| 简介 |
The invention consists on providing a new culture medium and a method for the identification of Gram-negative organisms, based on their differentiation by the appearance of at least 10 different colors of the regular and irregular colonies and of halos of at least 5 different colors and sizes. Said medium comprises a mixture of compounds that provide the appearance of halos of different colors and sizes, constituted by siliceous earth, skimmed milk, starches and bacteriological charcoal. Said medium also comprises a mixture of nutrient bases, substances that guarantee the appearance of different colors of the colonies, substances that guarantee the inhibition of the Gram-positive organisms and substances that provide a solid matrix for the growth and development of the colonies. |
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