Part 1 General: Searching and literature; Preparation of samples; Reporting results and reliability analyses. Part II Methods and instrumentations: Theory and spectroscopy; Visible and ultraviolet spectroscopy: Measurement of colour; Fluorimetry; Infrared spectroscopy; Flame photometry, atomic absorption, and inductively coupled plasmas; Y-ray methods; Potentiometry; Coulometry; Conductivity; Electrophoresis; Capillary zone electrophoresis; Nuclear magnetic resonance; Radioactivity, counting techniques, radioimmunoassays; Column chromatography, size exclusion and ion exchange; High-performance liquid chromatography; Gas-liquid chromatography; Extraction; Centrifugation; Densimetry; Refractometry and polarimetry; Rheology; Serology, immunochemistry and immunoelectrophoresis; Enzymatic methods; Thermal analysis of foods. Part III Applications and chemical composition: General remarks; Determination of moisture; Ash and minerals; Carbohydrates; Lipids; Nitrogenous compounds; Objective versus sensory evaluation of Foods.