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References: The Molecules of Food

  1. Macromolecule - Wikipedia - Overview of the four classes of biological macromolecules — carbohydrates, proteins, lipids, and nucleic acids — with structural diagrams and food relevance. Core foundation for this chapter.

  2. Carbohydrate - Wikipedia - Detailed coverage of monosaccharides, disaccharides, and polysaccharides including starch, cellulose, and glycogen. Explains glycosidic bonds and why structure determines digestibility.

  3. Protein - Wikipedia - Comprehensive article on amino acid structure, peptide bonds, protein folding, and the four levels of protein structure. Explains how protein shape determines function in food.

  4. Food Chemistry (4th Edition) - H.-D. Belitz, W. Grosch, P. Schieberle - Springer - The gold-standard reference on food chemistry; chapters on carbohydrates, proteins, and lipids provide rigorous molecular explanations for every transformation covered in this course.

  5. Biochemistry (8th Edition) - Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr. - W. H. Freeman - Standard undergraduate biochemistry text; chapters on amino acids, carbohydrate structure, and lipid chemistry provide the molecular-level detail supporting this chapter.

  6. Khan Academy: Biological Macromolecules - Khan Academy - Free video lessons and practice on all four macromolecule classes with clear structural diagrams and monomer-polymer animations. Excellent for visual learners.

  7. CK-12: Proteins - CK-12 Foundation - Free adaptive textbook chapter on protein structure and function with interactive diagrams; reading level matched to high school students.

  8. Lumen Learning: Biological Macromolecules - Lumen Learning - Open-access college biology module with clear explanations of carbohydrate, protein, and lipid chemistry including functional group identification.

  9. USDA FoodData Central - USDA - Comprehensive nutritional database for thousands of foods; students can look up macronutrient and micronutrient content of specific foods to apply molecular concepts to real examples.

  10. Water Activity and Food Safety - Institute of Food Technologists - Explains the concept of water activity (aw) and how it determines food preservation and safety; connects Chapter 2 water chemistry to food shelf life.