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Happy Thanksgiving |
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FST 601 Food Chemistry and Analyses
LECTURE TOPICS DESCRIPTION Introduction: Definition of food, major components of food. Analytical Chemistry: Principles & applications of liquid, gas, paper and thin layer chromatographs, Principles & applications of spectrophotometer and fluorometer, introduction to spectrum, Beer-Lambert's Law, absorbance, and polarimeter. Physical States of Food: Dispersions, true solution, colloidals, emulsions, foam and gel, factors affecting stable dispersion of food ingredients, functions of emulsifiers and stabilizers. Water: Functions of water in food systems, hydrogen bonds, permanent dipole moment dielectric constant, theories of solvent action, water activity and food stability, sorption isotherm curve, roles of water in physical properties and chemical reactions in food, theories and applications of different moisture determination methods. Protein: Classification, nomenclature, and structures of aminoacids, basic properties of protein, structure of proteins, protein functional groups and their chemical, hydrophobic, and hydrophobic properties, isoelectric point and solubility as a function of pH, protein denaturation and its effects on food systems, nutritional quality of protein, theories & applications of analytical methods for protein and amino acids determination. Carbohydrates: Classification, nomenclature, and structures of carbohydrates, isomers and absolute configurations of carbohydrates, physical-chemical properties of carbohydrates, sweetness of carbohydrates, Functions of carbohydrates in foods, chemical reactions of carbohydrates, analytical methods for carbohydrate determination. Lipids: Nomenclature and structures of fatty acids, classifications of lipids, physical and chemical characteristics of different fats, relationship between chemical structure and fat melting properties, analytical methods for determining different physical and chemical characteristics of fat, lipid oxidation mechanisms, principles and applications of analytical methods for the determination of fat content and fatty acid compositions of foods Minerals: Ash determination methods, principles and applications of different methods for determining individual minerals - atomic absorption and flame spectrometries, and chemical methods. Vitamins: Water soluble and fat soluble vitamins, chemical reactions and losses of vitamins during processing and storage. principles and techniques for the determination
REFERENCES Adams, C., 1975. Nutritive Value of American Foods. USDA, Washington, D.C. Association of Official Analytical Chemists (AOAC), 1985. Official Methods of Analysis. 13th Ed. Assn. of Official Analytical Chemists, Washington, D.C. Aurand, L.A. and A.E. Woods, 1973. Food Chemista. AVI, Westport, CT. Eskin, N.A., H.M. Henderson, and R.J. Townsend, 1971. Biochemistry of Foods. Academic Press, New York & London. Federal & State Standards for the Three Compgsition of Milk Products. 1977. USDA. Washington, D.C. Fennema, 0. 1996. Food Chemistry, Marcel Dekker, N.Y., NY. Garard, 1., 1976. Introducto[y Food Chemi-qM. AVI, Westport, CT. Kennedy, J. H.,1984. Analytical Chem istry- Principles. Harcourt Brace Jovanovich, London, England. Kirkland, J.J., 1995. Modern Practices of Liquid Chromatography. Wiley Interscience, NY. Kolthoff, I.M., E.B. Sandell, E.J. Meehand, and S. Buikenstein, 1979. Quantitative Chemical Analysis. MacMillan Co., London. Kramer, A. and B.A. Twigg, 1973. Quality Control for the Food Industry-. Vol. 2 -Applications. AVI, Westport, CT. Lee, F., 1975. Basic Food Chemistry. AVI, Westport, CT. Lees, R., 1971. LaboratoU Handbook of Methods of Food Analysis. CRC Press, Cleveland, Ohio. Min, D.B. and T.H. Smouse, 1989. Flavor Chemistry of Lipid Foods, Am. Oil Chem. Soc., Champaign, IL. Newlander, J.A. and H.V. Atherton, 1977. The Chemistry and Testing of Dairy Products. 4th Ed., Olsen Publishing Co., Milwaukee, Wl. Pomeranz, Y. and B. Meloan, 1986. Food Analysis: Theoly & Practice. AVI, Westport, CT. Skoog, D. and D. West, 1976. Principles of Instrumental Analysis. Holt, Reinhart & Winston, NY. |