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Course outline |
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18 February - 24 February |
Expected learning outcome |
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1.1.Introduction to Canning |
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1.2.Definition of canning |
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1.3.Steps involved in canning |
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1.4.Advantages of canning |
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Animation - Canning |
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25 February - 3 March |
Expected learning outcome |
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2.1.Historical developments in canning technology |
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2.2.Landmarks in the development of can manufacture |
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2.3.Progress in thermal processing |
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2.4.Developments in fish canning industry |
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4 March - 10 March |
Expected learning outcome |
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3.1.What is unit operation? |
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Tin Can Making |
Tin can making |
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Canning Operation |
Canning operation |
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Canning of mackerel-Animation |
UNIT 3 - Unit operations in canning |
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3.1.1.Raw materials and other ingredients for canning |
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3.1.2.Desirable characteristics of marine products for canning |
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3.1.3.Portions of fish used for canning |
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3.1.4.Ingredients for canning |
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3.1.4.1.Salt |
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3.1.4.2.Vegetable oils |
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3.1.4.3.Other ingredients |
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3.2.1.1.Preparation of raw material for canning |
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3.2.1.2.Washing |
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3.2.1.3.Dressing |
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3.2.1.4.Brining |
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3.2.1.5.Precooking |
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3.2.2.1.Filling of cans |
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3.2.2.2.Methods of filling |
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3.2.2.3.Precautions to be taken during filling |
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3.2.2.4.Problems caused by over filling of cans |
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3.2.2.4.1.Head space in cans |
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3.2.2.4.1.1.Importance of maintaining the desired head space |
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3.2.3.1.Exhausting of filled cans |
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3.2.3.2.Definition for Exhausting |
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3.2.3.3.Vacuum inside the can and its measurement |
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3.2.3.4.Methods available for measurement of can vacuum |
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3.2.3.5.Air inside food cans |
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3.2.3.6.Purpose (or objectives) of exhausting |
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3.2.3.7.Methods of Exhausting |
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3.2.3.7.1. Heat /thermal exhausting |
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3.2.3.7.2. Mechanical Exhausting |
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3.2.3.7.2.1.Advantages |
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3.2.3.7.1.2.Disadvantages |
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3.2.3.7.3. Steam injection method of exhausting |
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3.2.3.7.3.1.Advantages of steam injection method |
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3.2.3.7.3.2.Ideal vacuum inside the can |
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3.2.4.Can closing or seaming of cans |
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3.2.4.1.Purpose of can closing /seaming |
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3.2.4.2.Double seamers |
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3.2.4.2.1.Inner construction/structure of completed a double seam |
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3.2.4.2.2.Seam dimensions |
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3.2.4.2.3.Factors affecting quality of double seam |
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3.2.4.2.4.Testing of quality of a double seam |
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3.2.4.2.5.Steps involved in Examination of double seam |
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3.2.4.3.Other seam testing methods |
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3.2.4.4.Seam defects |
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3.2.5. Heat processing or retorting of cans |
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3.2.5.1.Horizontal and Vertical retorting |
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3.2.5.2.Precautions to be taken during heat processing |
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3.2.5.3.Important objectives of retorting |
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3.2.5.4.Factors which influence thermal process for cans |
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3.2.5.5.Continuous type retorts |
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3.2.5.5.1.Important advantages of continuous retorts/ sterilizers |
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3.2.5.5.1.1.Hydrostatic sterilizer |
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3.2.6.Can cooling, labelling and storage |
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3.2.6.1.Defects arising due to improper cooling |
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3.2.6.2.Mediums used for can cooling and the limits |
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3.2.6.3.Methods of Cooling |
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3.2.6.4.Quality of water in can cooling |
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3.2.6.5.Labelling |
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3.2.6.6.Storage of cans |
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Can making machineries |
UNIT 3 - Unit operations in canning
Can making machineries
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11 March - 17 March |
Expected learning outcome |
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4.1.Thermal Processing |
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4.2.Classification of acidity foods |
