05409cam a2200205   4500001000500000005001700005008003900022010001700061020003300078082001700111100001900128245008700147260004700234300002900281490003900310504005100349505471700400650002705117830005905144747820181127183719.0050603s2006    flua     b    001 0 eng  a  2005049926  a1574448048 (hc : alk. paper)00a613.2/852221 aBall, G. F. M.10aVitamins in foods :banalysis, bioavailability, and stability /cGeorge F.M. Ball.  aBoca Raton, FL :bTaylor & Francis,c2006.  a785 p. :bill. ;c24 cm.1 aFood science and technology ;v156  aIncludes bibliographical references and index.  aPART I: PROPERTIES OF VITAMINS Nutritional Aspects of  Vitamins * Definition and Classification of Vitamins *  Nutritional Vitamin Deficiency * Vitamin Requirements *  Vitamin Enhancement of Foods * Stability of Vitamins *  References Intestinal Absorption and Bioavailability of  Vitamins: Introduction * General Principles of Solute  Translocation * Intestinal Absorption * Bioavailability *  References Vitamin A: Retinoids and the Provitamin A  Carotenoids * Background * Chemical Structure,  Biopotency, and Physicochemical * Properties * Vitamin A  in Foods * Intestinal Absorption, Metabolism, and  Transport * Bioavailability * b-Carotene Supplementation  Vitamin D * Background * Chemical Structure, Biopotency,  and Physiochemical Properties * Vitamin D in Foods *  Intestinal Absorption, Transport, and Metabolism *  Bioavailability * References Vitamin E * Background *  Chemical Structure, Biopotency, and Physiochemical  Properties * Vitamin E in Foods * Intestinal Absorption  and Transport * Bioavailability * Vitamin E Requirements  * References Vitamin K * Background * Chemical Structure,  Biopotency, and Physicochemical * Properties * Vitamin K  in Foods * Intestinal Absorption and Transport *  Bioavailability * References Thiamin (Vitamin B1) *  Background * Chemical Structure, Biopotency, and  Physicochemical * Properties * Thiamin in Foods *  Intestinal Absorption * Bioavailability * References  Flavins: Riboflavin, FMN, and FAD (Vitamin B2) *  Background * Chemical Structure, Biopotency, and *  Physicochemical Properties * Vitamin B2 in Foods *  Intestinal Absorption * Bioavailability * References  Niacin * Background * Chemical Structure, Biopotency, and  Physicochemical * Properties * Niacin in Foods *  Intestinal Absorption * Bioavailability * References  Vitamin B6 * Background * Chemical Structure, Biopotency,  and * Physicochemical Properties * Vitamin B6 in Foods *  Intestinal Absorption * Bioavailability * References  Pantothenic Acid * Background * Chemical Structure,  Biopotency, and * Physicochemical Properties *  Pantothenic Acid in Foods * Intestinal Absorption *  Bioavailability * References Biotin * Background *  Chemical Structure, Biopotency, and * Physicochemical  Properties * Biotin in Foods * Intestinal Absorption *  Bioavailability * References Folate * Background *  Chemical Structure, Biopotency, and * Physicochemical  Properties * Folate in Foods * Absorption, Transport, and  Metabolism * Bioavailability * References Vitamin B12  (Cobalamins) * Background * Chemical Structure,  Biopotency, and * Physicochemical Properties * Vitamin  B12 in Foods * Absorption and Conservation *  Bioavailability * References Vitamin C * Background *  Chemical Structure, Biopotency, and * Physicochemical  Properties * Vitamin C in Foods * Intestinal Absorption *  Bioavailability * References PART II ANALYTICAL  CONSIDERATIONS Analytical Considerations * Bioassays * In  Vitro Analytical Techniques * Analytical Approach *  Preparation of Sample Extracts for Analysis * Method  Evaluation * References Extraction Techniques for the  Water-Soluble Vitamins * Vitamin B1 * Vitamin B2 * Niacin  * Vitamin B6 * Pantothenic Acid * Biotin * Folate *  Vitamin B12 * Vitamin C * References Microbiological  Methods for the Determination of the B-Group Vitamins *  Introduction * General Principles * Conventional  Turbidimetric Method Using Test Tubes * Turbidimetric  Method Using Microtiter Plates * Assays of Individual B- Group Vitamins * References Physicochemical Analytical  Techniques (Excluding HPLC) * AOAC Titrimetric Method for  Vitamin C * Direct Spectrophotometric Determination of *  Vitamin C * Colorimetric Methods for Niacin and Vitamin C  * Fluorometric Methods for Thiamin, Riboflavin, * Vitamin  B6, and Vitamin C * Enzymatic Methods for Nicotinic Acid  and Ascorbic Acid * Continuous-Flow Analysis * Gas  Chromatography * Supercritical Fluid Chromatography *  Capillary Electrophoresis * References Determination of  the Fat-Soluble Vitamins by HPLC * Nature of the Sample *  Extraction Procedures * Cleanup Procedures * HPLC Systems  * Applications of HPLC * References Determination of the  Water-Soluble Vitamins by HPLC * HPLC Systems *  Applications of HPLC * References Biospecific Methods for  Some of the B-Group Vitamins * Introduction *  Immunoassays * Protein-Binding Assays * Biomolecular  Interaction Analysis Summarized Appraisal of Analytical  Techniques * Microbiological Assays * High-Performance  Liquid Chromatography * Supercritical Fluid  Chromatography * Capillary Electrophoresis * Flow- Injection Analysis * Biospecific Methods * Evaluation of  Vitamin Bioavailability From Food Analysis Data *  Referencesgrt 0aFoodxVitamin content. 0aFood science and technology (Taylor & Francis) ;v156.