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Lactose hydrolysis by immobilized β-galactosidase in capillary bed reactor (1989)

Peterson, R. S. ; Hill, C. G. ; Amundson, C. H.

New York, NY [u.a.] : Wiley-Blackwell

Biotechnology and Bioengineering 34 (1989), S. 438-446

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ISSN: 0006-3592

Keywords: Chemistry ; Biochemistry and Biotechnology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology

Notes: The hydrolysis of lactose by immobilized β-galactosidase was studied in a continuous-flow capillary bed reactor operating at 30°C. Solutions containing 50, 100, and 150 g lactose and 0.5 g sodium acetate/L were fed to the reactor. Lactose conversions ranging from 24% to greater than 99% were achieved at reactor space times ranging from 0.06 to 6.3 min. These conversion data were successfully modeled in terms of a plug flow reactor model and a form of Michaelis-Menten kinetics which included competitive inhibition by both the alpha and beta forms of galactose.

Additional Material: 8 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/bit.260340404

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