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Enzymes & Microbial cultures

Enzymes & Microbial cultures

Alcalase 100 ML

Alcalase® (Protease)

£24.00

Description

Alcalase® is a liquid enzyme preparation containing a protease suitable for use in high temperature, moderate pH, detergent products.

Alcalase® ... 100 mL

https://www.ncbe.reading.ac.uk/alkaline-protease/

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Bacillus subtilis

Bacillus subtilis

£22.80

Description

Slope culture of Bacillus subtilis on nutrient agar.

https://www.ncbe.reading.ac.uk/slope-cultures/

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Bio-Invert 100 ML

Bio-Invert® (Invertase)

£24.00

Description

Invertase, obtained from baker’s yeast, is widely used in confectionery production. A well-known application is in the production of soft-centred sweets, such as after-dinner mints.

Bio-Invert® … 100 mL

https://www.ncbe.reading.ac.uk/invertase/

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Catazyme 100 ML

Catazyme® (Catalase)

£24.00

Description

Catazyme® is a bacterial catalase produced by a selected strain of Aspergillus niger. It breaks down hydrogen peroxide to oxygen and water.

Catazyme® ... 100 mL

https://www.ncbe.reading.ac.uk/catalase/

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Celluclast 100 ML

Celluclast® (Cellulase)

£24.00

Description

Celluclast® is a preparation used for breaking down cellulose into glucose, cellobiose and longer glucose polymers.

Celluclast® ... 100 mL

https://www.ncbe.reading.ac.uk/cellulase/

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E. coli B strain slope culture

E. coli B strain

£22.80

Description

Slope culture of E. coli B strain, for use with bacteriophage T4.

https://www.ncbe.reading.ac.uk/slope-cultures/

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Esherichia coli HT-99

E. coli HT-99

£22.80

Description

Slope culture of E. coli strain HT-99.

https://www.ncbe.reading.ac.uk/slope-cultures/

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Microbial culture

E. coli Strain DH10B

£22.80

Description

This culture should be used with the NCBE Bacterial transformation kit. It replaces strain TG2 from an earlier version of the kit.

https://www.ncbe.reading.ac.uk/slope-cultures/

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Esherichia coli TG2  (Lac -)

E. coli TG2 (Lac -)

£22.80

Description

Slope culture of E. coli K-12 strain TG2 (a lac negative strain).

https://www.ncbe.reading.ac.uk/slope-cultures/

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Erwinia caratovora

Erwinia caratovora (Pectobacterium carotovorum)

£22.80

Description

Slope culture of Erwinia caratovora (now called Pectobacterium carotovorum).

https://www.ncbe.reading.ac.uk/slope-cultures/

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Fruit processing enzymes pack

Fruit processing enzymes pack

£112.80

Description

This pack contains 100 mL of each of four enzymes used in processing fruit (AMG, Termamyl®, Celluclast®, and Novoshape®), plus two bottles of Pectinex®, which can be used for increasing the yield of juice or for peeling citrus fruit.

The pack also includes a copy of ‘In a jam and out of juice’, a 20-page, full-colour booklet of background information and ideas for practical investigations.

Fruit processing enzymes pack ... 100 mL x 6

https://www.ncbe.reading.ac.uk/fruit-processing-enzymes-pack/

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Lactozym 100 ML

Lactozym® Pure (Lactase)

£24.00

Description

Lactozym® Pure is a preparation of beta-galactosidase (lactase). It converts the disaccharide lactose into the sweeter-tasting monosaccharides glucose and galactose.

Lactase is widely used in the manufacture of dairy products such as fermented milks, ice cream, milk drinks and even lactose-reduced milk for cats.

Lactozym® ... 100 mL

https://www.ncbe.reading.ac.uk/lactase-ß-galactosidase/

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Lipex 100 ML

Lipex® (Lipase)

£24.00

Description

Lipex® is a liquid enzyme preparation containing a lipase suitable for use in detergent preparations.

Lipex® ... 100 mL

https://www.ncbe.reading.ac.uk/lipase-lipex/

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Maxiren100 ML

Maxiren® (Chymosin)

£24.00

Description

Maxiren® is used in place of calf chymosin for coagulating milk proteins during cheese-making. Its performance and properties are identical to calf chymosin preparations of comparable ‘strength’.

It is produced by a genetically-modified strain of the dairy yeast Kluyveromyces lactis.

