GCSE Food Preparation and Nutrition WJEC

This subject is broken down into 74 topics in 7 modules:

  1. Food Commodities 6 topics
  2. Principles of Nutrition 10 topics
  3. Diet and Good Health 13 topics
  4. The Science of Food 10 topics
  5. Food Spoilage 9 topics
  6. Where Food Comes From 12 topics
  7. Cooking and Food Prepraration 14 topics
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  • 7
    modules
  • 74
    topics
  • 27,231
    words of revision content
  • 3+
    hours of audio lessons

This page was last modified on 28 September 2024.

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Food Preparation and Nutrition

Food Commodities

Bread, Cereals, Flour, Oats, Rice, Potatoes, Pasta

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Bread, Cereals, Flour, Oats, Rice, Potatoes, Pasta

Breads and Cereals

  • Breads and cereals are made from grains. They are important sources of carbohydrates, which are the body’s main source of energy.
  • They also provide vitamins, especially B-vitamins, minerals such as iron and magnesium, and dietary fibre.
  • Some examples of whole grain breads and cereals include wholemeal flour, brown rice, and oatmeal. These contain the cereal germ and bran as well as the endosperm, which makes them higher in fibre and nutrients compared to their refined counterparts.

Flour

  • Flour is a finely ground substance made from cereal grains or other starchy foods. It is mainly used in baking and is a key ingredient in many staple foods like bread, pasta and pastries.
  • Its main nutritional content is carbohydrates, but it also contains moderate amounts of protein, and small amounts of minerals and vitamins.

Oats

  • Oats are a type of cereal grain that are often rolled or crushed into oatmeal or used to make oat milk.
  • Not only are they a good source of carbohydrates and dietary fibre, but oats are also high in vitamins and minerals such as manganese, phosphorus, copper, iron, selenium, magnesium, and zinc.
  • They are often included in a healthy diet for their heart-healthy benefits, as they can lower cholesterol levels due to their beta-glucan content.

Rice

  • Rice is a major cereal grain and a staple food for more than half of the world's population.
  • There are many types of rice, including white, brown, basmati, jasmine, and wild rice. Each type varies in its nutritional content, with brown rice being one of the most nutritious due to its whole grain status.
  • Rice is high in carbohydrates, but also provides a minor amount of protein, fat, vitamins and minerals.

Potatoes

  • Potatoes are a starchy vegetable, rich in vitamin C, potassium, and vitamin B6.
  • Although they're not a cereal grain, they serve as a staple food in many countries due to their high carbohydrate content.
  • Preparing and serving potatoes with their skins on can maximise their nutritional content, particularly their fibre levels.

Pasta

  • Pasta is made from durum wheat semolina or flour, water and sometimes eggs.
  • It serves as a great source of carbohydrates, and also provides a little protein.
  • Whole grain or wholemeal pasta contains more fibre and nutrients than their refined counterparts, similar to the bread and cereals category.

Course material for Food Preparation and Nutrition, module Food Commodities, topic Bread, Cereals, Flour, Oats, Rice, Potatoes, Pasta

Food Preparation and Nutrition

The Science of Food

Reasons Why Particular Results may not Always be Achieved

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Reasons Why Particular Results may not Always be Achieved

Factors Affecting Food Preparation Outcomes

Ingredient Variability

  • Quality and freshness of ingredients can lead to different end results. For instance, over-ripe fruits will behave differently than fresh ones in baking.
  • Size and shape of ingredients can also affect cooking times and final product. For example, thinly sliced vegetables will cook faster than larger chunks.
  • The type of flour used can significantly affect the texture and rise of baked goods. All-purpose, self-raising, and bread flours all behave differently.

Technique and Skill Level

  • Inaccurate measurements can cause recipes to fail. Precisely measuring ingredients is crucial for a predictable result.
  • Timing is also key. Overcooked or undercooked food can turn a successful dish into a failure.
  • The method of mixing ingredients can impact the final product. Over-mixing dough, for example, can lead to tough, chewy bread.
  • The technique or skill level of the person preparing the food can influence the outcome significantly. Complex techniques require practice to perfect.

Equipment and Environment

  • Oven temperature inconsistencies can affect cooking times and results. An oven that runs hot or cold will require adjustments to cooking times.
  • The type of cookware, such as non-stick, stainless steel, or cast iron, can impact cooking times and how food browns.
  • The altitude at which you're cooking can affect baking times and temperatures, particularly for delicate items like soufflés.

Biological Factors

  • Natural variability in yeast and bacteria can affect the rise of doughs and fermentation processes in food preparation.
  • The enzyme activity in certain foods, such as fruits and vegetables, can change their texture and taste during cooking.

Expectational Variability

  • An individual's personal preference regarding the taste, texture, and appearance of food can influence what they consider to be a successful result.
  • Different cultural expectations can also affect what is considered a good outcome in food preparation. What is considered perfectly spiced in one culture may be seen as too mild or too spicy in another.

Course material for Food Preparation and Nutrition, module The Science of Food, topic Reasons Why Particular Results may not Always be Achieved

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