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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 Level
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 | |||
|---|---|---|---|
| biological source Aspergillus sp. (A. ficuum) | biological source Aspergillus sp. (A. oryzae) | biological source - | biological source Aspergillus niger |
| specific activity ≥150 U/g | specific activity ~100 U/mg | specific activity ≥750 U/g | specific activity ~200 U/g |
| form powder | form powder | form powder | form powder (fine) |
| storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level 100 |
| color white | color slightly beige | color - | color - |
signalword
Danger
hcodes
pcodes
Hazard Classifications
Resp. Sens. 1
Lagerklasse
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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Jose Valdo Madeira et al.
Bioresource technology, 102(15), 7343-7348 (2011-05-27)
In this work, we introduce a biological detoxification method that converts toxic waste from castor beans into animal feed material. This method simultaneously induces the production of tannase and phytase by Paecilomyces variotii; both enzymes have high levels of activity
Jose Valdo Madeira et al.
Bioprocess and biosystems engineering, 35(3), 477-482 (2011-09-13)
The production of enzymes such as tannases and phytases by solid-state fermentation and their use in animal feed have become a subject of great interest. In the present work, Paecilomyces variotii was used to produce tannase and phytase simultaneously. Solid-state
Tadashi Takahashi et al.
Eukaryotic cell, 11(4), 507-517 (2012-01-31)
Loop-out-type recombination is a type of intrachromosomal recombination followed by the excision of a chromosomal region. The detailed mechanism underlying this recombination and the genes involved in loop-out recombination remain unknown. In the present study, we investigated the functions of
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 42395-250MG | 04061832103563 |
| 42395-1G | 04061826731642 |
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