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4.3.Severity of thermal process |
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4.3.1.Pasteurization |
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4.3.2.Sterilization |
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4.4.Relationship between acidity and severity of the process |
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4.5.Heat Resistance of Microorganisms |
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4.5.1.Measures of Heat resistance of Microorganisms |
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4.5.2.Decimal reduction time |
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4.5.3.Decimal reduction times (D values) of bacteria |
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4.6.Time temperature relationship in bacterial destruction and “thermal death time” of bacteria |
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4.6.1.Thermal Death Time (TDT) |
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4.6.2.Thermal Death Time (TDT) curve on a semilog paper |
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4.6.2.1.F. value of the organism |
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4.6.2.2.F0 Value |
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4.7.Heat penetration in canned foods |
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4.7.1.Cold spot |
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4.7.2.Typical heating and cooling curves of convection and conduction heating foods at the cold spot |
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4.7.3.Equipments for the determination of heat penetration |
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4.7.4.Method of determining heat penetration in the can |
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4.8.General method of process calculation |
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4.8.1.Calculation of Fo value |
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4.8.2.Lethality of heat during heating and cooling |
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4.8.3.Calculation of Fo Value |
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4.9.High Temperature Short Time (HTST) Processing |
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4.9.1.Two methods of applying HTST technique |
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4.10.Aseptic Packaging |
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4.10.1.Product sterilization |
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4.10.1.1. Indirect heat exchangers |
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4.10.1.2.Direct heat exchangers |
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4.10.2.Sterilization of the packaging |
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4.10.3.Maintaining sterile conditions during plant operation |
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18 March - 24 March |
Expected learning outcome |
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5.1.Changes in canned foods and spoilage |
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5.1.1.Changes taking place during processing |
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5.1.1.1.Desirable changes |
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5.1.1.2.Undesirable changes |
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5.1.2.Changes during storage of processed cans |
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5.2.Spoilage in canned foods |
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5.2.1.Bulged (swollen) cans |
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5.2.1.1. Flipper |
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5.2.1.2. Springer |
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5.2.1.3. Soft swell |
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5.2.1.4. Hard swell |
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5.2.2.Causes of spoilage in canned foods |
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5.2.2.1.Physical causes |
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5.2.2.2.Chemical causes |
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5.2.2.3. Microbial causes |
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5.2.2.3.1.Under-processing |
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5.2.2.3.2.Post-processing spoilage |
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5.2.2.4.Other causes of spoilage |
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5.2.2.5.Problems (spoilages) in canned marine products |
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5.2.2.5.1. Sulphide blackening or iron sulphide blackening |
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5.2.2.5.2. Curd or adhesion |
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5.2.2.5.3. Blue discolouration |
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5.2.2.5.4. Honey combing |
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5.2.2.5.5. Struvite formation |
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5.2.2.5.6. Retort burn |
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5.2.2.5.7. Case hardening |
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25 March - 31 March |
Expected learning outcome |
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6.1.Canning of commercially important fishes |
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6.1.1.General principles and methods followed in canning |
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6.1.2.Fish canning |
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6.2.Canning of individual category to fish |
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6.2.1.Salmon and Salmon like fishes |
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6.2.1.1.Specific problems encountered in salmon canning |
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6.2.2.Tuna and tuna like fish |
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6.2.2.1.Classification of tuna meat based on colour |
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6.2.2.2.Changes taking place by precooking and cooling |
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6.2.2.3.Various styles of packing of tuna meat in cans |
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6.2.3.Canning of sardine and sardine like fish |
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6.2.3.1.Canning of Shrimp |
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6.2.3.2.Canning of Crab |
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6.2.4.Canning of Molluscs |
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6.2.5.Canning of Cephalopods |
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Canning of mackerel-video |
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Canning of shrimps in brine |
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1 April - 7 April |
Expected learning outcome |
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7.1.Introduction to Packaging |
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7.2.Early Packaging |
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7.3.Functions of Packaging |
