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Cover image for Introducing food science
Title:
Introducing food science
Personal Author:
Publication Information:
Boca Raton : CRC Press, c2009
Physical Description:
xvii, 363 p. : ill. ; 24 cm.
ISBN:
9781587160288

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Item Category 1
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30000010270341 TP370 S424 2009 Open Access Book Book
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Summary

Summary

As daily consumers of foods and beverages, everyone has opinions and interests about their diet choices. However, many questions about food are often non-technical and, therefore, defy technical answers. Introducing Food Science addresses a range of food issues facing today's consumer, proceeding from a general and student-friendly discussion to an in-depth technical overview of the basic principles of food science.

This authoritative textbook starts by addressing food issues in the news, from disease outbreaks to the health benefits and detriments associated with international trade. It then outlines the basic principles of food manufacturing and processing techniques with a strong emphasis on unit operations.

With the aid of flowcharts, photographs, and thought-provoking questions, the text assesses the importance of labeling and nutritional information and describes the requirements for providing consumers with the wealth of food options available on grocery store shelves. The book then demonstrates the importance of regulations in ensuring a healthy and safe food supply and culminates with an introduction to the basic scientific underpinnings of food science.

Introducing Food Scienceemphasizes the separation of what is known from what is unknown about food issues and then determines how those issues can be reformulated into testable hypotheses. Unlike other food science references, it conveys both commercial and scientific perspectives, providing a true flavor of food science.

About the Author:

Dr. Robert Shewfeltis the Josiah Meigs Distinguished Teaching Professor of Food Science and Technology at the University of Georgia. He advises more than 50 students and has taught 11 different courses in the past two years ranging from Freshman Seminars in Chocolate Science and Coffee Technology to graduate-level courses in Food Research & the Scientific Method. Dr. Shewfelt was also the 2006 recipient of the Cruess Award for Excellence in Teaching of IFT.


Author Notes

Introducing Food Science emphasizes the separation of what is known from what is unknown about food issues and then determines how those issues can be reformulated into testable hypotheses. Unlike other food science references, it conveys both commercial and scientific perspectives, providing a true flavor of food science.


Reviews 1

Choice Review

Shewfelt (emer., Univ. of Georgia) has teamed with Orta-Ramirez (Cornell Univ.) and Clarke (Univ. of Missouri, Columbia) to produce this new edition (1st ed., 2009). The book, appropriate as an introductory textbook, contains much information for this interdisciplinary field, covering nutrition, chemistry, microbiology, and food engineering topics. However, there are mistakes. For example, in chapter 11, "Food Chemistry," the section on carbohydrates has a figure showing trehalose incorrectly identified as a trisaccharide (it is a disaccharide). Also, considering the amount of nutritional misinformation that is commonly and currently available, the inclusion of more data on nutritional deficiency diseases, particularly vitamin deficiencies, would have been helpful. The book does not mention that vitamin B12 can be lacking in vegetarian diets because it is present only in meats or that it is not absorbed well by older people. Similarly, although frequently helpful, the definitions in the glossary are sometimes questionable (e.g., artificial colorant). Furthermore, despite the volume's readability and amount of material covered, the authors could have presented a broader view on certain topics. The interesting discussion of consumer responsibility regarding sustainability issues could have been extended to include consumer education on food additives, such as synthetic coloring agents. This is important because some negative health effects have been associated with certain artificial food dyes. Summing Up: Recommended. With reservations. Lower- and upper-division undergraduates and two-year technical program students. --Miriam Rossi, Vassar College


Table of Contents

Rakesh K. Singh and Robert L. Shewfelt
Prefacep. xv
Acknowledgmentsp. xix
About the Authorp. xxi
Section I Food issues in the news
Chapter 1 Food safety

