57629
Invertase from baker′s yeast (S. cerevisiae)
powder, 100-200 U/mg
Synonym(s):
β-D-Fructofuranosidase, β-D-Fructofuranoside fructohydrolase, Saccharase
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About This Item
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form
powder
specific activity
100-200 U/mg
mol wt
Mr ~270000
storage temp.
2-8°C
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Application
Used in the production of confectionary foods and artificial honey.
Biochem/physiol Actions
Invertase hydrolyzes sucrose into glucose and fructose yielding a colorless product, unlike acid hydrolysis which produces colored products.
Unit Definition
1 U corresponds to the amount of enzyme which hydrolyzes 1 μmol saccharose per minute at pH 4.65 and 25 °C
Other Notes
Application of immobilized invertase to continuous hydrolysis of concentrated sucrose solutions; Effect of viscosity on sucrose hydrolysis; Role in cell expansion; Applications in (selective) hydrolysis/condensations of glycosidic bonds
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M Nakajima et al.
Biotechnology and bioengineering, 33(7), 856-861 (1989-02-20)
A forced-flow enzyme membrane reactor system for sucrose inversion was investigated using three ceramic membranes having different pore sizes. Invertase was immobilized chemically to the inner surface of a ceramic membrane activated by a silane-glutaraldehyde technique. With the cross-flow filtration
B Selisko et al.
Biotechnology and bioengineering, 35(10), 1006-1010 (1990-04-25)
The formation of alkyl beta-D-fructofuranosides by invertase from sucrose in aqueous solutions of methanol, ethanol, or n-propanol is studied for the dependence on alcohol and invertase concentrations as well as on reaction time. The yield of alkyl beta-D-fructosides is shown
Effect of viscosity on sucrose hydrolysis catalyzed by invertase obtained from S. Cerevisiae.
B C de Almeida Cunha et al.
Biotechnology and bioengineering, 26(7), 811-813 (1984-07-01)
D.A. Morris et al.
Plant Growth Regulation, 2, 327-327 (1984)
P Monsan et al.
Biotechnology and bioengineering, 26(4), 347-351 (1984-04-01)
Invertase immobilized onto corn grits was utilized in the hydrolysis of highly concentrated sucrose solutions producting liquid sugar solutions containing glucose and fructose. Comparisons of conversion efficiencies of this immobilized invertase in a continuous stirredtank reactor and a plug-flow reactor
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