Hygiena®

Rinse Buffer

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Rinse Buffer (formerly product code A 500 18)
HYG-KIT230012

Our standard delivery is 3-5 working days (where products are available) Monday to Friday, excluding public holidays when you order by 2pm. Details of our returns and cancellation policy can be found in our Returns Policy & Section 11 of our Terms and Conditions. For more information please contact us on 01924 444 577 or Email Us.

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Xylose Lysine Deoxycholate (XLD) Agar (ISO)
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Neogen®

Xylose Lysine Deoxycholate (XLD) Agar (ISO)

£2,142.21 vat excl.

£2,570.65 vat Inc.
Availability: Out of stock
Xylose Lysine Deoxycholate (XLD) Agar (ISO) is a selective agar for the detection of Salmonella spp. in food, animal feed and in environmental samples from the food production area as described in ISO 6579-1:2017. Xylose Lysine Deoxycholate (XLD) Agar (ISO) is not intended for use in the diagnosis of disease or other conditions in humans. A selective, diagnostic agar for the detection of Salmonella spp. in food, animal feed and in environmental samples from the food production area as described in ISO 6579-1:2017. Originally formulated by Taylor to differentiate enteric pathogens, the agar is widely used as the preferred differential medium for Salmonella spp. The medium is void of peptones but instead uses yeast extract as a carbon, nitrogen and vitamin source and xylose, lactose and sucrose are fermentable carbohydrates. Salmonella are able to ferment xylose to produce acid but not lactose or sucrose. When the xylose is exhausted Salmonella will decarboxylate lysine shifting the pH back to neutral. At near neutral pH, Salmonella can reduce sodium thiosulfate producing hydrogen sulfide which creates a complex with ferric ammonium citrate to produce black or black centred colonies. Other organisms are able decarboxylate lysine but acid production from the fermentation of lactose and sucrose keeps the pH too acidic for H2S production. Selectivity is achieved through the incorporation of sodium deoxycholate and phenol red acts as a pH indicator. According to ISO 6579-1:2017, subculture is performed separately from both Rappaport-Vassiliadis medium with Soya (RVS) and Muller-Kauffmann tetrathionate-novobiocin (MKTTn) broth. This medium conforms to the performance and formulation requirements of ISO 6579-1:2017.
Wine pH Indicator Strips pH...
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Johnson Analytica

Wine pH Indicator Strips pH 2.8 - 4.4

£18.96 vat excl.

£22.75 vat Inc.
Availability: Out of stock

Before fermentation, Johnson Test Papers’ Wine pH test strips are used to test the pH of the juice. They can also be used to test the pH of kombucha tea and cider. These strips work within the pH range 2.8 - 4.4. The optimum pH of yeast is between 5.2 - 5.5, which falls within the measuring capacity of the narrow-range Beer pH test strip (pH 4.6 - 6.2), to test for beer mash.

Mueller Hinton Agar II
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Neogen®

Mueller Hinton Agar II

£6,396.27 vat excl.

£7,675.52 vat Inc.
Availability: Out of stock
Mueller Hinton Agar II is used in antimicrobial susceptibility testing by the disk diffusion method. This formula conforms to Clinical and Laboratory Standard Institute (CLSI), formerly National Committee for Clinical Laboratory Standards (NCCLS). Mueller Hinton Agar II is based on the formula recommended by Mueller and Hinton for the primary isolation of Neisseria species. Mueller and Hinton selected pea meal extract agar as a simple transparent medium containing heat stable ingredients. During their modification, starch replaced the growth-promoting properties of pea extract, acting as a “protective colloid” against toxic substances. Bauer, Kirby, Sherris and Tuck recommended Mueller Hinton Agar for performing antibiotic susceptibility tests using a single disk of high concentration. This un-supplemented medium has been selected by the Clinical and Laboratory Standard Institute (CLSI) for several reasons. This medium is low in sulfonamide, trimethoprim and tetracycline inhibitors, and provides satisfactory growth of most non-fastidious pathogens along with demonstrating batch-to-batch reproducibility. Mueller Hinton Agar is often abbreviated as M-H Agar and complies with requirements of the World Health Organization. Mueller Hinton Agar is specified in FDA Bacteriological Analytical Manual for food testing, and procedures commonly performed on aerobic and facultatively anaerobic bacteria. A variety of supplements can be added to Mueller Hinton Agar, including 5% defibrinated sheep or horse blood, 1% growth supplement and 2% sodium chloride.
Skim Milk Powder
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Neogen®

Skim Milk Powder

£347.34 vat excl.

£416.81 vat Inc.
Availability: Out of stock
Skim Milk Powder is used when preparing microbiology culture media in a laboratory setting. Milk Powder is not intended for use in the diagnosis of disease or other conditions in humans. A bacteriological grade of thermophile free spray dried skim milk. Used in Milk Plate Count Agar NCM0119 and in media for diagnostic tests involving the digestion or coagulation of casein and the fermentation of lactose. Recommended working concentration 10%.
Meat Peptone
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Neogen®

Meat Peptone

£596.13 vat excl.

£715.36 vat Inc.
Availability: Out of stock
Meat Peptone is for use in preparing microbiological culture media in a laboratory setting, and is not intended for use in the diagnosis of disease or other conditions in humans. Meat Peptone is a highly nutritious enzymatic digest of meat and may be used as an ingredient in culture media.