Lactase (from Aspergillus oryzae), MP Biomedicals

Supplier: E. Becker & Co. GmbH

0210078001 0210078005 0210078025 0210078080 0210078083
IC10078001EA 55.12 USD
IC10078001 IC10078005 IC10078025 IC10078080 IC10078083
Lactase (from Aspergillus oryzae), MP Biomedicals
Enzymes

Soluble in water; Insoluble in ethanol, acetone and isopropyl alcohol.


One unit will hydrolyze 1.0 µmole of o-nitrophenyl-beta-D-galactoside to o-nitrophenol per minute at pH 4.5 and 30 °C.


Stability: Stable in pH range of 4.0 to 8.0. Stable to heat. Optimum pH is 4.5 and 4.8 when O-Nitrophenyl-beta-D- galactopyranoside and Lactose are used as substrate, respectively(Lit.)


Lactase is an enzyme preparation produced by Aspergillus oryzae fermentation. Lactase hydrolyzes Lactose (4-o-β-D-Galactopyranosyl-D-glucose) and produces β-D-Galactose and a-D-Glucose.


Lactase is used to screen for blue white colonies in the MCS of various plasmid vectors in Escherichia coli or other bacteria. Its primary commercial use is to break down lactose in milk to make it suitable for people with lactose intolerance.


β-galactosidase cleaves lactose into its monosaccharide components, glucose and galactose. It also catalyses the transglycosylation of glucose into allolactose, the inducer of β-galactosidase, in a feedback loop.

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