Description
Specifications Table
| Product Name | B.T.B. Lactose Agar | M861-500 gm Himedia |
|---|---|
| Quantity/Pack Size | 500 gm |
| Form | Powder |
| Grade | Lab Grade |
| Application | Differential isolation of coliforms and enteric bacteria |
Product Description
B.T.B. Lactose Agar is a specialized microbiology medium designed for the selective isolation and differentiation of coliform bacteria and other enteric pathogens. This high-quality agar powder from Himedia is widely used in clinical, food, and environmental microbiology labs for its reliability in detecting lactose-fermenting and non-fermenting organisms.
The medium contains bromothymol blue (B.T.B.) as a pH indicator, which turns yellow in the presence of acid-producing bacteria, making it easier to identify colonies. Lactose serves as the fermentable carbohydrate, while peptones provide essential nutrients for bacterial growth. This combination ensures accurate and consistent results in microbial testing.
Whether you’re a student, researcher, or educator, B.T.B. Lactose Agar is an essential tool for microbiology experiments. Its ease of preparation and clear differentiation make it ideal for educational labs and professional research settings.
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This medium is particularly useful in water quality testing, food safety analysis, and clinical diagnostics. The 500 gm pack size is perfect for frequent use in academic and research laboratories, ensuring you always have a steady supply for your experiments.
FAQs
What is B.T.B. Lactose Agar used for?
B.T.B. Lactose Agar is used for the selective isolation and differentiation of coliform bacteria and enteric pathogens in microbiology labs.
How do I prepare B.T.B. Lactose Agar?
Suspend 50 gm of powder in 1 liter of distilled water, heat to boiling, autoclave at 121°C for 15 minutes, cool, and pour into sterile plates.
What does the color change indicate in B.T.B. Lactose Agar?
The bromothymol blue indicator turns yellow in the presence of acid-producing bacteria, helping identify lactose-fermenting colonies.
Can I buy B.T.B. Lactose Agar in smaller quantities?
This product is available in a 500 gm pack. For smaller quantities, check with eqipped for alternative options.
Is B.T.B. Lactose Agar suitable for educational labs?
Yes, it is widely used in academic settings for teaching bacterial isolation and identification techniques.





