Food Science CDE Questions and Answers Already Passed
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Course
Food Science CDE
Institution
Food Science CDE
Food Science CDE Questions and
Answers Already Passed
What effect does cooking at high temperatures have on the nutritional value of vegetables?
High temperatures can cause the loss of certain nutrients, such as vitamin C, but can also
increase the availability of others, like antioxidants, ...
Food Science CDE Questions and
Answers Already Passed
What effect does cooking at high temperatures have on the nutritional value of vegetables?
✔✔ High temperatures can cause the loss of certain nutrients, such as vitamin C, but can also
increase the availability of others, like antioxidants, in some vegetables.
How do acids in food affect the texture of fruit during cooking?
✔✔ Acids help preserve the structure of fruit by preventing the breakdown of cell walls, which
helps maintain texture during cooking or canning.
What is the role of pectin in fruit preservation?
✔✔ Pectin is a natural gelling agent that helps fruit preserves set, contributing to the desired
texture in jams, jellies, and marmalades.
How does temperature control microbial growth in food?
✔✔ Lowering the temperature slows down microbial growth, while higher temperatures can kill
or inactivate microbes, ensuring food safety through methods like refrigeration and
pasteurization.
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, How do preservatives extend the shelf life of food products?
✔✔ Preservatives inhibit the growth of spoilage organisms or prevent oxidation, which helps
maintain the food's appearance, texture, and safety for a longer period.
What is the importance of food fortification?
✔✔ Food fortification adds essential nutrients to food products to improve public health, such as
adding vitamin D to milk or iron to cereal.
What is the effect of salt in curing meat?
✔✔ Salt draws out moisture from meat, inhibiting the growth of bacteria and helping preserve
the meat by creating a hostile environment for pathogens.
How does food processing affect the taste of fruits and vegetables?
✔✔ Processing, such as canning or freezing, can alter the taste by changing the texture and
sometimes diminishing the flavor, but it can also enhance sweetness or preserve freshness.
What is the role of sugar in preserving fruits?
✔✔ Sugar helps preserve fruit by drawing out moisture, creating a high-sugar environment that
prevents microbial growth, often used in jams, jellies, and syrups.
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