TSN agar

TSN agar

TSN agar is a special culture medium for selective isolation and identification of pathogenic vibrios such as Vibrio vulnificus. Its name comes from its main components: T (tryptone), S (salt) and N (naphthidonic acid). The high content of sodium chloride (about 2%) creates a hypertonic environment for the growth of Vibrio and can inhibit the growth of most non-Vibrio. The key selective antibiotic nalidixic acid further inhibited gram-negative bacteria. On this culture medium, Vibrio vulnificus usually forms yellow colonies by fermenting sucrose, while Vibrio parahaemolyticus without fermenting sucrose presents blue or green colonies, thus achieving preliminary identification and being widely used for screening pathogenic Vibrio in aquatic products and clinical samples.

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2. For your safety and health, please wear a lab coat and disposable gloves and masks when operating.

3. The experimental can be affected by a variety of factors, and the relevant treatment is limited to the product itself, and does not involve other compensation.