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D-Galactose

Cat. No. M9976
D-Galactose Structure
Synonym:

D-(+)-Galactose

Size Price Availability Quantity
10g USD 30  USD30 In stock
50g USD 75  USD75 In stock
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Quality Control & Documentation
Biological Activity

D-Galactose is a natural aldohexose and C-4 epimer of glucose, it accelerates the aging of invertebrates and mammals and is used as a model of aging. D-galactose given by oral route causes cognitive impairments in rats which are accompanied by oxidative damage. Cognitive impairments is observed in the open-field test in the 4th and 6th weeks after d-gal administration, as well as an impairment in spatial memory in the radial maze test after the 6th week of d-gal administration.

Chemical Information
Molecular Weight 180.16
Formula C6H12O6
CAS Number 59-23-4
Solubility (25°C) Water 100 mg/mL
Storage RT, dry, sealed
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

References

[1] Josiane Budni, et al. Behav Brain Res. Oral administration of d-galactose induces cognitive impairments and oxidative damage in rats

[2] Xu Cui, et al. J Neurosci Res. Chronic systemic D-galactose exposure induces memory loss, neurodegeneration, and oxidative damage in mice: protective effects of R-alpha-lipoic acid

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