Applied microbiology (Questions with 100% verified answers)

What are the 2 fields of commercial use of microorganisms? correct answers Food microbiology, industrial microbiology What is food microbiology? correct answers Use of microbes in food production and the prevention of food spoilage and food related illnesses What is industrial microbiology? correct answers Application of microbes to industrial manufacturing processes and the solution to environment health and agricultural problems and molecular micro. What does the prevention of food related illnesses mean? correct answers Prevents contamination from pathogens Treat food to kill pathogens What does prevent of food spoilage mean? correct answers Food spoilage microbes reduce quality of food Reduce shelf life of food How is food contaminated? correct answers Soil Handling Harvesting/slaughtering Improper storage Preparation procedures What is food spoilage? correct answers Food made unpalatable through injury or damage (made unacceptable) What are the changes in food characteristics? (Organeptic) correct answers Appearance: colour, gas pockets, foam Odour Taste or flavour Texture Slime formation What happened in the 18th and 19th century? correct answers Sailors often preferred to eat in the dark to avoid looking at weevils and maggots in food What causes food spoilage? correct answers Insect and rodent infestation Physical damage: bruising, freezer burn, drying, pressure Enzyme activity Chemical damage: oxidation of fat (rancidity) Microbial growth (most common) including mould yeast and bacteria