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What is responsible for the deterioration of food?

What is responsible for the deterioration of food?

Various factors cause food spoilage, making items unsuitable for consumption. Light, oxygen, heat, humidity, temperature and spoilage bacteria can all affect both safety and quality of perishable foods. When subject to these factors, foods will gradually deteriorate.

What is the deterioration factor of food spoilage?

The major causes of food deterioration include the following: (1) growth and activities of microorganisms, principally bacteria, yeasts, and molds; (2) activities of natural food enzymes; (3) insects, parasites, and rodents; (4) temperature, both heat and cold; (5) moisture and dryness; (6) air, and more particularly …

How does deterioration and spoilage take place in food?

Food spoilage results when microbiological, chemical, or physical changes occur, rendering the food product unacceptable to the consumer. Chemical food spoilage occurs when different components in the food react with each other or with some added component which alter the food’s sensory characteristics.

What is an example of food spoilage?

Food spoilage occurs when there’s a disagreeable change in the normal state of the food. This may be a change to the smell, taste, touch or sight of the food. Spoilage is usually caused by bacteria, moulds or yeasts. A typical example of spoilage is green fuzzy patches appearing on a piece of bread.

What are the signs of spoilage in food?

Signs of food spoilage may include an appearance different from the food in its fresh form, such as a change in color, a change in texture, an unpleasant odour, or an undesirable taste. The item may become softer than normal. If mold occurs, it is often visible externally on the item.

What are the 4 signs of food spoilage?

Signs of food spoilage may include an appearance different from the food in its fresh form, such as a change in color, a change in texture, an unpleasant odour, or an undesirable taste. The item may become softer than normal.

What are the factors that cause food spoilage?

Factors that affect food spoilage include: Microorganisms Enzymes Air Light Insects, Rodents, Parasites and Other Creatures Physical Damage Temperature Time

What causes the deterioration and decay of food?

Fig 14.1 Signs of deterioration of food. Well done, let’s continue. These gradual changes that cause deterioration and decay in foods are due to certain organisms and chemicals present in the food and outside the food. Let’s now look at the causes of food spoilage. Food spoilage is caused by two main factors, namely;

Which is responsible for the contamination of food?

The main micro-organisms responsible for the contamination of food are bacteria, moulds and yeasts. These micro-organisms are invisible to the naked eye, but can be seen under a microscope. They are capable of multiplying very rapidly in the correct moisture, food and temperature conditions.

What causes food to spoil in the refrigerator?

Food spoilage and deterioration is no accident. It is a naturally occurring process. To understand how to maintain the quality of food and prevent spoilage, we need to know what can cause it. Factors that affect food spoilage include: Many types of microorganisms can cause food problems.

Which is the most common cause of food spoilage?

When they sit on our food, they pass on these germs to our food. There are various factors which are responsible for food spoilage such as bacteria, mould, yeast, moisture, light, temperature, and chemical reaction. 1. Bacteria They are the most abundant microorganisms found on the earth. They are tiny in size and vary in shape.

What are the major causes of food deterioration?

Major causes of food deterioration include the following: 1 growth and activities of micro-organisms, principally bacteria, yeasts and moulds; 2 activities of natural food enzymes; 3 insects, parasites and rodents; 4 temperature, both heat and cold; 5 moisture and dryness; 6 air and in particular oxygen; 7 light; 8 time.

Food spoilage and deterioration is no accident. It is a naturally occurring process. To understand how to maintain the quality of food and prevent spoilage, we need to know what can cause it. Factors that affect food spoilage include: Many types of microorganisms can cause food problems.

What happens to your food when you spoil it?

Pathogenic microorganisms may grow in foods without any noticeable change in odor, appearance or taste. Spoilage microorganisms, including some kinds of bacteria, yeasts and molds, can grow well at temperatures as low as 40°F. When spoilage microorganisms are present, the food usually looks and/or smells awful.