Back to 课程

Food And Nutrition GCSE AQA

0% Complete
0/0 Steps
  1. Food-Preparation-Skills gcse
    12 主题
  2. Macronutrients gcse
    3 主题
  3. Micronutrients gcse
    3 主题
  4. Nutritional-Needs-And-Health gcse
    5 主题
  5. Cooking-Of-Food-And-Heat-Transfer gcse
    3 主题
  6. Functional-And-Chemical-Properties-Of-Food gcse
    5 主题
  7. Food-Spoilage-And-Contamination gcse
    4 主题
  8. Principles-Of-Food-Safety gcse
    2 主题
  9. Factors-Affecting-Food-Choice gcse
    3 主题
  10. British-And-International-Cuisines gcse
    2 主题
  11. Sensory-Evaluation gcse
    2 主题
  12. Environmental-Impact-And-Sustainability-Of-Food gcse
    5 主题
课 Progress
0% Complete

Exam code:8585

Skill 12: Setting mixtures

  • Liquid mixtures can be set to a solid consistency by:

    • removal of heat

      • Some foods will set when they are chilled; this process is called gelation, e.g. custard sets when it cools

      • Foods that are set in this way will often first be thickened by the addition of starch (this is gelatinisation), before being chilled to allow gelation

    • use of protein

      • When proteins are heated the protein molecules are denatured; this can cause coagulation, e.g. egg mixtures set when cooked

Examiner Tips and Tricks

Do not get confused between gelation and gelatinisation; they are different processes:

  • Gelation sets a food upon chilling

  • Gelatinisation thickens a sauce during heating

Responses

您的邮箱地址不会被公开。 必填项已用 * 标注