Dietary Tannins and Salivary Proline-Rich Proteins: Interactions, Induction, and Defense Mechanisms

INTRODUCTION 424 TANNINS 424 Chemistry 425 Condensed Tannins ....... . ..... ... ... 426 Hydrolyzable -Tannins ... 426 Assays 426 Biological Roles and Dietary Ef ects 428 Interactions of Tannins and Proteins 430 PROLINE-RICH PROTEINS 432 Background 432 Molecular Biology 433 Functional Aspects 433 SUMMARY AND FUTURE CONSIDERATIONS 435