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Food Processing and Technology

CBSE · Class 12 · Home Science

Quick revision notes for Food Processing and Technology — CBSE Class 12 Home Science. Key concepts, formulas, and definitions for last-minute revision.

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Key Topics to Revise

1

Basic Concepts and Definitions

  • Food Science applies basic sciences (chemistry, physics, biology) to study food composition, changes during processing, and spoilage causes
  • Food Processing transforms raw ingredients into finished/semi-finished products using scientific methods
  • Food Technology exploits Food Science knowledge to produce varied, safe, nutritious foods
2

Food Spoilage and Preservation Principles

  • Food spoilage occurs due to microorganisms (bacteria, fungi, yeasts, moulds), enzymes, and environmental factors
  • Bacteria grow in the 'Danger Zone' temperature range of 5-60°C and prefer protein-rich foods
  • Five basic preservation principles: heat application, moisture removal, temperature lowering, pH reduction, oxygen control
3

Classification of Processed Foods

  • Minimally processed: retain fresh food quality (cleaning, cutting, refrigeration)
  • Preserved foods: basic preservation without character change (frozen, dehydrated, canned)
  • Manufactured foods: original characteristics lost, basic preservation used (pickles, jams)
4

Career Opportunities and Skills Required

  • Food industry ranks 5th globally, contributes 6% to India's GDP and 13% to exports
  • Career paths include production management, R&D, quality assurance, marketing, teaching
  • Required skills span food science, chemistry, microbiology, processing, safety, nutrition

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Full Notes

Key Concepts

Application of basic sciences (chemistrySet of methods and techniques usedApplication of scientific and socioFood spoilage occurs due to microorganismsFoods are classified into minimally processed

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?
Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision 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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