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7.3.1.Protection and preservation |
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7.4.Presentation of the product |
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7.4.1.Labeling |
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7.4.1.1.Name of Food |
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7.4.1.2.Minimum durability |
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7.4.1.3.Quantity |
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7.4.1.4.Ingredients list |
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7.4.1.5.Name and address of manufacturer |
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7.4.1.6.Country of origin |
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7.4.1.7.Character size |
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7.4.1.8.Bar coding |
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7.5.Levels of Packaging |
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7.6.Packaging Materials |
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8 April - 14 April |
Expected learning outcome |
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8.1.Metal Containers |
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8.1.1.Advantages of metal containers |
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8.1.2.Base plates and Tin plates |
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8.1.3.Electrolytic chromium coated steel (ECCS) |
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8.1.4.Advantages and disadvantages of ECCS over tin plate |
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8.1.5.Aluminium |
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8.1.5.1.Advantages of Aluminium as a food can |
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8.1.5.2.Disadvantages |
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8.1.6.Lacquers used in cans |
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8.1.6.1.Three piece cans |
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8.1.6.2.Two piece cans |
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8.1.6.3.DRD Cans |
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15 April - 21 April |
Expected learning outcome |
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9.1.Plastics for packaging |
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9.2.1.Low Density Poly Ethylene (LDPE) |
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9.2.1.1.Limitations of LDPE |
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9.2.2. Ethylene vinyl acetate |
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9.2.3.Linear Low density polyethylene (LLDPE) |
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9.2.4. High density Polyethylene (HDPE) |
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9.2.5.Ethylene propylene copolymers |
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9.2.6.Polypropylene (PP) |
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9.3. Vinyl Plastics |
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9.3.1.Polyvinyl chloride (PVC) |
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9.3.2.Polyvinylidene chloride (PVDC) |
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9.3.3.Ethylene Vinyl alcohol Copolymer (EVOH) |
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9.3.4.Polystyrene |
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9.3.5.Expanded polystyrene (EPS) |
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9.3.6.Polyester or Polyethylene terephthatate (PET) |
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9.3.7.Polyamides or Nylons |
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9.3.7.1.Important properties of Nylon |
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9.3.8.Regenerated cellulose film |
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9.3.9.Each film designated using codes |
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22 April - 28 April |
Expected learning outcome |
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10.1.Manufacture of plastic packages |
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10.1.1.Making of containers and bottles from plastics |
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10.1.1.1.Extrusion |
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10.1.1.1.1.Extruding the sheet |
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10.1.1.1.2.Co-extruding the sheet |
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10.1.1.2.Thermoforming |
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10.1.1.3.Injection Moulding |
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10.1.1.4.Blow moulding |
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10.1.2.Flexible packaging from plastics |
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10.1.2.1.Film blowing |
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10.1.2.2.Solvent casting |
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10.1.2.3.Calendaring |
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10.1.2.4.Coating of plastics |
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10.1.2.5.Vacuum metalizing |
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10.1.2.6.Dispersion and lacquer coating |
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10.1.2.7.Extrusion coating |
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10.1.2.8.Lamination |
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10.1.2.8.1.Extrusion laminating |
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10.1.2.9.Co-extrusion |
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29 April - 5 May |
Expected learning outcome |
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11.1.Heat sealing |
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11.1.1.1. Hot plate/hot bar/continuously heated hot jaw sealing |
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11.1.1.2.Hot wire sealing |
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11.1.1.3.Impulse sealing |
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11.1.1.4.High frequency heat sealing |
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11.1.2.Type of heat seals |
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11.1.3.Criteria for proper heat sealing and to produce a reliable seal |
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11.1.4.Crimping in heat seals |
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11.1.5.Cold Seal |
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6 May - 12 May |
Expected learning outcome |
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12.1.Additives in Plastics |
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12.1.1.Anti block agents |
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12.1.2.Antioxidants |
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12.1.3.Anti-static additives |
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12.1.4.Brightness |
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12.1.5.Colourants |
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12.1.6.Fillers |
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12.1.7.Flame retardants |
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12.1.8.Foaming agents |