Maxiren® ... 100 mL

https://www.ncbe.reading.ac.uk/chymosin/

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Slope culture

Micrococcus luteus

£22.80

Description

Slope culture of Micrococcus luteus on nutrient agar.

https://www.ncbe.reading.ac.uk/slope-cultures/

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Slopoe culture of Micrococcus roseus

Micrococcus roseus

£22.80

Description

Slope culture of Micrococcus roseus on nutrient agar.

https://www.ncbe.reading.ac.uk/slope-cultures/

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Neutrase 100 ML

Neutrase® (Protease)

£24.00

Description

Neutrase® is a bacterial protease produced by a selected strain of Bacillus amyloliquefaciens. It will break down proteins to peptides.

It is often used in schools to help extract DNA from onions, or to investigate the breakdown of milk proteins.

Neutrase® ... 100 mL

https://www.ncbe.reading.ac.uk/neutral-protease/

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NovoShape 100 ML

NovoShape® (Pectin methylesterase)

£24.00

Description

Most ‘pectinases’ that are sold are a mixture of several different enzymes. In contrast, NovoShape® is a preparation of a just one enzyme - pectin methylesterase. Pectin methylesterase modifies pectin molecules in a very precise manner, which helps to maintain the shape and texture of fruit pieces in food products.

NovoShape® ... 100 mL

https://www.ncbe.reading.ac.uk/enzymes-for-education/

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Pectinex 100 ML

Pectinex® (Pectinase)

£24.00

Description

Pectinex® is a mixture of several types of pectinase, designed principally for treating fruit and vegetable mashes and the maceration of plant tissues. The enzyme preparation can be used to increase the yield of juice from apples, etc. and also to peel citrus and other fruits.

Pectinex® ... 100 mL

https://www.ncbe.reading.ac.uk/pectinase/

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Saccharomyces carlsbergensis

Saccharomyces carlsbergensis

£22.80

Description

Slope culture of Saccharomyces carlsbergensis.

https://www.ncbe.reading.ac.uk/slope-cultures/

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Saccharomyces cerevisiae K5-5A

Saccharomyces cerevisiae K5-5A

£22.80

Description

Slope culture of Saccharomyces cerevisiae, strain K5-5A.

https://www.ncbe.reading.ac.uk/slope-cultures/

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Savinase 100 ML

Savinase® (Protease)

£24.00

Description

Savinase® is a liquid enzyme preparation containing a protease suitable for use in high pH, low-temparature detergent preparations.

Savinase® ... 100 mL

https://www.ncbe.reading.ac.uk/alkaline-protease-savinase/

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Stainzyme 100 ML

Stainzyme® (Amylase)

£24.00

Description

Stainzyme® is a liquid enzyme preparation containing a thermostable alpha-amylase suitable for use in detergent preparations.

Stainzyme® ... 100 mL

https://www.ncbe.reading.ac.uk/a-amylase/

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Slope culture

Streptomyces griseus

£22.80

Description

Slope culture of Streptomyces griseus on nutrient agar.

https://www.ncbe.reading.ac.uk/slope-cultures/

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Termamyl 100 ML

Termamyl® (Alpha-amylase)

£24.00

Description

Termamyl® is a liquid enzyme preparation containing an outstandingly heat-stable alpha-amylase.

Termamyl® ... 100 mL

https://www.ncbe.reading.ac.uk/a-amylase-termamyl/

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Termamyl Ultra 100 ML

Termamyl® Ultra (Alpha-amylase)

£24.00

Description

Termamyl® Ultra is a liquid enzyme preparation containing alpha-amylase for use in detergent products.

Termamyl® Ultra ... 100 mL

https://www.ncbe.reading.ac.uk/termamyl-ultra/

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Viscozyme 100 ML

Viscozyme® (Carbohydrase mixture)

£24.00

Description

Viscozyme® is a multi-enzyme complex containing a wide range of carbohydrases. It also acts on branched pectin-like substances found in plant cell walls.

One of its more interesting uses in the school laboratory is in the production of plant cell protoplasts from lettuce leaves.

Viscozyme® ... 100 mL

https://www.ncbe.reading.ac.uk/carbohydrase-mix/

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Washing product enzymes pack

Washing product enzymes pack

£90.00

Description

This pack of five different liquid enzyme preparations offers a substantial saving on the cost of buying each of the enzymes individually.

The pack contains 100 mL of each of these liquids: Savinase®; Alcalase®; Termamyl® Ultra; Stainzyme® and Lipex®.

Washing product enzymes pack ... 100 mL x 5

https://www.ncbe.reading.ac.uk/washing-product-enzymes-pack/

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DNSA reagent

DNSA reagent base

£29.40

Description

DNSA reagent is used for the colorimetric assay of reducing sugars. Thus it can be used to measure the activity of a wide range of enzymes such as amylase, invertase, cellulase, lactase etc that produce reducing sugars as products of their action.

https://www.ncbe.reading.ac.uk/dnsa-reagent-base/

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