NESTER'S MICROBIOLOGY-ACCESS
9th Edition
ISBN: 9781260518498
Author: Anderson
Publisher: MCG
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Textbook Question
Chapter 5, Problem 4SA
What is the primary reason that wine is pasteurized?
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Chapter 5 Solutions
NESTER'S MICROBIOLOGY-ACCESS
Ch. 5 - How is preservation different from pasteurization?Ch. 5 -
2. What is the most chemically resistant...Ch. 5 - Explain why it takes longer to kill a population...Ch. 5 - What is the primary reason that wine is...Ch. 5 -
5. What is the primary reason that milk is...Ch. 5 - When canning, why are low-acid foods processed at...Ch. 5 - How are heat-sensitive liquids sterilized?Ch. 5 -
8. How does microwaving a food product kill...Ch. 5 -
9. How is an iodophore different from a tincture...Ch. 5 - Name two products commonly sterilized using...
Ch. 5 - Unlike a disinfectant, an antiseptic a) sanitizes...Ch. 5 - The D value is defined as the time it takes to...Ch. 5 - Prob. 3MCCh. 5 - Prob. 4MCCh. 5 - Which concentration of alcohol is the most...Ch. 5 - All of the following could be used to sterilize an...Ch. 5 - All of the following are routinely used to...Ch. 5 - Aseptically boxed juices and cream containers are...Ch. 5 - Commercial canning processes are designed to...Ch. 5 -
10. Which of the following is false?
a) A...Ch. 5 - An agriculture extension agent is preparing...Ch. 5 - As a microbiologist representing a food...Ch. 5 - This graph shows the time it takes to kill...Ch. 5 -
2. This diagram shows the filter paper method...
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- Which of the following is often added to wine to inhibit growth of the natural microbial populations on grapes?a) Benzoic acid b) Lactic acid c) Carbon dioxided) Sulfur dioxide e) Oxygenarrow_forwardAll the following are listed in the same media classification except: a) Complex b) Supportive c) Enriched d) Selective e) Differentialarrow_forwardWhy does the fermentation process produce solutions of only 10 - 15% ethanol?arrow_forward
- Which concentration of alcohol is the most effective germicide?a) 100% b) 75% c) 50%d) 25% e) 5%arrow_forwardThe principle and What type pf Media of the following Conkey Agar vii) MacConkey Broth viii) TSA Base for Blood and chocolate Agar ix) Mannitol Salt Agar x) Tryptic Soy Agar xi) Alkaline peptone water What is the principle of Growth Medium and Culture medium?arrow_forwardWhat is the point of the pressure in the autoclave sterilization?arrow_forward
- A sharp growth line in the SIM media is an indication of what characteristic? A) Hydrogen sulfide gas production B) Tryptophan breakdown C) Indole production D) Non-motilearrow_forwardYou are employed by a research institution that develops technology for food preservation. The head of the department wants you to develop a controlled fermentation procedure that utilizes carabao mango. The required flavour are as follows: tart and buttery taste. What LAB species will you utilize in the fermentation process? What method will you use in the starter culture preparation and addition? What are the essential ingredients and condition that will favour the growth of your starter culture?arrow_forwardOf what practical importance are air borne microorganisms to the laboratory workers? What precautions should be taken to control laboratory contaminants? What precautions should be taken to control laboratory contaminants? Of what advantage is the using a solid and a liquid medium?arrow_forward
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