Tryptic Soy Broth

Tryptic soy broth is a general-purpose medium supporting growth of a wide range of bacteria and fungi. Components: enzymatic casein digest (amino acids), soybean digest (nitrogen), dextrose (energy), sodium chloride (osmotic equilibrium), potassium phosphate (pH buffer). Meets USP, EP, and JP requirements. Available from Difco, Alpha Biosciences, BBL, BIOKAR, and Criterion in 500g, 2kg, and 5kg sizes. Sign in to your account or contact your sales rep for organizational pricing.


Frequently Asked Questions

What organisms can TSB grow?

Most nonfastidious bacteria and many fungi. It's the most widely used general-purpose broth.

What is TSB used for?

Clinical microbiology, food testing, environmental sampling, research cultures, quality control, and USP sterility testing.

Which brand should I use?

All brands meet standard specifications. Selection often depends on regulatory requirements or existing lab protocols.



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Item No. Alt. Part No. Brand Name Product Description Mfr. Item No. Size Unit of Measure Your Cost Purchase
TRYPTO-CASEIN SOY BROTH 500G
3120-23
BIOKAR Diagnostics Tryto-Casein Soy Broth BK046HA 500 gram Each
$45.95
Add to Cart 3 In Stock 3 In Stock
TRYPTO-CASEIN SOY BROTH 5KG
3120-22
BIOKAR Diagnostics Tryto-Casein Soy Broth BK046GC 5 kg Each
$405.41
Add to Cart 4 In Stock 4 In Stock
Trypticase Soy Broth
3089-00
BBL Trypticase Soy Broth 211768 500 gram Each
$83.28
Add to Cart 4 In Stock 4 In Stock
Tryptic Soy Broth
3115-50
Criterion Tryptic Soy Broth C7141 500 gram Each
$83.37
Add to Cart On Order In Stock
Tryptic Soy Broth
3115-60
Criterion Tryptic Soy Broth C7142 2 kg Each
$288.61
Add to Cart On Order In Stock
Bacto Tryptic Soy Broth
3095-85
EF0370-17-3 Difco Bacto Tryptic Soy Broth 211825 500 gram Each
$115.11
Add to Cart 1 In Stock 1 In Stock
Bacto Tryptic Soy Broth
3095-90
EF0370-07-5 Difco Bacto Tryptic Soy Broth 211822 2 kg Each
$413.77
Add to Cart This item is on back order. Allow 5-10 business days. In Stock
Trypticase Soy Broth
3089-04
Difco Trypticase Soy Broth 211771 5 lb Each
$455.26
Add to Cart On Order In Stock
Trypto Soy Broth
3116-74
Alpha Biosciences Trypto Soy Broth T20-110 500 gram Each
$49.70
This item is on back order. Allow 5-10 business days. This item is on back order. Allow 5-10 business days.
Trypto Soy Broth
3116-75
Alpha Biosciences Trypto Soy Broth T20-110 2 kg Each
$191.71
Add to Cart 2 In Stock 2 In Stock