant human AKR1B1 enzyme is incubated with the substrate DL-glyceraldehyde and the cofactor NADPH in a suitable buffer system. Test compounds, including β-Glucogallin, are added at various concentrations. The reaction is initiated by the addition of the substrate, and the decrease in NADPH absorbance is monitored spectrophotometrically at 340 nm. The IC50 value is calculated by fitting dose-response curves to the inhibition data. This assay allows for the quantification of the compound's potency and selectivity against aldose reductase.
Cell Assay
Cellular assays for β-Glucogallin typically use cell lines that express aldose reductase, such as lens epithelial cells or retinal cells. Cells are cultured in high-glucose medium to induce sorbitol accumulation, mimicking diabetic conditions. They are then treated with β-Glucogallin at various concentrations. After incubation, the intracellular sorbitol levels are measured using enzymatic or chromatographic methods. The compound's ability to reduce sorbitol accumulation and protect cells from oxidative stress is assessed. Cell viability and markers of oxidative stress may also be evaluated to determine the cytoprotective effects of β-Glucogallin.
Animal Protocol
In vivo animal studies for β-Glucogallin typically involve the use of rodent models of diabetes, such as streptozotocin-induced diabetic rats or transgenic mice overexpressing human aldose reductase. The compound is administered via oral gavage or intraperitoneal injection at various doses. Following treatment, tissues such as the lens, retina, and sciatic nerve are collected to measure sorbitol levels. Blood glucose and other metabolic parameters are also monitored. The compound's ability to prevent or reverse diabetic complications, such as cataract formation or nerve conduction velocity deficits, is evaluated.
ADME/Pharmacokinetics
As a small molecule, the pharmacokinetic properties of β-Glucogallin would depend on its physicochemical characteristics. The compound has a molecular weight of 332.26 g/mol, a logP of -1.4, and a hydrogen bond donor count of 7, indicating high hydrophilicity. It is soluble in DMSO and has limited solubility in water. The compound is stable as a powder at -20°C for up to 3 years and in solution at -80°C for up to 6 months. Its glycosidic linkage may affect its oral bioavailability and metabolic stability. Detailed ADME parameters such as half-life, bioavailability, and tissue distribution are not fully available in the public domain.
Toxicity/Toxicokinetics
There is no specific toxicity data reported for β-Glucogallin in the available literature. As a natural product and research chemical, it is generally considered safe at research doses. However, standard safety precautions should be followed when handling the compound. Toxicity studies, including acute and sub-chronic dosing in animal models, would be required if the compound were to be developed further for therapeutic applications. The compound is supplied with a purity of ≥98%.
References

[1]. Design of an amide N-glycoside derivative of β-glucogallin: a stable, potent, and specific inhibitor of aldose reductase. J Med Chem. 2014 Jan 9;57(1):71-7.

Additional Infomation
1-O-galloyl-β-D-glucose is a galloyl-β-D-glucose compound with a galloyl group at the 1-position. It is a gallic acid ester and also a galloyl-β-D-glucose. β-glucosinolate has been reported in tea (Camellia sinensis), oak (Quercus acutissima), and other organisms with relevant data.
β-Glucogallin is a natural compound extracted from Emblica officinalis (Indian gooseberry), a medicinal plant used in traditional Ayurvedic medicine to treat diabetes. It is a gallotannin-class polyphenolic glycoside. The compound functions as a selective aldose reductase (AKR1B1) inhibitor and possesses free radical scavenging properties. It has been studied for its potential in treating diabetic complications, including cataracts, neuropathy, and retinopathy. β-Glucogallin has also demonstrated anti-glycation and anti-inflammatory properties. The compound is available as a research-grade chemical and is not approved for human therapeutic use. It is typically stored as a powder at -20°C.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C13H16O10
Molecular Weight
332.26
Exact Mass
332.074
CAS #
13405-60-2
PubChem CID
124021
Appearance
White to off-white solid powder
Density
1.85
Melting Point
214℃
Vapour Pressure
9.04E-23mmHg at 25°C
LogP
-1.4
Hydrogen Bond Donor Count
7
Hydrogen Bond Acceptor Count
10
Rotatable Bond Count
4
Heavy Atom Count
23
Complexity
406
Defined Atom Stereocenter Count
5
SMILES
C1=C(C=C(C(=C1O)O)O)C(=O)O[C@H]2[C@@H]([C@H]([C@@H]([C@H](O2)CO)O)O)O
InChi Key
GDVRUDXLQBVIKP-HQHREHCSSA-N
InChi Code
InChI=1S/C13H16O10/c14-3-7-9(18)10(19)11(20)13(22-7)23-12(21)4-1-5(15)8(17)6(16)2-4/h1-2,7,9-11,13-20H,3H2/t7-,9-,10+,11-,13+/m1/s1
Chemical Name
[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl] 3,4,5-trihydroxybenzoate
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 3.0097 mL 15.0485 mL 30.0969 mL
5 mM 0.6019 mL 3.0097 mL 6.0194 mL
10 mM 0.3010 mL 1.5048 mL 3.0097 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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