p. 3

Food in the newsp. 4
Unsafe foodsp. 5
Microbial hazardsp. 6
Spoiled: When good food goes badp. 8
Food poisoningp. 8
Tracking down the culpritsp. 9
Expiration datesp. 11
Food preservationp. 11
Preservativesp. 12
Safety of the American food supplyp. 12
Safety in the homep. 14
Pesticides and other contaminantsp. 16
Natural toxinsp. 17
Allergies and food sensitivitiesp. 18
Government regulationp. 19
Remember this!p. 21
Looking aheadp. 21
Answers to chapter questionsp. 22
Referencesp. 23
Further readingp. 23
Chapter 2 Healthiness of foodsp. 25
Looking backp. 26
Healthy and unhealthy foodsp. 26
Weight loss without painp. 27
Cutting down on carbs and stocking up on proteinp. 27
Fake fatsp. 31
Natural, organic, and whole foodsp. 33
Food and diseasep. 36
Dietary supplements, nutraceuticals, and functional foodsp. 39
Enhancing athletic performancep. 40
Fastingp. 41
Eating disordersp. 42
Food fads and their consequencesp. 43
Six glasses a dayp. 45
Energy from foodsp. 46
Reading the labelp. 47
Designing a healthy productp. 51
Remember this!p. 52
Looking aheadp. 53
Answers to chapter questionsp. 53
Referencesp. 53
Further readingp. 53
Chapter 3 Choosing the food we eatp. 55
Looking backp. 56
Food choicep. 56
Safetyp. 56
Healthp. 57
Weight lossp. 60
Weight gainp. 62
Social factorsp. 63
Religious influencesp. 64
Ethnicityp. 65
Family traditionsp. 66
Advertisingp. 67
Time and trendsp. 68
Economicsp. 70
Personal philosophyp. 70
Sensory propertiesp. 70
Conveniencep. 71
Pathogenic eatingp. 72
Meal patterns around the worldp. 73
Selecting healthy foodsp. 76
Remember this!p. 77
Looking aheadp. 77
Answers to chapter questionsp. 78
Referencesp. 78
Further readingp. 78
Section II Commercial food products
Chapter 4 Processed foods

