20 results found for: “mannitol_salt_agar”.

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Mannitol salt agar

Mannitol salt agar or MSA is a commonly used selective and differential growth medium in microbiology. It encourages the growth of a group of certain bacteria...

Last Update: 2021-01-28T20:12:45Z Word Count : 368 Synonim Mannitol salt agar

Growth medium

colonies in this medium. MacConkey agar is differential for lactose fermentation. Mannitol salt agar is differential for mannitol fermentation. X-gal plates are...

Last Update: 2021-07-12T12:55:57Z Word Count : 2080 Synonim Growth medium

Agar plate

similar purpose. Mannitol salt agar is also a selective and differential medium. The mannitol indicates organisms that ferment mannitol: mannitol fermentation...

Last Update: 2021-07-02T19:18:49Z Word Count : 1880 Synonim Agar plate


analysis of this acid. Mannitol is the primary ingredient of mannitol salt agar, a bacterial growth medium, and is used in others. Mannitol is used as a cutting...

Last Update: 2021-06-15T21:51:11Z Word Count : 2770 Synonim Mannitol

Staphylococcus aureus

Y. (9 October 2006). "Mannitol Salt Agar Plates Protocols". www.asmscience.org. Retrieved 31 December 2020. "Mannitol Salt Agar (MSA) | Culture Media"...

Last Update: 2021-07-21T14:50:14Z Word Count : 11509 Synonim Staphylococcus aureus


and M. roseus (red) produce yellow or pink colonies when grown on mannitol salt agar. Isolates of M. luteus have been found to overproduce riboflavin when...

Last Update: 2021-06-19T03:01:51Z Word Count : 746 Synonim Micrococcus


nonsterile soil in a test tube with water, shaking, placing in melted mannitol salt agar, and incubating at room temperature for at least a day. Cultured colonies...

Last Update: 2021-05-29T21:34:53Z Word Count : 3222 Synonim Bacillus

Isolation (microbiology)

high salt concentrations in Mannitol salt agar favor survival of any staphylococci present in a sample of gut bacteria, and phenol red in the agar acts...

Last Update: 2020-12-29T10:17:37Z Word Count : 1267 Synonim Isolation (microbiology)


chemical compound used as a matrix in MALDI mass spectrometry Mannitol salt agar, an agar used in microbiology Measurement systems analysis, the analysis...

Last Update: 2021-06-14T08:33:15Z Word Count : 794 Synonim MSA

Staphylococcus hominis

Optimal NaCl concentrations of the agar culture for the growth of S. hominis seem to be around 7.5%, and a salt concentration of 15% yielded poor growth...

Last Update: 2021-03-29T22:13:51Z Word Count : 1781 Synonim Staphylococcus hominis

Bacillus cereus

mannitol-egg yolk-polymyxin (MYP) and polymyxin-pyruvate-egg yolk-mannitol-bromothymol blue agar (PEMBA). B. cereus colonies on MYP have a violet-red background...

Last Update: 2021-07-22T23:42:55Z Word Count : 3312 Synonim Bacillus cereus

List of food additives

Maltol – flavor enhancer Maltose – Mandarin oil-leavening agent Manganese – Mannitol – humectant, anti-caking agent, sweetener Margarine – Marjoram (Origanum...

Last Update: 2021-07-14T13:13:55Z Word Count : 4328 Synonim List of food additives

Candida tropicalis

D-xylose, C11 Maltose, C12 α,α-trehalose, C22 Starch, C28 D-glucitol, C29 D-mannitol, C32 D-glucono-1,5-lactone, C33 2-keto-d-gluconate, C34 5-keto-d-gluconate...

Last Update: 2021-06-10T15:39:18Z Word Count : 2744 Synonim Candida tropicalis


soluble carbohydrates and storage compounds, including sugar alcohols (e.g., mannitol), disaccharides, (e.g., trehalose), and polysaccharides (e.g., glycogen...

Last Update: 2021-07-17T18:20:51Z Word Count : 17921 Synonim Fungus

International Numbering System for Food Additives

emulsifier 420 A E sorbitol humectant, emulsifier, sweetener 421 A E mannitol humectant, anti-caking agent, sweetener 422 A E glycerin humectant, sweetener...

Last Update: 2021-06-18T01:43:29Z Word Count : 480 Synonim International Numbering System for Food Additives

Nocardiopsis sinuspersici

sinuspersici have been shown to grow optimally on yeast extract agar and less optimally on agar containing oatmeal and inorganic starches. N. sinuspersici...

Last Update: 2021-06-16T16:46:52Z Word Count : 509 Synonim Nocardiopsis sinuspersici

E number

Sorbitol syrup (emulsifier) (sweetener) humectant Approved in the EU. E421 Mannitol (anti-caking agent) sweetener Approved in the EU. E422 Glycerol (emulsifier)...

Last Update: 2021-07-23T09:10:37Z Word Count : 1005 Synonim E number

Staphylococcus haemolyticus

broth with 2% NaCl favors the production of CP; cultivation on Columbia salt agar plates is suboptimal. Only trace amounts of CP are generated before the...

Last Update: 2021-07-05T15:36:40Z Word Count : 2393 Synonim Staphylococcus haemolyticus


distinct tart flavor. Lactobacillus L. anticaries Lactic acid fermentation MRS agar Pediococcus Probiotics Proteobiotics Carbon monoxide-releasing molecules...

Last Update: 2021-07-02T19:39:19Z Word Count : 4198 Synonim Lactobacillus

Aspergillus wentii

Aspergillus wentii grows well on carbon-based media supplemented with mannitol, fructose, galactose, sucrose, lactose, or maltose. Generally, Aspergillus...

Last Update: 2021-05-29T04:51:10Z Word Count : 3175 Synonim Aspergillus wentii

Main result

Mannitol salt agar

Mannitol salt agar or MSA is a commonly used selective and differential growth medium in microbiology. It encourages the growth of a group of certain bacteria while inhibiting the growth of others. This medium is important in medical laboratories as one method of distinguishing pathogenic microbes in a short period of time. It contains a high concentration (about 7.5–10%) of salt (NaCl) which is inhibitory to most bacteria - making MSA selective against most Gram-negative and selective for some Gram-positive bacteria (Staphylococcus, Enterococcus and Micrococcaceae) that tolerate high salt concentrations. It is also a differential medium for mannitol-fermenting staphylococci, containing carbohydrate mannitol and the indicator phenol red, a pH indicator for detecting acid produced by mannitol-fermenting staphylococci. Staphylococcus aureus produces yellow colonies with yellow zones, whereas other coagulase-negative staphylococci produce small pink or red colonies with no colour change to the medium. If an organism can ferment mannitol, an acidic byproduct is formed that causes the phenol red in the agar to turn yellow. It is used for the selective isolation of presumptive pathogenic (pp) Staphylococcus species.

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