Complete the table by providing the color of the slant and butt and indicating h

Question

Complete the table by providing the color of the slant and butt and indicating how you would visually determine the "reduction of sulphur" and the production of gas.

200 Case Study Exercise 34 Epidemiology of Gastrointestinal D 2. Complete the table by providing the color of the slant and butt and indicating how you would visually determine the reduction of sultur" (i.e, H,S production) and the production of gas Kliglers iron agar results Visual result (color of slant and butt) nterpretation Glucose and lactose fermentation Glucose fermentation Reduction of sulfur Production of gas

Explanation / Answer

Ans- yellow slant/ yellow butt - glucose and lactose fermentation.

Red slant/ yellow butt- only glucose fermentation - peptones are catabolised aerobically.

Bubbles or cracks in medium or entire slant may be pushed up of the tube - gas production

Black precipitation- reduction of Sulfur- H2S will react with Fe and produced black precipitate between the slant and butt.

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