Industrial Biotransformations

a-Amylase / Amyloglucosidase
Bacillus licheniformis / Aspergillus niger
4) Process parameters
conversion: > 95 %
yield: depending on natural source
selectivity: > 99 %
reactor type: continuously operated stirred tank reactor
capacity: > 10,000,000 t · a –1 (worldwide)
residence time: 2–3 h / 48–72 h
down stream processing: filtration
production site: world wide
company: several companies
5) Product application
● The product is a feed stock for high fructose syrup (see page 508).
6) Literature
EC 3.2.1.1/3.2.1.3
● Gerhartz, W.(1990) Enzymes in Industry: Production and Applications, VCH, Weinheim
● Holm, J., Bjoerck, I., Ostrowska, S., Eliasson, A.-C., Asp, N.-G., Larsson, K., Lundquist, I.
(1983) Digestibility of amylose-lipid complexes in vitro and in vivo, Stärke, 35, 294–297.
● Holm, J., Bjoerck, I., Eliasson, A.-C. (1985) Digestibility of amylose-lipid complexes in vitro
and in vivo, Prog. Biotechnol., 1, 89–92
● Kainuma, K.(1998) Applied glycoscience-past, present and future, Foods Food Ingredients J.
Jpn., 178, 4–10
● Labout, J.J.M. (1985) Conversion of liquefied starch into glucose using a novel glucoamylase
system, Starch/Stärke, 37, 157–161
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