The purity of this product is not determined.
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42395
Tannase aus Aspergillus ficuum
powder, white, ≥150 U/g
Synonym(e):
Tannin Acyl-Hydrolase
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Über diesen Artikel
Specific activity:
≥150 U/g
Biological source:
Aspergillus sp. (A. ficuum)
Preise und Verfügbarkeit sind derzeit nicht verfügbar.
Technischer Dienst
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Unterstützung erhaltenbiological source
Aspergillus sp. (A. ficuum)
Quality Segment
form
powder
specific activity
≥150 U/g
impurities
25 mM potassium phosphate, 250 mM NaCl, 50% glycerol
color
white
storage temp.
2-8°C
General description
Tannase is an enzyme that is produced by several organisms such as plants, bacteria, fungi, and yeast. This enzyme is also found in plant sources such as tannin-rich vegetables, especially in the leaves, fruits, branches, and bark.
Application
Tannase from Aspergillus ficuum has been used:
- as a standard to determine the tannase activity of bacterial isolates
- to study its effects on the inhibitory activity of tannic acid on biofilm formation
- to obtain Proanthocyanidins (PA) by enzymatic hydrolysis of grape skin and seeds
Biochem/physiol Actions
Tannase catalyzes the ester bonds located in complex tannins, gallo-tannins, and gallic acid esters, which results in the release of gallic acid. This enzyme can be used as a clarifying agent in the manufacture of beer, tea, wine, and juices and to treat tannin-polluting agricultural waste and industrial effluents.
Other Notes
1 U entspricht der Enzymmenge, die bei 310 nm eine Extinktionsänderung von 1.0 pro Minute bei pH 4.7 und 30°C bewirkt (Tannin als Substrat, 3 mL Endvolumen)
1 of 1
Dieser Artikel | |||
|---|---|---|---|
| description powder, white, ≥150 U/g | description Type XIII, ≥0.6 unit/mg solid | description BioReagent, suitable for plant cell culture, aqueous glycerol solution, ≥5 units/mg protein (Lowry) | description aqueous solution |
| specific activity ≥150 U/g | specific activity ≥0.6 unit/mg solid | specific activity ≥5 units/mg protein (Lowry) | specific activity ≥1000 units/g |
| biological source Aspergillus sp. (A. ficuum) | biological source Aspergillus sp. (Aspergillus saitoi) | biological source Aspergillus niger | biological source - |
| form powder | form solid | form aqueous glycerol solution | form solid |
| storage temp. 2-8°C | storage temp. −20°C | storage temp. 2-8°C | storage temp. 2-8°C |
| color white | color - | color - | color - |
| impurities 250 mM NaCl, 25 mM potassium phosphate, 50% glycerol | impurities - | impurities - | impurities - |
Signalwort
Danger
Gefahrencodes
Sicherheitshinweise
Hazard Classifications
Resp. Sens. 1
Lagerklasse
11 - Combustible Solids
Was ist los?
WGK 1
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
PSA (Persönliche Schutzausrüstung)
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
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