Tryptic Soy Agar

suitable for microbiology, NutriSelect® Plus

CASO Agar, Soybean Casein digest Agar, TSA, Tryptone Soya Agar

Quality Level


according to GB 4789.40-2016
according to ISO 11731:2017
according to ISO 22964:2017



product line




shelf life

limited shelf life, expiry date on the label


agar, 15 g/L
casein peptone (pancreatic), 15 g/L
sodium chloride, 5 g/L
soya peptone (papainic), 5 g/L


NutriSelect® Plus


bioburden testing: suitable
microbe id | specific enzyme detection: suitable
microbiological culture: suitable
microbiology: suitable
surface monitoring: suitable

final pH

7.3±0.2 (25 °C)

Featured Industry

Cleaning Products
Clinical Testing
Food and Beverages
Personal Care


Enterococcus spp.
Haemophilus spp.
Pneumococcus spp.
nonselective for Bacillus spp.
nonselective for Bacteroides spp.
nonselective for Campylobacter spp.
nonselective for Candida spp.
nonselective for Cronobacter spp.
nonselective for Escherichia coli
nonselective for Neisseria spp.
nonselective for Staphylococcus spp.
nonselective for Streptococcus spp.
nonselective for bacteria (General Media)
nonselective for coliforms

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Related Categories


general purpose media for bacteria

Preparation Note

Suspend 40 g of dehydrated media in 1 litre of purified filtered water. Sterilize at 121°C for 15 minutes. Cool to 45-50°C. Mix gently and dispense into sterile Petri dishes or sterile culture tubes.

Legal Information

NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves


NONH for all modes of transport

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
Byron Brook et al.
Science translational medicine, 12(542) (2020-05-08)
Death from sepsis in the neonatal period remains a serious threat for millions. Within 3 days of administration, bacille Calmette-Guérin (BCG) vaccination can reduce mortality from neonatal sepsis in human newborns, but the underlying mechanism for this rapid protection is...
Binbin Deng et al.
iScience, 23(2), 100827-100827 (2020-02-15)
Pseudomonas aeruginosa biofilms represent a major threat to health care. Rugose small colony variants (RSCV) of P. aeruginosa, isolated from chronic infections, display hyperbiofilm phenotype. RSCV biofilms are highly resistant to antibiotics and host defenses. This work shows that RSCV...
Qian Du et al.
Journal of immunology (Baltimore, Md. : 1950), 201(2), 533-547 (2018-06-03)
Porcine circovirus (PCV) type 2 (PCV2), an immunosuppression pathogen, is often found to increase the risk of other pathogenic infections. Yet the relative immune mechanisms determining the susceptibility of PCV2-infected animals remain unclear. In this study, we confirmed that PCV2...
Amani Y Alhalwani et al.
Proteins, 88(1), 166-174 (2019-07-12)
Lactoferrin (LF) is a multifunctional protein that plays important physiological roles as one of the most concentrated proteins in many human and other mammalian fluids and tissues. In particular, LF provides antibacterial properties to human milk, saliva, and tear fluid....
Tara R Catron et al.
Scientific reports, 9(1), 7064-7064 (2019-05-10)
Estrogenic chemicals are widespread environmental contaminants associated with diverse health and ecological effects. During early vertebrate development, estrogen receptor signaling is critical for many different physiologic responses, including nervous system function. Recently, host-associated microbiota have been shown to influence neurodevelopment....
Chronobacter spp. Classic and New Detection Methods
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Vibrios are motile, curved or comma-shaped bacilli and have a single polar flagella with sheet proteins. They are often found in open water, freshwater and saltwater.
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On the Trail of Campylobacter - The Campylobacter is one of the leading causes of human gastroenteritis. Common Campylobacter species C. jejuni, C. coli, and C. lari are responsible for most cases of campylobacteriosis. However, other species, like C. fetus, which causes spontaneous abortions, have also been associated with human illness. Campylobacter are Gram-negative, spiral-shaped, microaerophilic and motile bacteria with uni- or bi-polar fl agella
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Campylobacter spp. are regarded as the leading cause of bacterial gastroenteritis in humans worldwide.
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