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12.1.9.Heat stabilizers |
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12.1.10.Plasticizers |
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12.1.11.Slip additives |
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12.1.12.U.V. Scrumming agent |
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12.1.13.U.V. Stabilizers |
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12.1.14.Compounding |
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13 May - 19 May |
Expected learning outcome |
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13.1.Paper and Board |
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13.1.1.History of paper |
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13.1.2.Raw materials for paper and board |
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13.1.3.Methods of producing wood pulp |
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13.1.4.Coatings used in paper and carton boards |
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13.1.5.Boards for food packaging |
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13.1.5.1.Carton board and carton making |
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13.1.5.1.1.Definition of carton |
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13.1.5.1.2.Carton making |
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13.1.5.1.2.1.Creasing and cutting operation on cartons |
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13.1.5.1.2.2.Creasing conditions |
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13.1.5.1.3.Types of cartons |
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13.1.5.1.3.1.Tray type construction |
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13.1.5.1.3.2.Tube style |
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13.1.5.2.Corrugated Fibre Board Boxes |
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13.1.5.2.1.Wall boards |
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13.1.5.2.2.Type of papers used as liners |
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13.1.5.2.3.Types of flutes |
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13.1.5.2.3.1.Mechanical strength characteristics of flute types |
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13.1.5.2.4.Principle operations in board and box making |
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13.1.5.2.3.Strength of the corrugated fibreboard box |
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13.1.5.2.4.Selection criteria of corrugated fibre board containers |
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13.1.5.2.5.Selection of style and shape |
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13.1.5.2.6.Advantages of corrugated fibre board containers |
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13.1.5.2.7.Disadvantages |
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20 May - 26 May |
Expected learning outcome |
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14.1.Glass containers |
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14.1.1.Definition of Glass |
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14.1.2.Chemical composition of Glass |
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14.1.3.Raw materials for the manufacture of glass |
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14.1.4.Colouring compounds |
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14.1.5.Manufacture of glass |
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14.1.6.Flaws or defects |
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14.1.7.Container types made out of glass |
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14.1.8.Physical properties of Glass Bottles |
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14.1.9.Advantages of using glass in food packaging |
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14.1.10.Disadvantages |
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14.1.11.Closures for Glass Containers |
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14.1.12.Functions of closures |
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14.1.13.1.Screw cap |
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14.1.13.2.Roll-on closures |
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14.1.13.3.Lug cap |
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14.1.13.3.1.Main advantages of lug cap |
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14.1.13.4.Crown cap or crown cork |
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14.1.13.5.Snap-on-cap |
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14.1.13.6.Centre pressure caps |
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14.1.13.7.Crimp on type |
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14.1.13.8.Bottle closing operation |
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14.1.13.9.Factors to be considered while designing a closure |
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27 May - 2 June |
1. Canning Machineries and Equipments |
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2. Retorts and its operation |
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3. Examination of can double seam |
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4. Study of the relationship between can closing temperature and resultant vacuum |
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5. Study of relationship between head space and resultant vacuum |
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6. Cut-out tests for Canned Fishery products |
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7. Study of heat penetration in canned fish |
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8. Canning of Mackerel in natural style (Salmon style) |
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9. Canning of oil sardine in oil / brine |
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10. Canning of Seer fish in oil / tomato sauce |
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11. Canning of shrimps (dry pack) |
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12. Canning of shrimps in brine (wet pack) |
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13. Canning of clams in brine / oil |
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14. Canning of green mussel in Masala / oil / brine |
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15. Canning of crab meat |
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16. Canning of fish in curry |
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17. Canning of Indian mackerel in brine or oil |
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18. Canning of Mackerel in tomato sauce |
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19. Canning of fried sardines in tomato sauce and oil |
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20. Canning of pomfrets in oil / tomato sauce |
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21. Canning of mrigala (Indian major carps) fillets |
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3 June - 9 June |
References |
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