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Edible oil processing

Author: Wolf Hamm; R J Hamilton; Gijs Calliauw
Publisher: Hoboken : John Wiley & Sons Inc., 2013.
Edition/Format:   eBook : Document : English : Second editionView all editions and formats
Summary:

Oils and fats are almost ubiquitous in food processing, whether naturally occurring in foods or added as ingredients that bring functional benefits.

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Genre/Form: Electronic books
Libros electronicos
Additional Physical Format: Print version:
Edible oil processing.
Hoboken : John Wiley & Sons Inc., 2013
(DLC) 2013011464
Material Type: Document, Internet resource
Document Type: Internet Resource, Computer File
All Authors / Contributors: Wolf Hamm; R J Hamilton; Gijs Calliauw
ISBN: 9781118541784 1118541782 9781118535189 1118535189 9781118535196 1118535197 9781118535202 1118535200
OCLC Number: 843026099
Notes: Includes index.
Description: 1 online resource
Contents: List of Contributors xiii List of Abbreviations xv Introduction xvii 1 Composition and Properties of Edible Oils 1 Frank D. Gunstone 1.1 Introduction 1 1.2 Components of natural fats 3 1.2.1 Fatty acids and glycerol esters 4 1.2.2 Phospholipids 7 1.2.3 Sterols 7 1.2.4 Tocols and other phenolic compounds 9 1.2.5 Chlorophyll 12 1.2.6 Hydrocarbons 13 1.2.6.1 Alkanes 13 1.2.6.2 Squalene 13 1.2.6.3 Carotenes 14 1.2.6.4 Polycyclic aromatic hydrocarbons 15 1.2.6.5 Contaminants and specifications 16 1.3 Fatty acid composition 16 1.4 Physical properties 19 1.4.1 Polymorphism, crystal structure and melting point 19 1.4.2 Density 21 1.4.3 Viscosity 22 1.4.4 Refractive index 22 1.4.5 Solubility of gases in oils 22 1.4.6 Other physical properties 24 1.5 Chemical properties 25 1.5.1 Hydrogenation 25 1.5.2 Oxidation 25 1.5.3 Autoxidation 26 1.5.4 Photooxidation 27 1.5.5 Decomposition of hydroperoxides to short-chain compounds 28 1.5.6 Antioxidants 28 1.5.6.1 Primary antioxidants 28 1.5.6.2 Secondary antioxidants 29 1.5.7 Stereomutation 31 1.5.8 Double-bond migration and cyclisation 31 1.5.9 Hydrolysis 31 1.5.10 Ester formation 32 1.5.11 Methanolysis 32 1.5.12 Glycerolysis 32 1.5.13 Interesterification 33 1.6 Effect of processing on food oil components 33 References 34 2 Bulk Movement of Edible Oils 41 Wolf Hamm 2.1 Oil production and exports 41 2.2 Cargo damage 45 2.3 Quality of oils shipped 47 2.3.1 Palm oil 47 2.3.2 Soybean oil and other seed oils 47 2.3.3 Shipment of oils intended for production of FAMEs 48 2.4 Codex Alimentarius 48 2.5 Oil shipments: systems and regulations 49 2.5.1 The parcel tanker 49 2.5.2 Parcel tanker categories: IMO classification 50 2.5.3 Trade regulation: the role of the FOSFA and NIOP 50 2.6 Shore storage 52 2.7 Movement and storage costs 53 2.8 Refinery location 53 Acknowledgement 53 References 54 3 Production of Oils 55 Philippe van Doosselaere 3.1 Introduction 55 3.2 Seed handling and storage 56 3.2.1 Seed arrival 56 3.2.1.1 Seed weighing 56 3.2.1.2 Sampling 57 3.2.2 Seed reception and precleaning 57 3.2.3 Storage 58 3.3 Preparation of oilseeds 60 3.3.1 Reason for and purpose of preparation 60 3.3.2 Milling defect 61 3.4 