Study GuideMicrobiology–Food Microbiology1.Food PreservationFood preservation includes methods used toprevent food spoilageandprotect food from harmfulmicroorganisms. These methods work in three main ways:1.Keeping microorganismsout of food2.Removingmicroorganisms already present3.Slowing or stoppingthe growth of microorganisms in foodUsing the right preservation method helps food stay safe, fresh, and nutritious for longer periods.1.1Preventing ContaminationThe first step in food preservation is preventing microorganisms from entering food in the first place.This is done by:•Sterilizing and sanitizingequipment•Maintaining cleanliness during food preparation•Sealing foodsin protective packagingMicroorganisms can also be removed by:•Filtering or sedimentingliquid foods•Washingfruits and vegetables•Trimmingcontaminated parts from meat and poultry1.2Heat PreservationHeat is one of the most effective ways to preserve food because itkills microorganisms.Preview Mode
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