Galactinol dihydrate
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Galactinol dihydrate is a disaccharide carbohydrate serving as a galactosyl donor, which belongs to the raffinose family oligosaccharide pathway and acts as an important osmoprotectant. Galactinol dihydrate not only induces disease resistance in plants against fungal and bacterial pathogens, but also significantly enhances plant tolerance to abiotic stresses such as drought, high salinity, low temperature and oxidative damage. In addition, Galactinol dihydrate has the ability to scavenge hydroxyl radicals, can act as a signaling component for root colonization-induced systemic resistance, and is positively correlated with seed longevity in various crops, making it a potential biomarker for evaluating seed vigor. Therefore, Galactinol dihydrate can be used in the research of various plant diseases including fungal leaf spot, bacterial angular leaf spot, gray mold and soft rot.
For research use only. We do not sell to patients.
- Purity: 98.0%
- CAS No.: 1217474-91-3
- Formula: C12H26O13
- Molecular Weight:378.33
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Storage:
4°C, sealed storage, away from moisture
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
To place orders, for customer services and technical support, please contact: MedChemExpress USA
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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All Galectin Isoforms
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Biological Activity
Galactinol dihydrate (0.5-10 mM) potently scavenges hydroxyl radicals in vitro with an ID50 of 3.1 ± 0.3 mM and a second-order rate constant of 7.8 ± 0.81 × 109 M-1s-1[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Galactinol dihydrate (40.4 ± 18.8-1,727 ± 366 nmol g-1 fresh weight; endogenous production via transgene overexpression) in Arabidopsis thaliana ecotype Columbia plants confers protection against methylviologen-induced oxidative stress under high light intensity, as evidenced by reduced visible leaf injury, preserved PSII activity, and reduced lipid peroxidation[1].
Galactinol dihydrate (40.4 ± 18.8-1,727 ± 366 nmol g-1 fresh weight; endogenous production via transgene overexpression) in Arabidopsis thaliana ecotype Columbia plants confers protection against salinity stress, as evidenced by reduced visible leaf bleaching, preserved PSII activity, and reduced lipid peroxidation[1].
Galactinol dihydrate (0.5-5 mM; root application) confers enhanced resistance to fungal and bacterial pathogens, tolerance to drought and high-salinity stress at 0.5 mM, while 5 mM induces expression of specific defense-related genes in wild-type tobacco[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. 1217474-91-3
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Appearance Solid
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Molecular Weight 378.33
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Formula C12H26O13
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Color White to off-white
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SMILES
O[C@H]([C@H]([C@@H]([C@H]([C@H]1O)O)O)O)[C@@H]1O[C@H]2O[C@@H]([C@@H]([C@@H]([C@H]2O)O)O)CO.O.O
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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
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
Solvent & Solubility
H2O : 125 mg/mL (330.40 mM; Need ultrasonic)
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). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
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). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Purity & Documentation
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Data Sheet (280 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]. Nishizawa A, et al. Galactinol and raffinose constitute a novel function to protect plants from oxidative damage. Plant Physiol. 2008 Jul;147(3):1251-63. [Content Brief]
[2]. Kim MS, et al. Galactinol is a signaling component of the induced systemic resistance caused by Pseudomonas chlororaphis O6 root colonization. Mol Plant Microbe Interact. 2008;21(12):1643-1653. [Content Brief]
[3]. de Souza Vidigal D, et al. Galactinol as marker for seed longevity. Plant Sci. 2016;246:112-118. [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). 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 |
|---|---|---|---|---|---|
| H2O | 1 mM | 2.6432 mL | 13.2160 mL | 26.4320 mL | 66.0799 mL |
| 5 mM | 0.5286 mL | 2.6432 mL | 5.2864 mL | 13.2160 mL | |
| 10 mM | 0.2643 mL | 1.3216 mL | 2.6432 mL | 6.6080 mL | |
| 15 mM | 0.1762 mL | 0.8811 mL | 1.7621 mL | 4.4053 mL | |
| 20 mM | 0.1322 mL | 0.6608 mL | 1.3216 mL | 3.3040 mL | |
| 25 mM | 0.1057 mL | 0.5286 mL | 1.0573 mL | 2.6432 mL | |
| 30 mM | 0.0881 mL | 0.4405 mL | 0.8811 mL | 2.2027 mL | |
| 40 mM | 0.0661 mL | 0.3304 mL | 0.6608 mL | 1.6520 mL | |
| 50 mM | 0.0529 mL | 0.2643 mL | 0.5286 mL | 1.3216 mL | |
| 60 mM | 0.0441 mL | 0.2203 mL | 0.4405 mL | 1.1013 mL | |
| 80 mM | 0.0330 mL | 0.1652 mL | 0.3304 mL | 0.8260 mL | |
| 100 mM | 0.0264 mL | 0.1322 mL | 0.2643 mL | 0.6608 mL |
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
Galactinol dihydrate Related Classifications
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