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Food Processing and Technology

CBSE · Class 12 · Home Science

Complete topic list for Food Processing and Technology in CBSE Class 12 Home Science. Key concepts, sub-topics, and what to focus on for board exams.

55 questions64 flashcards5 concepts

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A flowchart illustrating the general steps involved in food processing, from raw ingredients to finished products, highlighting key transformations.
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4 Topics · CBSE Class 12 Home Science

Topics in Food Processing and Technology

1

1. Meaning and Importance of Food Processing and Technology

  • Food processing means converting raw ingredients into finished or semi-finished products by using methods and techniques.
  • Food technology uses scientific, technical, social, and legal knowledge for the production, preservation, packaging, distribution, and safety of food.
  • Food science studies the composition of food, changes during handling and storage, causes of spoilage, and the principles behind processing.
2

2. History and Development of Food Processing

  • Food preservation began in prehistoric times with methods such as sun drying, controlled fermentation, salting, pickling, candying, roasting, smoking, baking, and using spices as preservatives.
  • In 1810, Nicolas Appert developed the canning process.
  • In 1864, Louis Pasteur studied spoilage of wine and described how to avoid spoilage.
3

3. Food Spoilage and Basic Preservation Principles

  • Food deteriorates because of physical, chemical, and biological changes.
  • Spoilage may cause off-flavours, bad texture, discoloration, loss of nutrients, and unsafe food.
  • Food can be spoiled by pests, insects, unsuitable temperature, too much light, oxygen, moisture, microorganisms, chemicals, and naturally present enzymes.
4

4. Classes of Foods Based on Perishability

  • Perishable foods spoil quickly within one or two days.
  • Examples of perishable foods are milk, curds, fish, and meat.
  • Semi perishable foods can last for 1-2 weeks.

Key Concepts

Central concept: Food Processing and Technology

Food ScienceFood ProcessingFood TechnologyFood ManufacturingDevelopment of Food Processing and TechnologyImportance of Food Processing and PreservationFood SpoilageBasic Concepts to Prevent Spoilage

Frequently Asked Questions

What are the important topics in Food Processing and Technology for CBSE Class 12 Home Science?
Key topics in Food Processing and Technology include Food Processing and Technology Overview, Food Processing and Technology Overview, Food Processing and Technology Overview. These are the concepts CBSE Class 12 examiners draw on most — study them first, then practise related questions.
How to score full marks in Food Processing and Technology — CBSE Class 12 Home Science?
Understand the core concepts first, then work through the 55 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All 14 chapters — CBSE Class 12 Home Science Syllabus

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