RAS PRE DAIRY PROCESSING & TECHNOLOGY SYALLBUS

Dairy Processing & Technology (Code No. 11)
Current status of dairy animals and milk production; utilization and
consumption in India and Rajasthan. Milk plants and milk product factories in India and
Rajasthan. Set up of State Cooperative Dairy Federations and their functions. Amul
pattern of Cooperative dairying. Agencies engaged in dairy development like; NDDB,
NCDFI, IDA and Educational & Research Institutions. Problems of milk supplies in
cities. Recent development in Dairy and food industry.
Functions of Food in the Body, Food digestion, absorption and assimilation.
Nutrient requirements, Composition of milk and fractions of major milk Constituents.
Important properties of milk fat, milk proteins, lactose enzymes, vitamins and minerals.
Chemical changes in milk during storage. Milk intolerance, anti-nutritional factors, food
contaminants & toxic trace elements. Principles of cleaning & sanitization of dairy
equipments and utensils. Contamination of milk and diseases transmitted through milk,
Types of microorganisms in milk, spoilage of milk. Tests used to assess the microbial
quality of milk and microbial standards. Market milk and its processing, packaging &
marketing.
Composition, defects, standards and important manufacturing steps of cream
of different grades, Butter, ice-cream, concentrated and dried milks, cheese and
indigenous milk products. Properties of fluid milk & foods, powders and thermal
properties of frozen foods. Food dehydration, Freeze dehydration. Packaging material,
their characteristic & evaluation, packaging forms & labelling. Membrane processing.
Properties and materials, used in dairy machinery equipment design. Chemical
properties of fuels & calorific value. Properties of steam, steam generators, operation and
maintenance of boilers, Air Compressors.
Refrigeration, its principle, importance, properties of refrigerants, direct and
brine circulation systems. Engineering properties of food materials, system analysis and
energy balance. Constructional & Operational features of fluid milk handling equipment,
heat exchangers, cream separators and triprocessors, homogenizers, sterilizers and
evaporators & dryers, pasteurizers, washers, packaging equipment, membrane process
equipment., Freezing & CIP equipment.