Syllabus for B.Sc Food Technology

Academic year 2015-16

Year / Semester / Paper no / Title of the paper
1 / I / 1 / Human Nutrition and food Biochemistry
II / 2 / Food chemistry
2 / III / 3 / Food Process engineering and technology
IV / 4 / Technology of Milk &Milk products
3 / V / 5 / Food processing technology-I
(Baking science and technology)
V / 6 / Food processing technology-II
(Technology of meat, fish ,poultry & their products) ELECTIVE
6 / Food processing technology-II
(Post harvest technology of field crops) ELECTIVE
3 / VI / 7 / Food processing technology-III
(chemistry and technology of oils and fats)
VI / 8 / Food safety & quality control ELECTIVE
3 / VI / 8 / Food Additives& toxicology ELECTIVE

1 B.Sc Food Technology

I Year Semester I

Title of the paper:1 Human Nutrition and Food Bio chemistry

Unit – I(8hours)

Nutrition

·  Definition- Nutrition, health, nutrients.

·  Principle nutrients in food

·  Sources,functions and clinical problems of Carbohydrate,proteins,fat,vitamins and minerals

Unit – II(8hours)

Nutrition for different age groups

·  Infant, pre-school ,school going children, adolescent, adults, oldage, pregnancy, lactation and industrial workers

·  RDA for different age groups

·  Effects of processing on nutritive value of foods

·  Obesity and underweight, Food faddism and faulty food habits

UNIT-III (8hours)

Carbohydrate Metabolism

·  Digestion & absorption of carbohydrates.

·  Metabolism of carbohydrates-

(Glycolysis, conversion of pyruvate to acetyl CoA)

·  Citric acid cycle. H.M.P shunt pathway.

·  Glycogenolysis, Glycogenesis, Gluconeogenesis. Role of dietary fiber

UNIT- IV (8hours)

Lipid Metabolism

·  Lipids-definition

·  Digestion & Absorption of fats.

·  Oxidation of fatty acids even& odd number

·  Coronaryheartdisease, hypertriglyceridemi, hypercholesterotemias,

hyperlipidemias.

UNIT-V (8hours)

Protein Metabolism

·  Protein- definition

·  Digestion & Absorption of proteins.

·  Oxidation of amino acids Transamination

·  De-amination: Oxidative and non-oxidative de-amination

·  Glycine metabolism

·  Metabolism of ammonia from the body

PRACTICAL – 1 HUMAN NUTRITION AND FOOD BIOCHEMISTRY

·  Qualitative tests for carbohydrates

a) monosaccharides b) Disaccharides

c) non- reducing sugars d) reducing sugars

·  Qualitative tests for amino acids.

·  Qualitative tests for proteins.

·  Estimation of minerals

a) Calcium b) Phosphorous (Fiske&subbarow), c) Iron (wongs)

·  Estimation of vitamins and ascorbic acid

1 B.Sc Food Technology

I Year Semester II

Title of the paper:2 Food Chemistry

UNIT –I

Carbohydrates

·  Carbohydrates: - structure and isomerism

·  monosaccharides, disaccharides, oligosaccharides and polysaccharides

·  Reactions of carbohydrates: Hydrolysis of polysaccharides and starches, gelatinzation, caramelization and Browning

·  Functions of monosaccharides and oligosaccharides

·  Functions of Polysaccharides: Starch, Cellulose, microcrystalline-cellulose, carboxymethylcellulose,Hydroxypyopymethylcellulose

·  Pectin and Gums

(Alginates, carragean, locust bean gum, xanthan gum).

UNIT – II

Proteins

·  Proteins: Types of proteins,

·  AminoAcidsclassification

·  Chemical properties(Reactions with ninhydrin, O-phthaldialdehyde and Flurescamine)

·  Elementary idea of the structure of Proteins: Primary, secondary, Teritary and Quaternary.

