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Enzymes & Microbial cultures

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Enzymes & Microbial cultures

Alcalase 100 ML

Alcalase® (Protease)

£25.20

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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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AMG 100ML

Amyloglucosidase (AMG)

£25.20

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Description

AMG is an enzyme which removes glucose units from liquefied starch in a stepwise manner, producing individual glucose molecules.

Useful in schools as a replacement for salivary amylase.

AMG ..

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

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Slope cultures

Antibiotic production and testing pack

£64.80

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Description

This is a collection of four slope cultures at a reduced price.

https://www.ncbe.reading.ac.uk/antibiotic-production-and-test-cultures/

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Bacillus subtilis

Bacillus subtilis

£20.40

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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)

£25.20

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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)

£25.20

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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)

£25.20

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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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Cellulomonas sp. slope culture

Cellulomonas sp.

£20.40

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Description

Slope culture of Cellulomonas sp.

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

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E. coli B strain slope culture

E. coli B strain

£20.40

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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

£20.40

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Description

Slope culture of E. coli strain HT-99.

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

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Esherichia coli J53-R (Lac +)

Escherichia coli Lac + (J53R)

£20.40

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Description

Gram-negative. Produces ß-galactosidase when lactose is present in the growth medium. Together with HT-99, it can be used to demonstrate bacterial conjugation

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

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Microbial culture

E. coli Strain DH10B

£20.40

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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 -)

£20.40

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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)

£20.40

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Description

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

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

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Fromase XL100 ML

Fromase® (Fungal 'rennin')

£21.00

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Description

Fromase® is a fungal protease that is often used instead of animal chymosin for making cheese.

Fromase® XL ..... 100 mL

https://www.ncbe.reading.ac.uk/fungal-rennin/

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Fruit processing enzymes pack

Fruit processing enzymes pack

£126.00

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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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Janthinobacterium lividum slope culture

Janthinobacterium lividum

£20.40

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Description

Slope culture of Janthinobacterium lividum

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

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Kluyveromyces lactis slope culture

Kluyveromyces lactis

£20.40

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Description

Slope culture of Kluyveromyces lactis.

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

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Lactozym 100 ML

Lactozym® Pure (Lactase)

£25.20

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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)

£25.20

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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)

£21.00

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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

£20.40

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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

£20.40

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Description

Slope culture of Micrococcus roseus on nutrient agar.

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

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Neurospora crassa slope culture

Neurospora crassa

£20.40

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Description

N. crassa is red bread mould. Commonly used for genetics and growth experiments.

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

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Neutrase 100 ML

Neutrase® (Protease)

£25.20

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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)

£25.20

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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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Oyster mushroom starter culture

Oyster mushroom culture

£26.25

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Description

Oyster mushroom starter culture

Pleurotus culture on seeds. Approx. 500 g (sufficient for at least 10 toilet rolls).

In the Far East, oyster cap mushrooms (Pleurotus ostreatus) are cultivated on short lengths of tree trunk. There is, however, no need to go to all this trouble. You just need a toilet roll. Find out more on the NCBE web site:

https://www.ncbe.reading.ac.uk/oyster-cap-mushroom-starter-culture/

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Pectinex 100 ML

Pectinex® (Pectinase)

£25.20

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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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Pichia anomala slope culture

Pichia anomala

£20.40

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Description

Slope culture of Pichia anomala.

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

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Saccharomyces carlsbergensis

Saccharomyces carlsbergensis

£20.40

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Description

Slope culture of Saccharomyces carlsbergensis.

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

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Saccharomyces diastaticus

Saccharomyces diastaticus

£20.40

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Description

Slope culture of Saccharomyces diastaticus.

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

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Saccharomyces cerevisiae K5-5A

Saccharomyces cerevisiae K5-5A

£20.40

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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)

£25.20

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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)

£25.20

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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

£20.40

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Description

Slope culture of Streptomyces griseus on nutrient agar.

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

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Amylex alpha-amylase 100 ML

Amylex alpha-amylase

£25.20

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Description

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

Amylex alpha-amylase ... 100 mL
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Viscozyme 100 ML

Viscozyme® (Carbohydrase mixture)

£25.20

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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

£100.80

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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®; Alpha amylase (Amylex®); 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

£24.00

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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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slope culture

Vibrio natriegens

£20.40

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Description

Vibrio natriegens is a Gram-negative fast-growing marine bacterium.

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

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