Beta galactosidases and their potential applications: a review.

Critical reviews in biotechnology (2010-02-11)
Qayyum Husain
ABSTRACT

Beta galactosidases have been obtained from microorganisms such as fungi, bacteria and yeasts; plants, animals cells, and from recombinant sources. The enzyme has two main applications; the removal of lactose from milk products for lactose intolerant people and the production of galactosylated products. In order to increase their stability, reusability, and use in continuous reactors, these enzymes have been immobilized on both organic and inorganic support via adsorption, covalent attachment, chemical aggregation, microencapsulation, and entrapment. Free and immobilized preparations of beta galactosidases have been exploited in various applications such as industrial, biotechnological, medical, analytical, and in different other applications. beta galactosidase is widely used in food industry to improve sweetness, solubility, flavor, and digestibility of dairy products. Immobilized beta galactosidases are employed for the continuous hydrolysis of lactose from whey and milk in a number of reactors such as hollow fiber reactors, tapered column reactors, packed bed reactors, fluidized bed reactors etc.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Anti-β-Galactosidase antibody, Mouse monoclonal, clone GAL-13, purified from hybridoma cell culture
Sigma-Aldrich
β(1→4)-Galactosidase, positionally specific from Streptococcus pneumoniae, recombinant, expressed in E. coli, buffered aqueous solution

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