Food preservation () is the fundamental process of treating and handling food to stop or greatly slow down spoilage, ensuring safety and quality over time . Since the dawn of civilization, humans have sought ways to store surplus harvests to survive lean seasons, leading to the development of methods that range from ancient sun-drying to modern high-tech sterilization. The Core Objectives of Preservation
Instead of killing all microbes, fermentation encourages "good" bacteria (like Lactobacillus) to produce acid or alcohol, which acts as a natural preservative. Examples include sauerkraut, yogurt, and sourdough. Г©lelmiszer tartГіsГtГЎs
A heat treatment used primarily for liquids (like milk and juice) to kill pathogens while maintaining flavor. Food preservation () is the fundamental process of
Historically, preservation relied on physical changes and natural additives: Examples include sauerkraut, yogurt, and sourdough
Developed in the 19th century, this involves sealing food in airtight containers and heating them to destroy spoilage organisms.
With the industrial revolution came methods that allowed for longer shelf lives and easier transport: