Fermentation Products Extraction and Purification Quiz

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Questions and Answers

What factor may increase the difficulties of product recovery from a fermentation broth?

  • Low biohazard magnitude
  • Presence of intact microorganisms (correct)
  • High concentration of the desired product
  • Minimal impurities in the broth

Why is speed of operation an important factor in ensuring good recovery or purification?

  • Because the product is labile (correct)
  • To ensure minimal impurities
  • To increase product concentration
  • To reduce fermentation costs

Which factor does NOT influence the choice of recovery process for fermentation products?

  • Intracellular or extracellular location of the product
  • Concentration of the product in the broth
  • Color of the fermentation broth (correct)
  • Physical and chemical properties of the product

What is a potential consequence of choosing the wrong processing equipment for a harvested broth?

<p>Extended processing time (C)</p> Signup and view all the answers

Why might the recovery cost of microbial products vary significantly?

<p>Based on the intended use of the product (D)</p> Signup and view all the answers

What is the main objective of the first stage for the recovery of an extracellular product?

<p>Removal of large solid particles and microbial cells (B)</p> Signup and view all the answers

Which technique is NOT mentioned as a method used in the fractionation or extraction of major fractions from the broth?

<p>Sedimentation (D)</p> Signup and view all the answers

Which parameter is NOT considered during the recovery of a compound?

<p>Air humidity (A)</p> Signup and view all the answers

Which characteristic should be modified to handle the broth faster with simpler equipment?

<p>Reduce undesirable metabolite production (A)</p> Signup and view all the answers

Which factor is NOT a consideration when determining the route for recovery and purification of a compound?

<p>Weather conditions (D)</p> Signup and view all the answers

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