Cooked or uncooked food can be preserved in different ways to be used later. Preservation of food is the process by which food is stored by special methods. Food preservation involves preventing the food from being spoilt. Preserving food can help to avoid wasting of food. (Source: i2-prod.mirror) Food Preservationįood is valuable. Observation: Presence of greenish patch growing on the bread.Make it moist and keep it in a warm corner of the room for 3-4 days. Observe it after 3-4 days. Signs of food spoilage include an appearance different from the fresh food, such as a change in color, a change in texture, an unpleasant odor or taste. Temperature is one of the major factors which is responsible for food spoilage. They are found in damp and warm places and grow on the dead and rotting matter.įungi (Source: sciencedaily) 4. They are single-celled microorganisms that cause disease like food poisoning etc. They help to convert milk into curd.īacteria growth (Source: femininetouchblog) 2. They are the most abundant microorganisms found on the earth.

There are various factors which are responsible for food spoilage such as bacteria, mould, yeast, moisture, light, temperature, and chemical reaction. When they sit on our food, they pass on these germs to our food. The food and water may be infected by germs. Spoilage is a process in which food items deteriorate to the point in which it is not edible to human. Once the food is spoiled, it cannot be eaten and has to be thrown away. When food items kept for a long time gets spoil as germs start growing on it. If food items are kept for a long period of time and not stored properly, they get spoil such food items are bad for health.

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