Lowenstein Jensen medium, depicted in the images below, is a selective medium for growth of mycobacterium tuberculosis, which takes about 6-8 weeks for growth and the colonies are rough and pale yellow. Ingredients include malachite green which acts as an indicator and also inhibits the growth of other microorganisms.
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Lowenstein Jensen Medium | howMed Images
Lowenstein Jensen medium, depicted in the images below, is a selective medium for growth of mycobacterium tuberculosis, which takes about 6-8 weeks for growth and the colonies are rough and pale yellow. Ingredients include malachite green which acts as an indicator and also inhibits the growth of other microorganisms.
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Want a clearer concept, also see
Article on Culture Media