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Vitamins in Animal and Human Nutrition contains concise,
up-to-date information on vitamin nutrition for both animals and
humans. The author defines these nutrients and describes their
fascinating discovery, history and relationship to various diseases
and deficiencies. Discussion of vitamins also includes their
chemical structure, properties and antagonists; analytical
procedures; metabolism; functions; requirements; sources;
supplementation and toxicity. Vitamin-like substances, essential
fatty acids and vitamin supplementation considerations are also
examined.
This book will be useful worldwide as a textbook and as an
authoritative reference for research and extension specialists,
feed manufacturers, teachers, students and others. It provides a
well-balanced approach to both animal and clinical human nutrition
and compares chemical, metabolic and functional aspects of vitamins
and their practical and applied considerations. A unique feature of
the book is its description of the implications of vitamin
deficiencies and excesses and the conditions that might occur in
human and various animal species.
Autorentext
Lee Russell McDowell is the author of Vitamins in Animal and Human Nutrition, 2nd Edition, published by Wiley.
Zusammenfassung
Vitamins in Animal and Human Nutrition contains concise, up-to-date information on vitamin nutrition for both animals and humans. The author defines these nutrients and describes their fascinating discovery, history and relationship to various diseases and deficiencies. Discussion of vitamins also includes their chemical structure, properties and antagonists; analytical procedures; metabolism; functions; requirements; sources; supplementation and toxicity. Vitamin-like substances, essential fatty acids and vitamin supplementation considerations are also examined.
This book will be useful worldwide as a textbook and as an authoritative reference for research and extension specialists, feed manufacturers, teachers, students and others. It provides a well-balanced approach to both animal and clinical human nutrition and compares chemical, metabolic and functional aspects of vitamins and their practical and applied considerations. A unique feature of the book is its description of the implications of vitamin deficiencies and excesses and the conditions that might occur in human and various animal species.
Inhalt
Preface xv
1. Introduction and Historical Considerations
Definition of Vitamins 3
Classification of Vitamins 4
Vitamin Nomenclature 5
Vitamin Requirements 6
Vitamin Occurrence 7
History of the Vitamins 7
References 13
2. Vitamin A
Introduction 15
History 16
Chemical Structure and Properties 18
Analytical Procedures 21
Metabolism 22
Functions 28
Requirements 39
Natural Sources 43
Deficiency 48
Supplementation 69
B-Carotene Function Independent of Vitamin A 75
Toxicity 78
References 82
3. Vitamin D
Introduction 91
History 91
Chemical Structure Properties and Antagonists 94
Analytical Procedures 95
Metabolism 97
Functions 103
Requirements 111
Natural Sources 115
Deficiency 117
Supplementation 134
Toxicity 140
References 147
4. Vitamin E
Introduction 155
History 155
Chemical Structure and Properties 157
Analytical Procedures 160
Metabolism 161
Functions 164
Requirements 170
Natural Sources 174
Deficiency 178
Supplementation 207
Toxicity 216
References 217
5. Vitamin K
Introduction 227
History 227
Chemical Structure Properties and Antagonists 229
Analytical Procedures 231
Metabolism 232
Functions 235
Requirements 239
Natural Sources 242
Deficiency 244
Supplementation 254
Toxicity 258
References 259
6. Thiamin
Introduction 265
History 265
Chemical Structure Properties and Antagonists 267
Analytical Procedures 269
Metabolism 269
Functions 271
Requirements 274
Natural Sources 278
Deficiency 280
Supplementation 301
Toxicity 305
References 305
7. Riboflavin
Introduction 311
History 311
Chemical Structure Properties and Antagonists 312
Analytical Procedures 314
Metabolism 315
Functions 317
Requirements 321
Natural Sources 324
Deficiency 326
Supplementation 340
Toxicity 342
References 342
8. Niacin
Introduction 347
History 347
Chemical Structure Properties and Antagonists 350
Analytical Procedures 350
Metabolism 351
Functions 355
Requirements 357
Natural Sources 360
Deficiency 362
Supplementation 376
Toxicity 379
References 380
9. Vitamin B6
Introduction 385
History 385
Chemical Structure Properties and Antagonists 386
Analytical Procedures 388
Metabolism 389
Functions 391
Requirements 394
Natural Sources 397
Deficiency 399
Supplementation 409
Toxicity 412
References 413
10. Pantothenic Acid
Introduction 419
History 419
Chemical Structure Properties and Antagonists 420
Analytical Procedures 422
Metabolism 423
Functions 424
Requirements 426
Natural Sources 429
Deficiency 430
Supplementation 439 <p&g...