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Heat encorages the growth of bacteria , which in turn causes decomposition , and spoilage. Also, aromas are carried more on warmer air which rises from the floor or ground up.
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Foods can be kept at lower temperatures for long periods of time with out spoiling when foods are cooled to the solid state what example is this of?
freezing
When did Frozen foods become available?
Frozen foods became available commercially beginning in 1930
Factors that affecting chemical reaction in food preservation?
A food will become rancid if it is placed in high temperatures or sits out for too long. A substance can also become rancid if there is high humidity in the area.
What could you do to ensure that the bacteria present in foods do not pose a health hazard?
To ensure that the bacteria present in foods do not pose a health hazard you should cook them. You should cook meats to temperatures well above 150 degrees Fahrenheit.
Does bacteria grow quickly with potential hazardous foods with water activity .85 or higher?
Yes
How can temperature be helpful for food?
Cooler temperatures help preserve foods, higher temperatures kill the bacteria and prepare the foods so they can be eaten.
What foods grow in cold temperatures?
sage does
What type of vegetable should a gastric patient eat?
Foods to avoid... gaseous foods-dark leafy green veggies, beer, carbonated liquids, dairy, corn odorous foods-fish, eggs, asparagus, garlic, beans, and dark leafy green veggies
Why do some foods melt?
Fats that are solid at room temperature will become liquid when heated to a high enough temperature. Foods where the main solid component holding them together is fat, like butter or chocolate, will become liquid when the fats do. Sugar can also melt at very high temperatures, for example when heated on a stove.
Foods can be kept at lower temperatures for long periods of time with out spoiling when foods are cooled to the solid state what example is this of?
freezing
What is the significant of pH in foods?
Low pH foods tend to taste sour. High pH foods taste bitter. Low pH foods can be canned using either boiling water baths or pressure canning. Sufficient acidity (low pH) can prevent botulism spores from germinating. High pH foods require pressure canning (which reaches higher temperatures) in order to kill any botulism spores.
How do foods become biodegradable?
Foods do not become biodegradable. Foods like fruits and many vegetables are usually considered biodegradable because they can be consumed.
Why are most foods stored in fridges or freezers?
bacteria grow slower in cold temperatures
What foods can give you a higher chance of getting cancer?
Microwaved foods & sun beds
When to use convention heat cooking?
Conventional ovens use fans to circulate air or radiation from oven walls to allow more heat to be transferred around the food. These should be used for foods with longer cooking times at higher temperatures.
What temperature kills the most bacteria?
High temperatures kill the most bacteria. These temperatures should be at least 160 degrees Fahrenheit in foods like many meats.
How does processing affect the nutriental value in foods?
During processing, natural nutrients are lost due to the temperatures.