p. 83

Looking backp. 84
What are processed foods and why are they processed?p. 84
Benefits of processingp. 85
Processing stepsp. 86
Types of food processesp. 87
Heatingp. 87
Freezingp. 89
Dryingp. 90
Concentratingp. 92
Curingp. 93
Millingp. 93
Extractingp. 94
Fermentingp. 95
Irradiatingp. 96
Nonthermal processingp. 97
Other important operationsp. 98
Consequences of processingp. 100
Shelf lifep. 100
Nutritionp. 101
Qualityp. 104
Safetyp. 105
Packaging considerationsp. 105
Remember this!p. 106
Looking aheadp. 107
Answers to chapter questionsp. 107
Referencesp. 107
Further readingp. 108
Chapter 5 Formulated foodsp. 109
Looking backp. 110
What are formulated foods and why are they formulated?p. 110
Benefits and consequencesp. 111
Formulation stepsp. 112
Formulated productsp. 112
Baked goodsp. 112
Pasta and noodlesp. 114
Jams and jelliesp. 116
Beveragesp. 116
Confectionsp. 118
Sausagesp. 119
Frozen desserts and entréesp. 121
Functional foodsp. 121
Types of ingredients and their functionsp. 125
Flours and grainsp. 125
Fruits and vegetablesp. 127
Dairy and eggsp. 127
Plant proteinsp. 128
Fats and oilsp. 128
Sweetenersp. 129
Fat replacersp. 130
Flavors and colorsp. 131
Stabilizersp. 132
Preservativesp. 133
Remember this!p. 134
Looking aheadp. 134
Answers to chapter questionsp. 135
Referencesp. 135
Further readingp. 135
Chapter 6 Chilled and prepared foodsp. 137
Looking backp. 138
What are chilled and prepared foods and why are they necessary?p. 138
Distributionp. 139
Chilled foodsp. 139
Whole fresh fruits and vegetablesp. 139
Packaged salad vegetables and cut fruitsp. 140
Fresh meatsp. 141
Fresh fish and seafoodp. 142
Deli meatsp. 142
Fluid milk and soy alternativesp. 146
Spreadsp. 147
Prepared foodsp. 148
Salads and sandwichesp. 148
Pasta productsp. 149
Prepared entréesp. 150
Food servicep. 151
Casual dining restaurantsp. 151
Cafeteriap. 151
Fast foodsp. 153
Cateringp. 154
Vending machinesp. 155
Remember this!p. 156
Looking aheadp. 156
Referencesp. 157
Further readingp. 157
Section III Functions of food scientists
Chapter 7 Quality assurancep. 161
Looking backp. 162
What is quality and why does anybody care?p. 164
Quality characteristicsp. 164
Measuring qualityp. 166
Evolution of quality managementp. 170
Quality controlp. 171
Quality assurancep. 172
Quality managementp. 172
Statistical process controlp. 174
Hazard analysis and critical control pointp. 174
Sanitationp. 175
Consumer acceptabilityp. 178
Remember this!p. 179
Looking aheadp. 180
Referencesp. 180
Further readingp. 180
Chapter 8 Product and process developmentp. 183
Looking backp. 184
The proliferation of food productsp. 185
Generating new food product ideasp. 186
Improving existing productsp. 188
Brand new productsp. 189
Reality checkp. 193
Food formulationp. 195
Process operationsp. 198
Quality evaluationp. 200
Storage stabilityp. 201
Package developmentp. 203
Package labelsp. 205
Scaling up and consumer testingp. 207
Market testingp. 208
Product launchp. 208
Success or failurep. 209
Remember this!p. 210
Looking aheadp. 211
Referencesp. 211
Further readingp. 211
Chapter 9 Government regulation and basic researchp. 213
Looking backp. 214
Government regulationp. 214
On the farmp. 215
Food manufacturing plantsp. 216
Product labelsp. 218
Packagingp. 220
Product recallsp. 220
Transportation, distribution, purchase, and consumptionp. 221
Basic researchp. 221
Fundamental physical and chemical propertiesp. 222
Microbiologyp. 225
Molecular biologyp. 226
Nutritional propertiesp. 226
Postharvest physiologyp. 227
Food processingp. 228
Toxicologyp. 229
Nanotechnology and other frontiersp. 229
Remember this!p. 230
Looking aheadp. 231
Answers to chapter questionsp. 231
Referencesp. 231
Further readingp. 232
Section IV Scientific principles
Chapter 10 Food chemistryp. 237
Looking backp. 238
Food chemistryp. 238
Chemicals in different types of foodp. 239
Plant tissuesp. 240
Animal tissuesp. 242
Formulated foodsp. 243
Types of chemicals in foodp. 244
Toxic compoundsp. 244
Preservatives and other food additivesp. 244
Colors and flavorsp. 246
Vitamins and mineralsp. 249
Carbohydratesp. 251
Lipidsp. 253
Proteinsp. 255
Enzymesp. 257
Waterp. 258
Dispersionsp. 259
Food chemistry as an integral part of food sciencep. 261
Remember this!p. 262
Looking aheadp. 263
Referencesp. 263
Further readingp. 263
Chapter 11 Nutritionp. 265
Looking backp. 265
Nutrients in foodsp. 266
Proteinsp. 267
Lipidsp. 268
Carbohydratesp. 270
Vitamins and mineralsp. 271
Electrolytesp. 272
Alcoholp. 273
Nutrient composition of foodsp. 274
Grainsp. 274
Vegetablesp. 274
Fruitsp. 275
Milkp. 275
Meat and beansp. 276
Oilsp. 276
Processed, formulated, chilled, and prepared foodsp. 277
Digestion and intermediary metabolismp. 279
Nutritional deficiency diseasesp. 281
Antioxidants, supplements, and antinutrientsp. 281
Remember this!p. 283
Looking aheadp. 284
Referencesp. 284
Further readingp. 284
Chapter 12 Food microbiology and biological properties of foodsp. 285
Looking backp. 286
Food microbiologyp. 286
Types of microorganisms in our foodsp. 287
Microbial geneticsp. 288
Cell physiology and reproductionp. 289
Sources of microbial contaminationp. 290
Environmental conditions affecting microbial growthp. 292
Food compositional factors affecting microbial growthp. 292
Fermenting microorganismsp. 294
Spoilage microorganismsp. 296
Pathogenic microorganismsp. 298
Epidemiologyp. 300
Controlling microorganisms in foodp. 301
Biological properties of foodsp. 302
Postharvest physiology of fresh fruits and vegetablesp. 303
Physiology of muscle foodsp. 305
Remember this!p. 305
Looking aheadp. 306
Further readingp. 306
Chapter 13 Food engineeringp. 307
Looking backp. 307
Engineering principlesp. 308
Mass balancep. 308
Energy balancep. 309
Heat transferp. 310
Mass transferp. 312
Rheologyp. 313
Water managementp. 316
Energy use in food processing plantsp. 319
Handling processing wastesp. 320
Remember this!p. 323
Looking aheadp. 323
Referencesp. 323
Further readingp. 323
Chapter 14 Sensory evaluationp. 325
Looking backp. 325
Sensory quality of foodsp. 326
Sensory perception and physiological responsep. 326
Color and appearancep. 327
Flavorp. 329
Texturep. 331
Sensory testsp. 332
Difference testsp. 333
Thresholdsp. 335
Sensory descriptive analysisp. 336
Integrating sensory and physicochemical testsp. 336
Consumer testingp. 338
Integrating sensory and consumer testsp. 339
Remember this!p. 340
Answers to chapter questionsp. 340
Referencesp. 340
Further readingp. 341
Indexp. 343
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