·  Denaturation of protein

·  Functional Properties:

(Hydration,Solubility,Viscosity,Gelation,Doughformation,Emulsification,Flavor binding, Foaming)

·  Nutritional Properties(Protein Quqliity,Digestibility)

UNIT – III

Lipids

·  Lipids: - Fatty acids,Acylglycerols,phosholipids

·  Classification (Milk fats, vegetable butters,Lauricacids ,Oleic-Linoleic acids,Animal fats, M arine oils)

·  Physical aspects: Triacylglycerol Distribution patterns, positional Distribution of fatty acids in natural fats , Crystallization and consistency)

·  Chemical Aspects: Lipolysis,Auto oxidation,Thermal decomposition,Chemistry of frying

UNIT- IV

ENZYMES

·  Enzymes: - classification

·  Specificity, catalysis and regulations

·  Factors influencing activity:

(Temperature, pH, water activity and ionic strength/ electrolytes)

·  Endogenous enzymes: pectic enzymes, amylases, cathapsins

·  Browning reactions – Enzymatic & Non enzymatic browning

UNIT – V

Water, Vitamins and Minerals

·  Water: - Fundamental Properties

·  Structure: Ice, Water- Availability in foods: Water composition

·  Isotherms – Effect of Water Activity on Food stability (Shelf life).

·  Vitamins - Classification, Structure, Sources, Functions and Deficiencies

·  Minerals- Types, Sources, Functions, Deficiencies

·  Effect of Processing on vitamins

PRACTICAL 2 FOOD CHEMISTRY

·  Estimation of Titrable acidity in foods

·  Estimation of Moisture and total solids analysis

·  Estimation of Protein by Kjeldhal Method.

·  Estimation of Fat

·  Estimation of Ash, Acid insoluble ash and sulphated ash

·  Determination of Water activity of different food samples

·  Estimation of Browning- enzymatic and non-enzymatic

·  Visit to food analysis laboratory.

1I B.Sc Food Technology

II Year Semester III

Title of the paper: 3 Food process Engineering and Technology

Unit – I (8hours)

Units & Dimensions

·  Units & Dimensions: Definition of terms

·  System of measurements –

·  The S.I System

·  Conversion of Units

·  Dimensional Consistency –

·  Conversion of Dimensional equations –

·  Examples

Unit –II (8hours)

Material Balances and Energy Balances

·  Material Balances: basic Principles

·  Problems involved in dilution

·  Concentration

·  Dehydration

·  Blending of Food Ingredients,examples

·  Energy Balances: Basic Principles

·  Energy terms

·  Heat properties of saturated steam

·  super heated steam

·  Problems based on steam table

·  heat balances

·  Examples

UNIT – III(8hours)

·  Manufacture of hard-boiled sweets:

·  ingredients, Prevention of recrystallization and stickiness,

·  Manufacturing methods of toffee and fudge

·  Product types: Caramel, toffee and fudge: -

·  Ingredients, Structure of toffee, formulation, processing, toffee stability.

·  Cocoa beans, cocoa fruit, pulp.

·  Cocoa chocolate and related products:

·  Sequence of processes,

·  Chocolate recipes,

·  Cocoa powder, mixing, refining and conching, tempering of chocolates.

UNIT-IV(8hours)

·  Gums and Jellies: Technology and Chemistry of hydrocolloids,

·  Hydrocolloid pretreatment process,

·  Liquor preparation, shaping, drying, finishing treatment,

re-work, common faults, causes and cures.

·  Liquorices paste, cream paste and aerated confectionery,

·  Ingredients of liquorices paste and manufacture,

·  ingredients of cream paste

·  Manufacture and extrusion of cream paste.

·  Liquorices all shorts, aerated confectionery,

Methods of aeration – Marshmallow –Nougat.

UNIT –V(8hours)

·  Types of sugar: granulated, Caster, Icing, Liquid sugars, Brown Sugars,

·  Molasses, and microcrystalline sugars.

·  Composition of sugars-

·  Properties of sugar and sugar solutions –

·  Glucose syrups and refined glucose syrups in

sugar confectionery manufacture.

Practical – 3 Food Process Engineering and Technology

Preparation of –

hard-boiled sweets; toffee and fudge; Cocoa chocolate; Chocolate recipes; Gums and Jellies; Liquor preparation.

