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L8783 Sigma

α-Lactose monohydrate

BioXtra, ≥99% total lactose basis (GC)

Synonym: β-D-Gal-(1→4)-α-D-Glc, 4-O-β-D-Galactopyranosyl-α-D-glucose, Milk sugar

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Properties

Related Categories Biochemicals and Reagents, Carbohydrate Library Collection, Carbohydrates, Carbohydrates A to Z, Carbohydrates H-L,
InChI Key   WSVLPVUVIUVCRA-KPKNDVKVSA-N
product line   BioXtra
assay   ≥99% total lactose basis (GC)
impurities   ≤0.01% Phosphorus (P)
  ≤0.1% Insoluble matter
ign. residue   ≤0.1%
solubility   H2O: soluble1 M, clear, colorless
anion traces   chloride (Cl-): ≤0.05%
  sulfate (SO42-): ≤0.05%
cation traces   Al: ≤0.0005%
  Ca: ≤0.005%
  Cu: ≤0.0005%
  Fe: ≤0.0005%
  K: ≤0.02%
  Mg: ≤0.0005%
  NH4+: ≤0.05%
  Na: ≤0.005%
  Pb: ≤0.001%
  Zn: ≤0.0005%

Description

Packaging

1 kg in poly bottle

10 mg in autosample vial

5 kg in poly drum

Biochem/physiol Actions

alpha-Lactose is the primary sugar present in milk and the main energy source to a newborn mammalian through its mother′s milk. It is digested by the intestinal lactase (EC 3.2.1.108), an enzyme expressed in newborns. The enzyme′s activity declines following weaning which can lead to lactose intolerance in adult mammals.

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All labs need water
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3
Protocols & Articles
Peer-Reviewed Papers
15

References

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