Laboratory Protocols & SOPs Library

Dextrose Tryptone Broth (Powder)

· Published 27 juil. 2023 · Updated 9 juin 2025

Directions per Liter:

Suspend 30g of the powder in 1L of distilled water. Mix thoroughly. Heat with frequent agitation and boil for 1 minute to completely dissolve the powder. Dispense into appropriate containers, loosen caps and autoclave for 15 minutes at 121ºC (15psi).

Component	g/liter
Tryptone	20
Dextrose	10
Bromcresol Purple
	Total: 30.04g/Liter

Storage and Stability:

Store powdered media at 4ºC. Opened bottles should be capped tightly and kept in a dark, low humidity environment. Prepared media should be kept at 4°C and used within a short period of time.

Categories: Laboratory Protocols & SOPs Library

Da — when not otherwise indicated, molecular weight units are daltons. Mw — weight-average molecular weight. Mn — number-average molecular weight.

Products are supplied for research and development use only. Not for use in humans, animals, diagnosis, or therapy.

Cite this article

Aladdin Scientific. "Dextrose Tryptone Broth (Powder)" Aladdin Knowledge Base, updated 9 juin 2025. https://www.aladdinsci.com/us_fr/faqs/dextrose-tryptone-broth-powder-en.html

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