Content: Overview on the chemical deteriorative changes of proteins and their consequences / Robert E. Feeney --
Posttranslational chemical modification of proteins / Rosa Uy and Finn Wold --
Chemical changes in elastin as a function of maturation / Robert B. Rucker and Michael Lefevre --
Photooxidative damage to mammalian cells and proteins by visible light / L. Packer and E.W. Kellogg, III --
Chemical deterioration of muscle proteins during frozen storage / Juichiro J. Matsumoto --
Preservation of enzymes by conjugation with dextran / J. John Marshall --
Changes occuring in proteins in alkaline solution / John R. Whitaker --
Amino acid racemization in alkali-treated food proteins : chemistry, toxicology, and nutritional consequences / Patricia M. Masters and Mendel Friedman --
Deterioration of food proteins by binding unwanted compounds such as flavors, lipids and pigments / Soichi Arai --
Deteriorative changes of proteins during soybean food processing and their use in foods / Danji Fukushima --
Suicide enzyme inactivators / Brian W. Metcalf.
Author(s): John R. Whitaker and Masao Fujimaki (Eds.)
Series: ACS Symposium Series 123
Publisher: American Chemical Society
Year: 1980
Language: English
Pages: 270
City: Washington
Title Page......Page 1
Half Title Page......Page 3
Copyright......Page 4
ACS Symposium Series......Page 5
FOREWORD......Page 6
PdftkEmptyString......Page 0
PREFACE......Page 7
1 Overview on the Chemical Deteriorative Changes of Proteins and Their Consequences......Page 9
Denaturation......Page 10
Chemical Reactions of Amino Acids of Concern in Deteriorations......Page 14
Deteriorative Reactions Involving Lysine......Page 20
Effects of Alkali on Proteins......Page 24
Photooxidation Reactions......Page 29
Undesirable Chemical Products Formed in the Processing of Foods and Feeds......Page 32
Active Site Selective Reagents - Naturally Occurring Toxins and Laboratory Tools......Page 34
Chemical Deteriorations to Purposely Derivatize Proteins......Page 36
Reversal of Protein Deteriorations......Page 42
Detection and Determination of Deteriorated Proteins......Page 45
Some Particular Areas for Future Investigations on Protein Deteriorations......Page 50
Literature Cited......Page 52
2 Posttranslational Chemical Modification of Proteins......Page 56
Modification of N- and C-Terminal Amino Acid Residues......Page 59
Modification of Amino Acid Side Chains......Page 61
Modification by Non-Enzymatic Reactions......Page 65
Literature Cited......Page 68
3 Chemical Changes in Elastin as a Function of Maturation......Page 70
Models for Elastin and Elasticity......Page 71
Biosynthesis of Elastin......Page 72
Formation of Stable Elastin Fibrils......Page 78
The Elastic Fiber; Alterations During Maturation......Page 82
Concluding Remarks......Page 87
LITERATURE CITED......Page 88
4 Photooxidative Damage to Mammalian Cells and Proteins by Visible Light......Page 90
Results......Page 93
Discussion......Page 98
References......Page 99
5 Chemical Deterioration of Muscle Proteins During Frozen Storage......Page 101
Structure and Composition of Muscle......Page 102
Properties of muscle proteins.......Page 103
Freeze denaturation of muscle proteins......Page 104
Effect of cryoprotective agents......Page 115
Mechanism of freeze denaturation and cryoprotective effect......Page 117
Aggregation of myosin and LMM.......Page 118
Cryoprotectants as water structure modifiers......Page 121
Literature Cited......Page 123
Synthesis of Soluble Dextran-Enzyme Conjugates......Page 131
Properties of Synthetic Dextran-Enzyme Conjugates......Page 135
Discussion......Page 145
References......Page 148
7 Changes Occuring in Proteins in Alkaline Solution......Page 150
Reactions in Alkaline Solution......Page 151
Significance and application of alkali treatment of proteins......Page 164
Literature Cited......Page 165
8 Amino Acid Racemization in Alkali-Treated Food Proteins—Chemistry, Toxicology, and Nutritional Consequences......Page 169
Experimental......Page 170
Results and Discussion......Page 173
Acknowledgement......Page 188
Appendix First Order Kinetic Equations for Reversible Amino Acid Racemization......Page 189
Literature Cited......Page 191
Interaction of Proteins with Flavors......Page 199
Interaction of Protein with Lipids......Page 204
Interaction of Proteins with Pigments and Related Compounds......Page 206
Discussion......Page 210
Literature Cited......Page 211
Deteriorative Changes of Soybean Protein During Drying and Their Use in Foods......Page 214
Deteriorative Changes of Soybean Protein After Freezing and Their Use for Foods......Page 222
Reversible and Irreversible Insolubilization of Soybean Protein and Their Use for Foods......Page 230
Effect of Deteriorative Changes of Soybean Protein During Heating on Enzyme Digestibility......Page 237
Literature Cited......Page 242
11 Suicide Enzyme Inactivators......Page 244
Acknowledgments......Page 254
Literature Cited......Page 255
A......Page 257
C......Page 258
D......Page 260
E......Page 261
F......Page 262
I......Page 263
L......Page 264
N......Page 265
P......Page 266
R......Page 268
T......Page 269
V......Page 270