Preparation of soybean 61 3.4.1 Cleaning and weighing 62 3.4.2 Cracking 64 3.4.3 Cooking conditioning 65 3.4.4 Flaking 65 3.4.5 Expander 66 3.4.6 Soybean dehulling 68 3.4.6.1 Traditional process 68 3.4.6.2 Hot dehulling process 69 3.5 Preparation and pressing of rapeseed (canola) 69 3.5.1 Preparation 70 3.5.2 Cooking 71 3.5.3 Mechanical pressing 71 3.5.4 Press oil clarification 75 3.5.5 Press cake treatment 76 3.6 Preparation and pressing of sunflower seed 77 3.7 Full pressing 78 3.7.1 Cold pressing 79 3.7.2 Double pressing 80 3.7.3 Cake treatment 80 3.8 Oil from other seeds 81 3.8.1 Cottonseed 81 3.8.2 Corn germ 82 3.8.3 Coconut or copra oil 83 3.8.4 Linseed (flaxseed) 83 3.8.5 Safflower 84 3.8.6 Peanut (groundnut) 85 3.8.7 Rice bran 86 3.8.8 Sesame seed 87 3.9 Olive oil production 87 3.9.1 Pressing 89 3.9.2 Centrifugation 90 3.9.3 Olive pomace extraction 90 3.10 Palm oil production 91 3.10.1 Before reaching the mill 92 3.10.2 Sterilisation 93 3.10.3 Threshing 93 3.10.4 Pressing 94 3.10.5 Crude oil clarification 94 3.10.6 Oil drying 94 3.10.7 Fibre fruit separation 95 3.10.8 Nut conditioning 95 3.10.9 Nut cracking installation 95 3.10.10 Kernel separation 95 3.10.11 Uses of secondary palm fruit products 95 3.10.11.1 Palm kernel meal 95 3.10.11.2 Fibres and shell 96 4 Solvent Extraction 97 Timothy G. Kemper 4.1 Introduction 97 4.2 Solvent extractor 99 4.2.1 Contact time 100 4.2.2 Particle thickness 101 4.2.3 Extractor temperature 102 4.2.4 Miscella flux rate 103 4.2.5 Number of miscella stages 105 4.2.6 Solvent retention 107 4.3 Meal desolventiser toaster 107 4.3.1 Predesolventising trays 108 4.3.2 Countercurrent trays 111 4.3.3 Sparge tray 111 4.4 Meal dryer cooler 114 4.4.1 Steam-drying trays 114 4.4.2 Air-drying trays 114 4.4.3 Air-cooling trays 116 4.5 Miscella distillation system 117 4.6 Solvent recovery system 119 4.7 Heat recovery 123 References 125 5 Edible Oil Refining: Current and Future Technologies 127 Wim De Greyt 5.1 Introduction 127 5.2 Next-generation chemical refining with nanoneutralisation 128 5.3 Enzymatic degumming: a missing link in the physical refining of soft oils? 131 5.4 Bleaching: from single-stage colour removal to multistage adsorptive purification 136 5.5 Deodorisation: much more than just a process for the removal of off-flavours 141 5.6 Short-path distillation and supercritical processing: refining technologies for the future? 148 References 150 6 Oil Modification Processes 153 Marc Kellens and Gijs Calliauw 6.1 Introduction 153 6.2 Hydrogenation 154 6.2.1 Historical perspective 154 6.2.2 Principle 155 6.2.3 Process parameters 157 6.2.3.1 Hydrogen pressure 157 6.2.3.2 Temperature 157 6.2.3.3 Catalyst 157 6.2.4 Process design 159 6.2.5 Future for hydrogenation technology 163 6.2.5.1 Smarter combinations of the conventional technology 163 6.2.5.2 Alternative catalysts 163 6.2.5.3 Advanced process technology 164 6.2.5.4 Summary 166 6.3 Interesterification 166 6.3.1 Historical perspective 166 6.3.2 Principle 167 6.3.3 Process parameters 169 6.3.3.1 Oil quality 169 6.3.3.2 Catalyst 169 6.3.3.3 Oil losses 170 6.3.4 Process design 171 6.3.4.1 Processed product quality 173 6.3.5 Future for