Multiple choice

Xanthomonas campestris organism is used for xanthan gum production which is used in bubble gums. Which of the following is added to the fermentor to stop the reaction once xanthan gum is obtained?

  1. Isopropanol

  2. Glucose

  3. Lactic acid

  4. Penicillin

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Isopropanol or methanol is added to stop the reaction. It kills the bacteria and also helps in the precipitation of xanthan gum.