22178
Cellulase from Aspergillus niger
powder, off-white, ~0.8 U/mg
Sinónimos:
1,4-(1,3:1,4)-β-D-Glucan 4-glucanohydrolase
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Número CAS:
UNSPSC Code:
12352204
NACRES:
NA.54
EC Number:
232-734-4
MDL number:
eCl@ss:
32160410
Specific activity:
~0.8 U/mg
Biological source:
Aspergillus niger
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Servicio técnico
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Permítanos ayudarlebiological source
Aspergillus niger
Quality Segment
form
powder
specific activity
~0.8 U/mg
color
off-white
storage temp.
2-8°C
General description
Cellulase is a member of glycoside hydrolase family and is produced by a number of cellulolytic microbes.
Application
Cellulase from Aspergillus niger has been used:
- in the preparation of the standardized solution to determine absolute cellulase levels
- in phosphate-citric acid buffer for activity assay
- in non-starch polysaccharide degrading enzyme cocktail for in vitro hydrolysis of defatted rice bran and in the approach to improve the nutritive value of poultry feed
Biochem/physiol Actions
Cellulase from Aspergillus niger catalyzes the hydrolysis of endo-1,4-β-D-glycosidic linkages in cellulose, lichenin, barley glucan, and the cellooligosaccharides cellotriose to cellohexaose. It does not cleave cellobiose or p-nitrophenyl-β-D-glucoside. This enzyme will also cleave intact glycosaminoglycan from a core peptide by hydrolyzing the xylosyl serine linkage.
Other Notes
1 U corresponds to the amount of enzymes which liberates 1 μmol glucose from carboxymethylcellulose per minute at pH 5.0 and 37°C
View more information on enzymes for complex carbohydrate analysis at www.sigma-aldrich.com/enzymeexplorer
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Este artículo | |||
|---|---|---|---|
| biological source Aspergillus niger | biological source - | biological source - | biological source fungus (Trichoderma reesei) |
| specific activity ~0.8 U/mg | specific activity ≥1000 units/g | specific activity ≥5,000 units/g solid | specific activity ≥700 units/g |
| form powder | form solid | form powder | form aqueous solution |
| storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C |
| color off-white | color - | color - | color - |
| Quality Level 100 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
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signalword
Danger
hcodes
Hazard Classifications
Resp. Sens. 1
Clase de almacenamiento
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
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