II B.Sc Food Technology

II Year Semester IV

Title of the paper: 4 Technology of Milk and Milk products

UNIT-I

Processing of Milk

·  Milk Industries in India – Role of operation flood program

·  Milk –Composition and nutritive value

·  Physical and Chemical Properties of milk

·  Processing of milk: Receiving of milk, Platform tests, Filtration and

·  Clarification, Standardization

·  Pasteurization methods– Sterilization methods,

·  Homogenization, Packaging and distribution of milk

·  Standardized milk, Single toned, Double toned milk

·  Manufacture and shelf life of Sterilized bottle milk and flavored milk

UNIT-II

Cream & Butter

·  Cream – cream separation, cream separator,

·  Methods of cream separation-

·  Factors governing richness of cream, factors governing fat percentage.

·  Butter- introduction, composition process involved, cream neutralization,

addition of starter cultures, cream ripening, churning, packing of butter

·  Packing- factors influencing churning, over-run in butter,

·  Butter defects- their causes and prevention.

UNIT- III

Cheese

·  Cheese- introduction, history, definition,

·  Classification, composition, nutritive value, legal standards.

·  Manufacturing of cheddar cheese, their defects and control

·  Manufacture of processed cheese their defects and control

·  Manufacture of Swiss cheese and their defects and control

·  Manufacture of cottage cheese, their defects and control.

UNIT – IV

Concentrated & Dehydrated Milk Products

·  Condensed milk- history, composition, and types

·  Methods of manufacture, vacuum pan condensing, and

defects in condensed milk.

·  Dried milk (Milk Powder)- history, types, composition of dried milk-

·  Methods of manufacture- drum drying, spray drying,

freeze-drying,Packaging of milk powder-

·  Properties of dry milk- bulk density, solubility, solubility index, wettability-

dispersability-

·  Defects in dried milk, Reconstitution- instant milk powder-

·  Malted milk beverages like horlicks, viva, etc.

UNIT- V

Ice Cream

·  Ice cream – history, definition, classification, composition

·  Ingredients sweethearts, stabilizers, flavours, etc-

·  Preparation of ice cream, calculation of ice cream mix,

·  Pasteurization of milk, homogenization, ageing, freezing, packaging of

ice cream-defects and over run in ice cream.

·  Indigenous milk products:

Rabri, kheer, channa, paneer, rasogolla, ghee, khoa,Kalakhand,

srikhand & lassi

·  Methods of preparation of Indigenous milk products & composition.

·  Cultured milk products: Dahi / Yoghurt – their composition,

·  Changes in constituents during fermentation and flavor development.

PRACTICAL – 4 TECHNOLOGY OF MILK AND MILK PRODUCTS

·  Determination of pH, Specific gravity in milk

·  Estimation of Fat and Total Solids (TS)

·  Estimation of Solids-Not-Fat (SNF) in milk.

·  Estimation of Protein and Casein in milk.

·  Detection of Adulterants in milk.

·  Detection of Preservatives in milk.

·  Preparation of Milk Products.

·  Quality Evaluation of Milk Products.

·  Cream Separation using Separator

·  Visit to Milk Chilling and Processing Center


III B.Sc Food Technology

III Year Semester V

Title of the paper: 5 Baking Science and Technology

UNIT-1

·  Bread types, quality assessment and formulations

·  Ingredients: wheat flour, components and functions; proteins

carbohydrates, lipids and enzymes

·  Miscellaneous flours (rye, tricale)