interesterification technology 174 6.4 Dry fractionation 175 6.4.1 Historical perspective 176 6.4.2 Principle 177 6.4.3 Process parameters 180 6.4.3.1 Cooling speed 180 6.4.3.2 Agitation 183 6.4.4 Process design 183 6.4.4.1 Crystalliser design 183 6.4.4.2 Filter design 184 6.4.4.3 Plant design 185 6.4.5 Future for fractionation technology 188 6.4.5.1 Optimised crystalliser designs 188 6.4.5.2 High-pressure filtrations 189 6.4.5.3 Continuous fractional crystallisation 190 6.4.5.4 Alternative multistage processes for specialty fats production 191 6.4.6 Summary 195 References 195 7 Enzyme Processing 197 David Cowan 7.1 Introduction 197 7.1.1 Objectives of enzyme processing 198 7.2 Enzyme applications before oil refining 199 7.2.1 Enzyme-assisted pressing 199 7.2.2 Enzymatic degumming 200 7.2.3 Enzymatic degumming process (phospholipase A1) 202 7.2.4 Other phospholipases 205 7.2.5 Oil recovery from gums 205 7.2.6 Oil remediation 206 7.3 Applications within edible oil modification 208 7.3.1 Industrial-scale enzymatic interesterification 209 7.3.2 Factors influencing enzyme working life 211 7.3.3 Formulating with interesterified oils and fats 215 7.3.4 Enzyme reactions for speciality fats 216 7.3.5 Production of fats high in omega-3 fatty acids 217 7.4 Improving processing sustainability through enzyme usage 219 References 221 8 Application of Edible Oils 223 Arjen Bot and Eckhard Floter 8.1 Introduction 223 8.2 Physical chemistry of triacylglycerides 225 8.3 Fat crystal networks 228 8.4 Design of functional TAG compositions 229 8.5 Application in fat-continuous emulsions (spreads) 234 8.6 Application in water-continuous emulsions 237 8.6.1 Mayonnaise and dressings 237 8.6.2 Nondairy (fat) creams and spreads 238 8.6.3 Ice cream 239 8.7 Application in other fat-continuous products 241 8.7.1 Baking fats 241 8.7.2 Chocolate 242 8.8 Conclusion 245 References 246 9 Quality and Food Safety Assurance and Control 251 Mar Verhoeff and Gerrit van Duijn 9.1 Introduction 251 9.2 Analytical methods for measuring oil and fat composition 252 9.3 Quality analyses 252 9.3.1 Free fatty acids 252 9.3.2 Peroxides 254 9.3.3 Phosphorus 254 9.3.4 Moisture and dirt 255 9.3.5 Colour 256 9.3.6 Metals 256 9.3.7 Deterioration of Bleachability Index 256 9.3.8 Tocopherols 257 9.4 Supply chain contaminants 257 9.4.1 Polycyclic aromatic hydrocarbons 257 9.4.2 Pesticide residues 258 9.4.3 Hydrocarbons of mineral origin 259 9.4.4 Mycotoxins 260 9.4.5 Other contaminants 261 9.5 Quality and food safety assurance 261 9.5.1 Crude oil analyses 261 9.5.2 Crude oil risk matrix 262 9.5.3 Process validation contaminant removal 263 9.5.4 Oil processing link tables 263 9.5.5 Food safety control points 264 References 266 10 Oil Processing Design Basics 267 Gerrit van Duijn and Gerrit den Dekker 10.1 Introduction 267 10.2 Refining and modification process routes for most common oil types 268 10.2.1 Process step definitions 268 10.2.1.1 Degumming or water degumming (degummed) 268 10.2.1.2 Deep degumming (ddg) 268 10.2.1.3 Neutralisation (n) 269 10.2.1.4 One-step bleaching (osb) 269 10.2.1.5 Two-step bleaching (tsb) 269 10.2.1.6 Deodorisation (d) 269 10.2.1.7 Deodorisation/stripping (ds) 269 10.2.1.8 Hydrogenation (h) 269 10.2.1.9 Interesterification (ie) 270 10.2.1.10 Dewaxing/winterisation (wi) 270 10.2.1.11 Dry fractionation (df) 270 10.2.1.12 Soapstock splitting (ss) 270 10.2.2 Process routes for straight refined oils and fats 270 10.2.3 Process routes pre- and post-hydrogenation 272 10.2.4 Process routes pre- and post-IEC 273 10.2.5 Process routes pre- and post-IEE 274 10.2.6 Process routes in dry fractionation and dewaxing 274 10.3 Oil processing block diagram design 274 10.3.1 Standard oil processing block diagrams 274 10.3.2 Batch and continuous processes 275 10.3.2.1 Batch processes 276 10.3.2.2 Continuous processes 276 10.3.3 Refining of straight oils and fats 277 10.3.3.1 Chemical refining 277 10.3.3.2 Physical refining 278 10.3.4 Refining combined with hydrogenation 279 10.3.5 Refining combined with interesterification 279 10.3.6 Refining and dewaxing 281 10.3.7 Refining and fractionation 281 10.3.8 Production of trans-free hard fats 281 10.4 Effective equipment capacity 283 10.4.1 Example: calculation of effective times for 5- and 7-days-a-week operations 285 10.4.1.1 5 days a week 285 10.4.1.2 7 days a week 285 10.5 Tank park design rules 285 10.5.1 Storage capacity 285 10.5.2 Degradation during storage 286 10.5.2.1 Hydrolysis 287 10.5.2.2 Oxidation 287 10.5.2.3 Intermixing with other oils 288 10.5.2.4 Contamination by chemicals or impurities 288 10.5.3 Tank design rules 288 10.5.3.1 Tank shape and material of construction 288 10.5.3.2 Tank heating 290 10.5.3.3 Tank insulation 290 10.5.3.4 Avoiding air contact 290 10.5.4 Piping design rules 291 10.5.4.1 Materials 291 10.5.4.2 Insulation and heating 291 10.5.4.3 Layout 291 10.6 Design estimates for utilities consumptions and effluent production 291 10.6.1 Introduction 291 10.6.2 Utilities 292 10.6.2.1 Heating 292 10.6.2.2 Open steam and vacuum 294 10.6.2.3 Electrical energy 294 10.6.2.4 Cooling water 295 10.6.2.5 Gases 295 10.6.3 Effluent 296 10.6.3.1 Liquid effluent 296 10.6.3.2 Solid waste 296 10.6.3.3 Exhaust gases 298 10.6.4 Utility consumption and effluent data per process 298 10.6.4.1 Storage 298 10.6.4.2 Refining processes 299 10.6.4.3 Modification processes 301 10.7 Occupational safety by design 301 10.7.1 Introduction 301 10.7.2 General hazards 303 10.7.3 Main occupational hazards of oil refining 304 10.7.3.1 Neutralisation and soapsplitting 304 10.7.3.2 Autoignition of spent bleaching earth 305 10.7.3.3 Deodoriser safety 306 10.7.4 Main occupational hazards of oil modification 306 10.7.4.1 Hydrogenation safety hazards 306 10.7.4.2 Safety of IEC 308 10.7.5 Main occupational hazards of oil storage and handling 308 10.7.5.1 Access to tanks and processing vessels 308 10.7.5.2 Top access to tank cars 309 References 310 Further Reading 311 Index 313
Responsibility: [edited by] Wolf Hamm, Richard Hamilton and Gijs Calliauw.

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For people involved with edible oils, either directly or indirectly, this book is a most valuable source of up?-to?-date facts and views. It is therefore highly recommended. (European Journal of Read more...

 
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