08124
Isoamylase from Pseudomonas sp.
ammonium sulfate suspension, ≥10,000,000 units/mg protein
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About This Item
Specific activity:
≥10,000,000 units/mg protein
form
ammonium sulfate suspension
specific activity
≥10,000,000 units/mg protein
storage temp.
2-8°C
Quality Level
Related Categories
Application
Isoamylase from Pseudomonas sp. has been used in starch debranching and to measure the chain-length distributions.
Biochem/physiol Actions
Pseudomonas amyloderamosa is considered a popular source of isoamylase. In the presence of a surfactant, this isoamylase produces a series of maltooligosaccharides. Immobilized isoamylase makes it applicable with a polysaccharide matrix composed of agarose, cellulose, and raw corn starch.
Catalyzes the hydrolysis of (1-6)-α-D-glucosidic branch linkages in glycogen, amylopectin and their β-limit dextrins.
Analysis Note
≥10 MU/mg protein
Other Notes
One unit causes an increase in A610 of 0.1 in 1 hour using a homogenized solution of rice starch as a substrate (pH 3.5, 40°C)
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 2
Storage Class
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
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Digestion properties of corn starch modified by $\alpha$-D-glucan branching enzyme and cyclodextrin glycosyltransferase
Li Y, et al.
Food Hydrocolloids, 89, 534-541 (2019)
Wenwen Li et al.
Carbohydrate polymers, 270, 118363-118363 (2021-08-09)
Finding an efficient and eco-friendly solution for starch dissolution has attracted considerable attentions in recent years. This study investigated the structural characteristics, and degradation behavior of corn starch in KOH/thiourea aqueous solution by the comparison with DMSO/LiBr and 1-allyl-3-methylimidazolium chloride
Enzymatic conversions of starch
Tomasik P and Horton D
Advances in Carbohydrate Chemistry and Biochemistry, 68, 59-436 (2012)
Deactivation of isoamylase and β-amylase in the agitated reactor under supercritical carbon dioxide.
Steven S-S Wang et al.
Bioprocess and biosystems engineering, 33(8), 1007-1015 (2010-04-08)
The current research examines the impact of agitation on deactivation of isoamylase and β-amylase under supercritical carbon dioxide (SC-CO2). Our experimental results showed that the activity of either enzyme decreased with increasing pressure or speed of agitation. The degree of
Lucio Gullo et al.
Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.], 9(3), 240-244 (2009-05-02)
Among the various studies of pancreatic function in the elderly published so far, none have dealt with subjects over 90 years of age. The aim of this study was to examine pancreatic function in healthy individuals over 90 years old.
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