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T9410

Millipore

Tryptone

Pancreatic digest of casein, Suitable for microbiology

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Synonym(s):
Peptone from casein, Peptone from casein, casein tryptic digested
CAS Number:
EC Number:
NACRES:
NA.85

biological source

bovine milk

Quality Level

form

powder

packaging

poly bottle of 1 kg
poly bottle of 250 g

nitrogen analysis

11.4-13.9% total

loss

≤11% loss on drying

pH

6.6-7.4

application(s)

microbiology

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This Item
93733T729370937
Tryptone Pancreatic digest of casein, Suitable for microbiology

Millipore

T9410

Tryptone

Tryptone Microbiologically tested.

Millipore

T7293

Tryptone

Tryptose suitable for microbiology

Millipore

70937

Tryptose

form

powder

form

powder

form

powder

form

powder

nitrogen analysis

11.4-13.9% total

nitrogen analysis

-

nitrogen analysis

11.0-16.0% total

nitrogen analysis

-

loss

≤11% loss on drying

loss

≤6.0% loss on drying

loss

≤6% loss on drying

loss

≤8% loss on drying

pH

6.6-7.4

pH

7.0±0.5 (25 °C, 2% in H2O)

pH

6.9-7.4

pH

6.2-7.2

application(s)

microbiology

application(s)

food and beverages, microbiology

application(s)

food and beverages
microbiology

application(s)

food and beverages, microbiology

General description

Tryptone is a general-purpose growth peptone produced by the digestion of casein with the protease trypsin and used as a nitrogen source in culture media formulated for isolating and cultivating fastidious and non-fastidious bacteria, fungi, and some protozoa. It is a refined hydrolysate with high solubility and is used as a microbiological nutrient in laboratory media and fermentations. It is a high-quality source of amino acids and peptides produced by the pancreatic digestion of casein.

Application

Tryptone is recommended for laboratory media and fermentation and has been used in antibiotics, toxins, and enzyme productions. It is also used as a nutrient in vaccine production where a high free amino acid content is required. Tryptone may also be used in STGG (skim milk, tryptone, glucose, glycerol) medium at -80°C, which is used to preserve Streptococcus pneumoniae, Haemophilus influenzae, and Moraxella catarrhalis isolates for at least 3 years.

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Resp. Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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25G
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M B Hall
Journal of dairy science, 100(4), 2739-2750 (2017-02-22)
The availability of rumen-degradable protein (RDP) changes the use of carbohydrates by ruminal microbes. However, the effects of RDP on the simultaneous use of carbohydrate and formation of microbial products are not well described, although such information is needed to
M B Hall et al.
Journal of dairy science, 99(1), 245-257 (2015-11-26)
Fructans are an important nonfiber carbohydrate in cool season grasses. Their fermentation by ruminal microbes is not well described, though such information is needed to understand their nutritional value to ruminants. Our objective was to compare kinetics and product formation
Tarja Kaijalainen et al.
Journal of clinical microbiology, 42(1), 412-414 (2004-01-13)
In STGG (skim milk, tryptone, glucose, glycerol) medium at -80 degrees C, Streptococcus pneumoniae, Haemophilus influenzae, and Moraxella catarrhalis isolates survived for at least 3 years, and the same species have survived in nasopharyngeal swabs for at least 1.5 years.
S Gargallo et al.
Journal of dairy science, 103(7), 6209-6217 (2020-04-26)
Current feeding systems are based on the assumption that the AA profile of rumen undegraded protein is similar to that of the original feed. The objective of this experiment was to determine rumen bacterial degradation of individual essential AA in
Frederick K Balagaddé et al.
Science (New York, N.Y.), 309(5731), 137-140 (2005-07-05)
Using an active approach to preventing biofilm formation, we implemented a microfluidic bioreactor that enables long-term culture and monitoring of extremely small populations of bacteria with single-cell resolution. We used this device to observe the dynamics of Escherichia coli carrying

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