Galactose, Low Endotoxin, Low Glucose (D-Galactose)

Référence G1030-10Kg

Conditionnement : 10Kg

Marque : US Biological

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Grade
Molecular Biology Grade

Shipping Temp
RT

Storage Temp
4°C

D-(+)-Galactose; Dextrogalactose; Lactoglucose; alpha-Galactose(D)
D-Galactose is a C-4 epimer of Glucose found in milk and sugar beets as well as being synthesized by the body. Galactose is made from lactose through hydrolysis reaction under acidic conditions. Galactose is a simple monosaccharide that serves as an energy source and as an essential component of glycolipids and glycoproteins. Galactose contributes to energy metabolism via its conversion to glucose by the enzymes that constitute the Leloir pathway. Defects in the genes encoding these proteins lead to the metabolic disorder galactosemia.

Applications:
Used as an alternate carbon source for wild-type yeast
Induces transcription of sequences fused to the GAL10 promoter
Suitable for use in two-hybrid protocols.
Component of galactosyltransferase labeling buffer
Supplement in MRS broth for the growth of thermophilic lactobacilli
Induces the expression of uncoupling protein (UCP) in yeast transformants
Oral therapy for nephrotic syndrome in focal and segmental glomerulosclerosis

Synonyms:
D-(+)-Galactose; Dextrogalactose; Lactoglucose; alpha-Galactose(D)

CAS No:
59-23-4

Molecular Formula:
C6H12O6

Molecular Weight:
180.16

Purity (HPLC):
≥98%

Appearance:
White crystalline powder

Solubility (10%, H2O):
Colorless, clear, complete

Specific Rotation (C=10, H2O):
+79º to +81º

Loss on Drying:
≤1%

Glucose:
≤0.01%

Chloride:
≤0.005%

Ash:
≤0.1%

Microbiology:
Total Bacteria: ≤1000cfu/g

Endotoxin:
≤0.5EU/mg

Storage:
Galactose is very hygroscopic. Store dessicated at 4°C.

Meets or exceeds USP40 specifications

Important Note
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


Toxicity and Hazards
 All products should be handled by qualified personnel only, trained in laboratory procedures.