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β-Amylase (Barley) 
Product code: E-BARBL-50KU
Content:
50,000 Units 20,000 Units
€247.00
50,000 Units
Prices exclude VAT
| Content: | 20,000 Units or 50,000 Units |
| Shipping Temperature: | Ambient |
| Storage Temperature: | 2-8oC |
| Formulation: | In 3.2 M ammonium sulphate |
| Physical Form: | Suspension |
| Stability: | > 4 years at 4oC |
| Enzyme Activity: | β-Amylase |
| EC Number: | 3.2.1.2 |
| CAZy Family: | GH14 |
| CAS Number: | 9000-91-3 |
| Synonyms: | beta-amylase; 4-alpha-D-glucan maltohydrolase |
| Source: | Hordeum vulgare |
| Molecular Weight: | 58,300 |
| Concentration: | E-BARBL-20KU: Supplied at ~ 10,000 U/mL E-BARBL-50KU: Supplied at ~ 10,000 U/mL. |
| Expression: | From barley flour |
| Specificity: | Hydrolysis of α-1,4-D-glucosidic linkages in polysaccharides releasing maltose units from the non-reducing end. |
| Specific Activity: | ~ 400 U/mg (40oC, pH 6.0 on soluble starch) |
| Unit Definition: | One Unit of β-amylase activity is defined as the amount of enzyme required to release one µmole of maltose reducing-sugar equivalents per minute from soluble starch (10 mg/mL) in sodium phosphate buffer (200 mM), pH 6.0 at 40oC. |
| Temperature Optima: | 60oC |
| pH Optima: | 6 |
| Application examples: | For use in AACC and ASBC α-amylase assay procedures. |
| Method recognition: | EBC Method 4.13 and ASBC Method Malt 7 |
The E-BARBL-20KU pack size has been discontinued (read more).
Pure, crystalline suspenson. Suitable for starch structural work.
Powder enzyme form (2000°L) is for use in AACC and ASBC α-amylase assay procedures (see E-BARBP).
Data booklets for each pack size are located in the Documents tab.
See our full range of β-amylase Carbohydrate Active enZYme products.
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K-BETA3 – β-Amylase Assay Kit (Betamyl-3) K-MALTA – Malt Amylase Assay Kit R-BAMR3 – β-Amylase Assay Reagent (Betamyl-3)
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E-BLAAM-40ML – α-Amylase (Bacillus licheniformis) E-TSAGS – α-Glucosidase (Bacillus stearothermophilus) (Recombinant) E-PULKP – Pullulanase M1 (Klebsiella planticola) E-ISAMYHP – Isoamylase HP (Glycogen 6-glucanohydrolase) E-AMGDF-40ML – Amyloglucosidase (Aspergillus niger)
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E-BARBP-2G – β-Amylase (Barley) Powder E-MAST – Malt Amylase Standard
Related Carbohydrates
P-GLYAL – Glycogen (Algae) O-MAL3 – Maltotriose O-MAL4 – Maltotetraose O-MAL5 – Maltopentaose O-MAL6 – Maltohexaose O-MAL7 – Maltoheptaose O-MAL8 – Maltooctaose
Colourimetric Substrates
K-BETA3 – β-Amylase Assay Kit (Betamyl-3) K-MALTA – Malt Amylase Assay Kit R-BAMR3 – β-Amylase Assay Reagent (Betamyl-3)
Related Products
E-BLAAM-40ML – α-Amylase (Bacillus licheniformis) E-TSAGS – α-Glucosidase (Bacillus stearothermophilus) (Recombinant) E-PULKP – Pullulanase M1 (Klebsiella planticola) E-ISAMYHP – Isoamylase HP (Glycogen 6-glucanohydrolase) E-AMGDF-40ML – Amyloglucosidase (Aspergillus niger)