·  shortenings; functions, sources, types and mechanisms

·  sweeteners; functions; types

·  yeast; functions, types and factors influencing the fermentation

·  Minor ingredients; yeast foods enzymatic supplements,

oxidizing agents, salt, dairy and egg products, mold inhibitors,

dough strengtheners/ softeners and enrichment

Unit – II

·  Bread making process; straight dough - rapid processing

·  mechanical dough development

·  Mixing and dough processing; functions of mixing, mixer types

·  fermentation, dough transfer system, dough make up

·  dividing rounding and pre-moulding

·  first proving moulding panning and proving Process; developments

·  Baking process, stages, baking reactions and bread cooling

·  thermal reactions keeping properties of bread and related products

·  Bread spoilage and staling, factors and control measures

Unit – III Biscuits; biscuits, cookies and crackers

·  ingredient and their functions, wheat flour, granulation,

Shortening, sweeteners, chemical leaveners

·  Baking powder, function, composition, and reactive rates, neutralizing value

·  Preparation of biscuits dough’s mixing objectives, mixer types

·  fermentation of shaped dough pieces

·  Biscuit baking, heat transfer mechanism, changes during baking

·  Cooling, packaging and storage

Unit – IV

·  Cakes: cake varieties, ingredients and their functions

·  wheat flour, components; shortening, egg, baking powder

icing, confectionery coating, minor ingredients

·  formulations, formula balance

·  cake mixing objectives and methods

·  Batter specific gravity, temperature and PH, baking reactions

Unit – V

·  Wafers: fermentation, ingredients and their function

·  flour, water, shortening, aerating agent and minor ingredients

·  mixing, storage and depositing of wafer butter, baking, cooling

and conditioning of wafer sheets

·  Frozen dough products

·  Fat bread technology

·  Starches-sources, composition, properties, modifications

methods and applications in bakery industry

PRACTICAL 5 BAKING SCINECE & TECHNOLOGY

·  Bread baking

·  Preparation of different cakes

·  Comparison of various dough procedures

·  Preparation of cakes and quality control

·  Use of different acidulates in cake

·  preparation and evaluation of, cookies, pastry and cake icing

·  Visit to bakery industries & Biscuit industries


III B.Sc Food Technology

III Year Semester V ELECTIVE PAPER

Title of the paper: 6 Technology of Meat, Fish, Poultry, and their products

Unit – I (8hours)

Sources of meat and meat products in India

Its importance in national economy

microscopic structure of meat

Physico-chemical properties of meat

Nutritive value of meat

Unit – II (8hours)

Premortem inspection and care of animals

stunning types, slaughtering types

Slaughter house operations

dressing, anti- and postmortem changes in carcass composition

grading of meat and meat cuts

Unit – III (8hours)

·  Processing and preservation of meat:

o  canning, freezing

o  salting, Dehydration

o  Aging, pickling and smoking of meat

·  Spoilage and its control

·  Communited and non-communited meat products

·  Meat by- products

Unit – IV (8hours)

·  Poultry: Classes of poultry meat

·  Commercial methods of slaughtering, dressing

·  Post-slaughter handling, storage and preservation of poultry meat

·  Spoilage and its control

·  Freezing of poultry (whole and cuts)

·  Eggs: Composition, handling, candling washing, coating, packaging and storage

·  Egg processing (Egg powder manufacturing)

·  Spoilage and its control

Unit – V (8hours)

·  Types of fish, composition

·  structure, post-mortem changes in fish

·  Fish processing & Preservation:

o  Canning, smoking

o  freezing and dehydration of fish

·  Fish by-products

shrimp and its processing

PRACTICAL- 6 TEHNOLOGY OF MEAT, FISH, POULTRY, AND THEIR PRODUCTS

Premortem inspection

Slaughter house operations

Processing and preservation of meat

Meat by- products

Fish by-products

Visit to slaughter house.

Visit to Poultry farms

Visit to Fish/Shrimp Processing plants

III B.Sc Food Technology

III Year Semester V ELECTIVE PAPER

Title of the paper: 6 Post Harvest Technology of Field crops

Unit –I

Cereal Processing

·  Rice- chemical composition

·  Milling- ageing, processed foods of rice

·  Para boiling of paddy – principles and methods

·  Wheat composition, parboiling of wheat:

Principles- soaking, steaming, drying

·  Batch method- continuous process

·  Wheat milling- enzymes in wheat milling

·  Flour- dough preparation- utilization

·  Processing of maize for starch, syrup and poultry feed

·  A note on convenience and RTE foods

Unit – II

Pulse Processing

·  Processing of pulses - Milling, Hulling, Polishing

·  Milling of pulses- traditional commercial methods

·  Dry milling of pulses

·  Milling of pulses by CFTRI method

·  Processing of oil seeds: groundnut, soybean, sunflower

·  Processing of oil seeds: mustard and palm

Unit –III

Fruits & Vegetables: Post Harvest changes

·  Fruit & Vegetables- Composition

·  Physico-chemical properties, textural components

·  Post harvest changes in F&V – Respiration, Ripening

·  Color, textural changes, changes in fats & organic acids

·  Commercial canning – canning of fruits & vegetables

·  Spoilage in canned foods

Unit – IV

Fruit & Vegetable Processing

·  Fruit juices- Squashes and cordials- Preparation

·  Principles of preservation of fruits & vegetables

·  Preservation by straining, filtration, clarification