MacConkey Agar is a selective and differential culture medium used in microbiology to isolate and differentiate Gram-negative bacteria, particularly those that are part of the Enterobacteriaceae family

MacConkey Agar Base is a dehydrated culture medium formulated for the selective isolation and differentiation of Gram-negative bacteria, particularly those from the Enterobacteriaceae family. It is widely used in microbiology for analyzing various samples like clinical specimens, food, water, and dairy products. The medium contains ingredients that inhibit the growth of Gram-positive bacteria, while allowing Gram-negative bacteria to grow. Lactose fermenters produce pink colonies, while non-lactose fermenters form colorless or transparent colonies, aiding in differentiation. 

Nutrient media are basic culture media used for maintaining microorganisms, cultivating fastidious organisms by enriching with serum or blood and are also used for purity checking prior to biochemical or serological testing. Nutrient Agar is ideal for demonstration and teaching purposes where a more prolonged survival of cultures at ambient temperature is often required without risk of overgrowth that can occur with more nutritious substrate.

Chocolate agar base is a dehydrated culture medium formulated to support the growth of fastidious bacteria, particularly Haemophilus and Neisseria species. It is a nutrient-rich medium, essentially a variant of blood agar where the red blood cells are lysed (broken down) by heat, releasing essential growth factors like NAD (V factor) and hemin (X factor). This lysis is what gives the medium its characteristic chocolate-brown color

Peptone Water is recommended for studying the ability of an organism to ferment a specific carbohydrate, which aids in the differentiation of genera and species. It is utilized as a base for carbohydrate fermentation studies with the addition of sugar and indicators such as bromocresol purple, phenol red, or bromothymol blue. It is also suitable as a substrate in the study of indole production.

Haemolysins are exotoxins produced by bacteria that lyse red blood cells. The haemolytic reaction can be visualized on blood agar plates. On blood agar plates colonies of haemolytic bacteria may be surrounded by clear, colorless zone where the red blood cells have been lysed and the hemoglobin destroyed to a colorless compound.

Staphylococci are widespread in nature, although they are mainly found on the skin, skin glands and mucous membranes of mammals and birds. The coagulase-positive species i.e Staphylococcus aureus is well documented as a human opportunistic pathogen. The ability to clot plasma continues to be the most widely used and accepted criterion for the identification of pathogenic staphylococci associated with acute infections

TM MEDIA SS AGAR (SALMONELLA SHIGELLA AGAR) For differential and selective isolation of Salmonella and Shigella species from pathological samples and foods.

for preparation of various selective & identification media & isolation of organisms from clinical specimens

for cultivation of fastidious pathogenic bacteria, yeasts and molds

for selective isolation and enumeration of Salmonella Typhi and other Salmonella species