Also known as Tryptone soya agar + 1% glucose, Tryptic soy agar + 1% glucose, Casein soya bean digest agar + 1% glucose, Soybean-casein digest agar medium + 1% glucose.
General-purpose medium for the cultivation and isolation of a wide variety of microorganisms.
This acidic medium has a simple formulation but with a high content of sugars.
Component | Amount (per litre) |
Tryptone Soya Agar | 40.0 g |
Glucose (dextrose) | 10.0 g |
pH | 7.0 ± 0.2 |
Pale straw to straw-coloured, slightly opaque medium.
Microorganism |
Morphology |
Colony Appearance |
Staphylococcus aureus |
Gram-positive cocci |
Yellow or cream colonies |
Escherichia coli |
Gram-negative rods |
Cream-coloured colonies |
Pseudomonas paraeruginosa |
Gram-negative rods |
Cream-coloured colonies |
Bacillus spizizenii |
Gram-positive rods |
Large, cream-coloured colonies |
Candida albicans |
Yeast |
Cream-coloured colonies |
Aspergillus brasiliensis |
Filamentous fungi |
White to black colonies |
Staphylococcus epidermidis |
Gram-positive cocci |
Yellow or cream colonies |
Microorganism Type |
Temperature Range |
Incubation Duration |
Combined detection of bacteria, yeasts, and moulds |
22.5-27.5°C |
Minimum 5 days 7 days recommended
|
All formulations are recommended formulations referenced in Quality Assurance of Aseptic Preparation Services: Standards Handbook, Fifth Edition, Parts A and B Edited by Alison M Beaney and D Prof, MSc, FRPHramS, Part B – I, MICROBIOLOGICAL ENVIRONMENTAL MONITORING TECHNIQUES FOR THE LABORATORY, Section 14 – Suitable media formulae, pages 171 – 173.
Comparative Analysis of Petri Dish Variation in Flow Rate for Air Sampling. This extended report aims to further investigate the variations in flow rate observed in petri dishes used for air sampling, focusing on the potential factors contributing to these fluctuations.
Receive the latest articles as they are published.
7 & 8 Launton Business Centre,
Murdock Road,
Bicester,
OX26 4XB
Phone
Tel: +44 (0) 1869 355 500
Fax: +44 (0) 1869 355 545
Email
sales@cherwell-labs.co.uk
Copyright © 2022 Cherwell Laboratories. All rights reserved. Privacy Policy & Disclaimer