Domanda del libro di testo
Indicate whether the following statement is true or false. Rewrite the underlined phrase to make a false statement true.
______ The fermentation of dairy products relies on mixed acid fermentation.
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Ch. 26 - Applied and Industrial Microbiology
Bauman6th EditionMicrobiology with Diseases by TaxonomyISBN: 9780134832302
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TOC.tableOfContents
- Ch. 1 - A Brief History of Microbiology31
- Ch. 2 - The Chemistry of Microbiology28
- Ch. 3 - Cell Structure and Function39
- Ch. 4 - Microscopy, Staining, and Classification25
- Ch. 5 - Microbial Metabolism51
- Ch. 6 - Microbial Nutrition and Growth37
- Ch. 7 - Microbial Genetics51
- Ch. 8 - Recombinant DNA Technology21
- Ch. 9 - Controlling Microbial Growth in the Environment36
- Ch. 10 - Controlling Microbial Growth in the Body: Antimicrobial Drugs21
- Ch. 11 - Characterizing and Classifying Prokaryotes29
- Ch. 12 - Characterizing and Classifying Eukaryotes34
- Ch. 13 - Characterizing and Classifying Viruses, Viroids, and Prions23
- Ch. 14 - Infection, Infectious Diseases, and Epidemiology35
- Ch. 15 - Innate Immunity34
- Ch. 16 - Adaptive Immunity21
- Ch. 17 - Immunization and Immune Testing29
- Ch. 18 - Immune Disorders22
- Ch. 19 - Pathogenic Gram-Positive Bacteria25
- Ch. 20 - Pathogenic Gram-Negative Cocci and Bacilli28
- Ch. 21 - Rickettsias, Chlamydias, Spirochetes, and Vibrios25
- Ch. 22 - Pathogenic Fungi47
- Ch. 23 - Parasitic Protozoa, Helminths, and Arthropod Vectors44
- Ch. 24 - Pathogenic DNA Viruses23
- Ch. 25 - Pathogenic RNA Viruses30
- Ch. 26 - Applied and Industrial Microbiology29
- Ch. 27 - Microbial Ecology and Microbiomes22
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Capitolo 26, Problema 1
Food fermentations do all of the following except ________.
a. Give foods a characteristic taste
b. Lower the risk of food spoilage
c. Sterilize foods
d. Increase the shelf life of the food
Guida verificata passo dopo passo1
Understand the role of food fermentation: it involves the metabolic activity of microorganisms that transform food components, often producing acids, alcohols, and other compounds.
Analyze option (a): Fermentation produces characteristic flavors and aromas in foods, such as in yogurt, cheese, and sauerkraut, so this is a true function of fermentation.
Analyze option (b): Fermentation lowers the risk of spoilage by producing acids or alcohols that inhibit the growth of spoilage organisms, so this is also true.
Analyze option (c): Sterilization means complete destruction of all microorganisms, including spores, which fermentation does not achieve; fermentation reduces spoilage organisms but does not sterilize food.
Analyze option (d): Fermentation increases shelf life by creating conditions unfavorable to spoilage microbes, so this is true. Therefore, the exception is the process that fermentation does not perform, which is sterilization.
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Food Fermentation
Food fermentation is a metabolic process where microorganisms like bacteria, yeasts, or molds convert sugars into acids, gases, or alcohol. This process alters the food's flavor, texture, and nutritional profile, often enhancing taste and preserving the food naturally.
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Food Preservation and Shelf Life
Fermentation helps preserve food by producing acids or alcohol that inhibit spoilage organisms, thereby extending the food's shelf life. This natural preservation reduces the risk of food spoilage and maintains food safety over time.
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Sterilization vs. Fermentation
Sterilization is a process that completely eliminates all microorganisms, including spores, usually by heat or chemicals. Fermentation does not sterilize food; instead, it encourages beneficial microbes while suppressing harmful ones, so fermented foods are not sterile.
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01:59Alcohol Fermentation