chapter  15
36 Pages

Vitamins

ByAMPARO ALEGRÍA, REYES BARBERÁ, MARÍA JESÚS LAGARDA, AND ROSAURA FARRÉ

Contents 15.1 Introduction ................................................................................................................. 292 15.2 Fat-Soluble Vitamins .................................................................................................... 292

15.2.1 Extraction ....................................................................................................... 292 15.2.1.1 Supercritical Fluid Extraction in Fat-Soluble Vitamin

Determination in Processed Meat and Poultry ................................ 298 15.2.2 Purifi cation ..................................................................................................... 303 15.2.3 Liquid Chromatography.................................................................................. 304 15.2.4 Gas Chromatography ...................................................................................... 305 15.2.5 Supercritical Fluid Chromatography ............................................................... 305

15.3 Water-Soluble Vitamins ................................................................................................ 305 15.3.1 Th iamine (Vitamin B1) .................................................................................... 305 15.3.2 Ribofl avin (Vitamin B2) ...................................................................................315 15.3.3 Vitamin B6 .......................................................................................................316 15.3.4 Vitamin B12 (Cyanocobalamin) ........................................................................316 15.3.5 Niacin (Vitamin B3) .........................................................................................317 15.3.6 Pantothenic Acid (Vitamin B5) .........................................................................318 15.3.7 Folate ...............................................................................................................319 15.3.8 Biotin ...............................................................................................................319 15.3.9 Vitamin C ........................................................................................................319