18 Questions
What is the main purpose of fermentation in food processing?
To convert carbohydrates to alcohol or organic acids using microorganisms
Which type of fermentation occurs in the presence of oxygen?
Aerobic fermentation
What is the primary means of producing ATP by the degradation of organic nutrients anaerobically?
Fermentation
Which microorganisms typically perform Ethanol/Alcoholic fermentation?
Yeast
What differentiates anaerobic fermentation from anaerobic respiration?
The absence of oxygen and electron-accepting molecules
What does zymology refer to in the context of fermentation?
The science of fermentation
What is the end product of alcoholic fermentation?
Ethanol and carbon dioxide
How many molecules of ethanol are produced from the fermentation of one molecule of glucose?
Two
Which type of fermentation involves the conversion of pyruvate to lactate without releasing gas?
Homolactic acid fermentation
Which organisms are involved in transforming sugars to lactic acid in lactic acid fermentations?
Leuconostoc, Streptococcus, and Lactobacillus bacteria
What is the purpose of the phosphoketolase pathway in heterolactic fermentation?
To metabolize lactate further into ethanol and carbon dioxide
What distinguishes homolactic fermentation from heterolactic fermentation?
Homolactic fermentation produces only lactic acid with no by-products
What is the role of lactic acid-producing bacteria in food fermentation?
Converting lactose to lactic acid
Which of the following is an example of a lactic acid-fermented food mentioned in the text?
Yogurt
What is the key role of solid state fermentation in food production?
Acting as both support and nutrient source for microorganisms
In solid state fermentation, what are biomolecules that are utilized in food manufacture?
Metabolites generated by microorganisms
Which microorganisms are commonly encountered in fermentation processes according to the text?
Saccharomyces and lactic acid bacteria
What happens when lactic acid-producing bacteria 'stray' from their intended location according to the text?
They become spoilage organisms with ruinous effects
Explore the process of converting carbohydrates to alcohol or organic acids using microorganisms in food processing. Learn about anaerobic conditions, zymology, and the metabolic processes involved in fermentation.
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